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Kumar P, Cabaj MK, Pazio A, Dominiak PM. Protonated nucleobases are not fully ionized in their chloride salt crystals and form metastable base pairs further stabilized by the surrounding anions. IUCRJ 2018; 5:449-469. [PMID: 30002846 PMCID: PMC6038959 DOI: 10.1107/s2052252518006346] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Accepted: 04/25/2018] [Indexed: 06/08/2023]
Abstract
This paper presents experimental charge-density studies of cytosinium chloride, adeninium chloride hemihydrate and guaninium dichloride crystals based on ultra-high-resolution X-ray diffraction data and extensive theoretical calculations. The results confirm that the cohesive energies of the studied systems are dominated by contributions from intermolecular electrostatic interactions, as expected for ionic crystals. Electrostatic interaction energies (Ees) usually constitute 95% of the total interaction energy. The Ees energies in this study were several times larger in absolute value when compared, for example, with dimers of neutral nucleobases. However, they were not as large as some theoretical calculations have predicted. This was because the molecules appeared not to be fully ionized in the studied crystals. Apart from charge transfer from chlorine to the protonated nucleobases, small but visible charge redistribution within the nucleobase cations was observed. Some dimers of singly protonated bases in the studied crystals, namely a cytosinium-cytosinium trans sugar/sugar edge pair and an adeninium-adeninium trans Hoogsteen/Hoogsteen edge pair, exhibited attractive interactions (negative values of Ees) or unusually low repulsion despite identical molecular charges. The pairs are metastable as a result of strong hydrogen bonding between bases which overcompensates the overall cation-cation repulsion, the latter being weakened due to charge transfer and molecular charge-density polarization.
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Affiliation(s)
- Prashant Kumar
- Biological and Chemical Research Center, Department of Chemistry, University of Warsaw, ul. Żwirki i Wigury 101, Warszawa 02-089, Poland
| | - Malgorzata Katarzyna Cabaj
- Biological and Chemical Research Center, Department of Chemistry, University of Warsaw, ul. Żwirki i Wigury 101, Warszawa 02-089, Poland
| | - Aleksandra Pazio
- Biological and Chemical Research Center, Department of Chemistry, University of Warsaw, ul. Żwirki i Wigury 101, Warszawa 02-089, Poland
| | - Paulina Maria Dominiak
- Biological and Chemical Research Center, Department of Chemistry, University of Warsaw, ul. Żwirki i Wigury 101, Warszawa 02-089, Poland
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152
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fac-Re(CO)3-based organometallic supramolecular coordination complexes using thiophene motif decorated flexible ditopic benzimidazolyl donor. J Organomet Chem 2018. [DOI: 10.1016/j.jorganchem.2018.04.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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153
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Ortolan AO, Øestrøm I, Caramori GF, Parreira RLT, Muñoz-Castro A, Bickelhaupt FM. Anion Recognition by Organometallic Calixarenes: Analysis from Relativistic DFT Calculations. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00292] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Alexandre O. Ortolan
- Departamento de Química, Universidade Federal de Santa Catarina, Campus Universitário Trindade, CP 476, Florianópolis, SC, 88040-900, Brazil
| | - Ina Øestrøm
- Departamento de Química, Universidade Federal de Santa Catarina, Campus Universitário Trindade, CP 476, Florianópolis, SC, 88040-900, Brazil
| | - Giovanni F. Caramori
- Departamento de Química, Universidade Federal de Santa Catarina, Campus Universitário Trindade, CP 476, Florianópolis, SC, 88040-900, Brazil
| | - Renato L. T. Parreira
- Núcleo de Pesquisas em Ciências Exatas e Tecnológicas, Universidade de Franca, 14404-600, Franca, SP, Brazil
| | - Alvaro Muñoz-Castro
- Lab. de Química Inorgánica y Materiales Moleculares, Universidad Autonoma de Chile, Llano Subercaceaux 2801, San Miguel, Santiago, 8910060, Chile
| | - F. Matthias Bickelhaupt
- Department of Theoretical Chemistry and Amsterdam Center for Multiscale Modeling (ACMM), Vrije Universiteit Amsterdam, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
- Institute of Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
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154
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Singh MP, Tarai A, Baruah JB. Changes in Emission Properties by π‐Stacking and Conformation Adjustment of an Imidazole‐Tethered Naphthalimide Derivative. ChemistrySelect 2018. [DOI: 10.1002/slct.201800440] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Munendra Pal Singh
- Department of ChemistryIndian Institute of Technology Guwahati Guwahati−781 039, Assam India
| | - Arup Tarai
- Department of ChemistryIndian Institute of Technology Guwahati Guwahati−781 039, Assam India
| | - Jubaraj Bikash Baruah
- Department of ChemistryIndian Institute of Technology Guwahati Guwahati−781 039, Assam India
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155
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Liao JZ, Meng L, Jia JH, Liang D, Chen XL, Yu RM, Kuang XF, Lu CZ. Anion-π Interaction-Induced Room-Temperature Phosphorescence of a Polyoxometalate-Based Charge-Transfer Hybrid Material. Chemistry 2018; 24:10498-10502. [DOI: 10.1002/chem.201801639] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Revised: 05/02/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Jian-Zhen Liao
- CAS Key Laboratory of Design and Assembly of, Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials; Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences; Fuzhou Fujian 350002 P.R. China
| | - Lingyi Meng
- CAS Key Laboratory of Design and Assembly of, Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials; Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences; Fuzhou Fujian 350002 P.R. China
- Xiamen Institute of Rare-earth Materials; Haixi Institutes, Chinese Academy of Sciences; Xiamen 361021 China
| | - Ji-Hui Jia
- CAS Key Laboratory of Design and Assembly of, Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials; Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences; Fuzhou Fujian 350002 P.R. China
- Graduate University of Chinese Academy of Sciences; Beijing 100049 China
| | - Dong Liang
- CAS Key Laboratory of Design and Assembly of, Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials; Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences; Fuzhou Fujian 350002 P.R. China
- Xiamen Institute of Rare-earth Materials; Haixi Institutes, Chinese Academy of Sciences; Xiamen 361021 China
| | - Xu-Lin Chen
- CAS Key Laboratory of Design and Assembly of, Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials; Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences; Fuzhou Fujian 350002 P.R. China
- Xiamen Institute of Rare-earth Materials; Haixi Institutes, Chinese Academy of Sciences; Xiamen 361021 China
| | - Rong-Min Yu
- CAS Key Laboratory of Design and Assembly of, Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials; Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences; Fuzhou Fujian 350002 P.R. China
| | - Xiao-Fei Kuang
- CAS Key Laboratory of Design and Assembly of, Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials; Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences; Fuzhou Fujian 350002 P.R. China
- Xiamen Institute of Rare-earth Materials; Haixi Institutes, Chinese Academy of Sciences; Xiamen 361021 China
| | - Can-Zhong Lu
- CAS Key Laboratory of Design and Assembly of, Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials; Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences; Fuzhou Fujian 350002 P.R. China
- Xiamen Institute of Rare-earth Materials; Haixi Institutes, Chinese Academy of Sciences; Xiamen 361021 China
- Graduate University of Chinese Academy of Sciences; Beijing 100049 China
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156
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Deka B, Sarma RJ. Cooperative Binding of Fluoride Anions to a Flexible Cystine‐Based Receptor Containing Two 3,5‐Dinitrobenzamide Motifs. ChemistrySelect 2018. [DOI: 10.1002/slct.201800956] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Barnali Deka
- Department of ChemistryUniversity of Gauhati, Guwahati 781014 Assam India
| | - Rupam J Sarma
- Department of ChemistryUniversity of Gauhati, Guwahati 781014 Assam India
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157
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Liu H, Zhang Q, Wang M. Synthesis, Structure, and Anion Binding Properties of Electron‐Deficient Tetrahomocorona[4]arenes: Shape Selectivity in Anion–π Interactions. Angew Chem Int Ed Engl 2018; 57:6536-6540. [DOI: 10.1002/anie.201802650] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Indexed: 12/16/2022]
Affiliation(s)
- Han‐Bin Liu
- Department MOE Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical BiologyDepartment of ChemistryTsinghua University Beijing 100084 China
| | - Qian Zhang
- Department MOE Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical BiologyDepartment of ChemistryTsinghua University Beijing 100084 China
| | - Mei‐Xiang Wang
- Department MOE Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical BiologyDepartment of ChemistryTsinghua University Beijing 100084 China
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158
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Mikherdov AS, Kinzhalov MA, Novikov AS, Boyarskiy VP, Boyarskaya IA, Avdontceva MS, Kukushkin VY. Ligation-Enhanced π-Hole···π Interactions Involving Isocyanides: Effect of π-Hole···π Noncovalent Bonding on Conformational Stabilization of Acyclic Diaminocarbene Ligands. Inorg Chem 2018; 57:6722-6733. [PMID: 29792332 DOI: 10.1021/acs.inorgchem.8b01027] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The reaction of cis-[PdCl2(CNXyl)2] (Xyl = 2,6-Me2C6H3) with the aminoazoles [1 H-imidazol-2-amine (1), 4 H-1,2,4-triazol-3-amine (2), 1 H-tetrazol-5-amine (3), 1 H-benzimidazol-2-amine (4), 1-alkyl-1 H-benzimidazol-2-amines, where alkyl = Me (5), Et (6)] in a 2:1 ratio in the presence of a base in CHCl3 at RT proceeds regioselectively and leads to the binuclear diaminocarbene complexes [(ClPdCNXyl)2{μ-C(N-azolyl)N(Xyl)C═NXyl}] (7-12; 73-91%). Compounds 7-12 were characterized by C, H, N elemental analyses, high-resolution ESI+-MS, Fourier transform infrared spectroscopy, 1D (1H, 13C) and 2D (1H,1H-COSY, 1H,1H-NOESY, 1H,13C-HSQC, 1H,13C-HMBC) NMR spectroscopies, and X-ray diffraction (XRDn). Inspection of the XRDn data and results of the Hirshfeld surface analysis suggest the presence in all six structures of intramolecular π-holeisocyanide···πarene interactions between the electrophilic C atom of the isocyanide moiety and the neighboring arene ring. These interactions also result in distortion of the Pd-C≡N-Xyl fragment from the linearity. Results of density functional theory calculations [M06/MWB28 (Pd) and 6-31G* (other atoms) level of theory] for model structures of 7-9 followed by the topological analysis of the electron density distribution within the framework of Bader's theory (QTAIM method) reveal the presence of these weak interactions also in a CHCl3 solution, and their calculated strength is 1.9-2.2 kcal/mol. The natural bond orbital analysis of 7-9 revealed that π(C-C)Xyl → π*(C-N)isocyanide charge transfer (CT) takes place along with the intramolecular π-holeisocyanide···πarene interactions. The observed π(C-C)Xyl → π*(C-N)isocyanide CT is due to ligation of the isocyanide to the metal center, whereas in the cases of the uncomplexed p-CNC6H4NC and CNXyl species, the effects of CT are negligible. Available CCDC data were processed from the perspective of isocyanide-involving π-hole···π interactions, disclosed the role of metal coordination in the π-hole donor ability of isocyanides, and verified the π-holeisocyanide···πarene interaction effect on the stabilization of the in-conformation in metal-bound acyclic diaminocarbenes.
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Affiliation(s)
- Alexander S Mikherdov
- Saint Petersburg State University , 7/9 Universitetskaya Nab ., Saint Petersburg , 199034 , Russian Federation
| | - Mikhail A Kinzhalov
- Saint Petersburg State University , 7/9 Universitetskaya Nab ., Saint Petersburg , 199034 , Russian Federation
| | - Alexander S Novikov
- Saint Petersburg State University , 7/9 Universitetskaya Nab ., Saint Petersburg , 199034 , Russian Federation
| | - Vadim P Boyarskiy
- Saint Petersburg State University , 7/9 Universitetskaya Nab ., Saint Petersburg , 199034 , Russian Federation
| | - Irina A Boyarskaya
- Saint Petersburg State University , 7/9 Universitetskaya Nab ., Saint Petersburg , 199034 , Russian Federation
| | - Margarita S Avdontceva
- Saint Petersburg State University , 7/9 Universitetskaya Nab ., Saint Petersburg , 199034 , Russian Federation
| | - Vadim Yu Kukushkin
- Saint Petersburg State University , 7/9 Universitetskaya Nab ., Saint Petersburg , 199034 , Russian Federation
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159
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López-Andarias J, Bauzá A, Sakai N, Frontera A, Matile S. Remote Control of Anion-π Catalysis on Fullerene-Centered Catalytic Triads. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201804092] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
| | - Antonio Bauzá
- Department de Química; Universitat de les Illes Balears; Palma de Mallorca Baleares Spain
| | - Naomi Sakai
- Department of Organic Chemistry; University of Geneva; Geneva Switzerland
| | - Antonio Frontera
- Department de Química; Universitat de les Illes Balears; Palma de Mallorca Baleares Spain
| | - Stefan Matile
- Department of Organic Chemistry; University of Geneva; Geneva Switzerland
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160
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Liu H, Zhang Q, Wang M. Synthesis, Structure, and Anion Binding Properties of Electron‐Deficient Tetrahomocorona[4]arenes: Shape Selectivity in Anion–π Interactions. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201802650] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Han‐Bin Liu
- Department MOE Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical BiologyDepartment of ChemistryTsinghua University Beijing 100084 China
| | - Qian Zhang
- Department MOE Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical BiologyDepartment of ChemistryTsinghua University Beijing 100084 China
| | - Mei‐Xiang Wang
- Department MOE Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical BiologyDepartment of ChemistryTsinghua University Beijing 100084 China
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161
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Capel Berdiell I, Warriner SL, Halcrow MA. Silver(i) complexes of bis- and tris-(pyrazolyl)azine derivatives - dimers, coordination polymers and a pentametallic assembly. Dalton Trans 2018; 47:5269-5278. [PMID: 29565079 DOI: 10.1039/c8dt00640g] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Silver(i) complexes of 2,4,6-tri(pyrazol-1-yl)pyridine (tpp), 2,4,6-tri(pyrazol-1-yl)pyrimidine (tpym), 2,4,6-tri(pyrazol-1-yl)-1,3,5-triazine (tpt) and 2,4-di(pyrazol-1-yl)-1,3,5-triazine (bpt) are reported. Dinuclear [Ag2(μ-tpp)2(MeCN)2][BF4]2·2MeCN and [Ag2(μ-tpym)2(MeCN)2][BF4]2 are formed from approximately planar [AgL(NCMe)]+ (L = tpp or bpym) centres, which dimerise via apical interactions to the pendant pyrazolyl donor on each ligand. Two polymeric solvatomorph phases [Ag2(μ-tpp)2][BF4]2·nMeNO2 were obtained by crystallising AgBF4 and tpp from nitromethane solution. One is composed of the same dimeric [Ag2(μ-tpp)2]2+ motif as the MeCN solvates, but with semibridging pyrazolyl substitutents replacing the solvent ligands. The other form has helicate [Ag2(μ-tpp)2]2+ dimers linked into chains by unsupported AgAg interactions. In contrast, [Ag5(μ3-tpym)4][BF4]5·2MeNO2 contains discrete pentametallic assemblies, of a flattened [Ag4(μ-tpym)4]4+ molecular square centred by the fifth silver ion. Three helical or linear 1D coordination polymer topologies are described for [Ag(μ-tpt)]X (X- = BF4- or ClO4-), where ditopic tpt ligands bind one silver ion in a [2 + 1] geometry and the other in bidentate, [1 + 1] or monodentate fashion. Finally, [Ag(bpt)]BF4 is a polymer of square planar silver ions linked by bis-bidentate bpt ligands. Most of the tpt and bpt structures include short anionπ contacts to the ligand triazinyl rings. Electrospray mass spectra confirm the oligomeric nature of the Ag/tpym and tpt complexes in MeNO2 solution.
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162
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Bornhof AB, Bauzá A, Aster A, Pupier M, Frontera A, Vauthey E, Sakai N, Matile S. Synergistic Anion–(π)n–π Catalysis on π-Stacked Foldamers. J Am Chem Soc 2018; 140:4884-4892. [DOI: 10.1021/jacs.8b00809] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
| | - Antonio Bauzá
- Department de Química, Universitat de les Illes Balears, Carretera de Valldemossa km 7.5, 07122 Palma de Mallorca, Baleares, Spain
| | | | | | - Antonio Frontera
- Department de Química, Universitat de les Illes Balears, Carretera de Valldemossa km 7.5, 07122 Palma de Mallorca, Baleares, Spain
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163
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Bhol M, Shankar B, Sathiyendiran M. Rhenium(i) based irregular pentagonal-shaped metallacavitands. Dalton Trans 2018; 47:4494-4500. [PMID: 29505049 DOI: 10.1039/c8dt00574e] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Neutral ditopic flexible N-donor ligands (Ln = bis(4-(naphtho[2,3-d]imidazol-1-ylmethyl)phenyl)methane, L1 bis(4-(benzimidazol-1-ylmethyl)phenyl)methane, L2 or bis(4-(2-nonylbenzimidazol-1-ylmethyl)phenyl)methane, L3) possessing a bis(4-methylphenyl)methane spacer with two imidazolyl donor units were designed and synthesized. The ligands were utilized to develop metallacavitands analogous to irregular pentagonal-shaped metallacavitands with larger cavities. The metallacavitands 1-4 were assembled from Re2(CO)10, a rigid bis-chelating donor (1,4-dihydroxy-9,10-anthraquinone or chloranilic acid) and Lnvia a solvothermal approach. The ligands and the metallacavitands were characterized by analytical and spectroscopic methods. The molecular structures of 1 and 4 were further confirmed by single crystal X-ray diffraction analysis which revealed that a toluene molecule resides in the hydrophobic cavity. Ln and 1-4 are emissive in DMSO at room temperature. The internal cavity of the metallacavitand acts as a host for aromatic guest molecules. The host-guest interaction properties of 1 with anthracene, naphthalene, nitrobenzene, 2-nitrotoluene, 4-nitrotoluene and 2,4-dinitrotoluene were studied by an emission spectroscopic method.
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Affiliation(s)
- Mamina Bhol
- School of Chemistry, University of Hyderabad, Hyderabad-500 046, India.
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164
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Savastano M, Bazzicalupi C, García-Gallarín C, Giorgi C, López de la Torre MD, Pichierri F, Bianchi A, Melguizo M. Halide and hydroxide anion binding in water. Dalton Trans 2018; 47:3329-3338. [PMID: 29423483 DOI: 10.1039/c7dt04430e] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The formation of halide and hydroxide anion complexes with two ligands L1 (3,6-bis(morpholin-4-ylmethyl)-1,2,4,5-tetrazine) and L2 (3,6-bis(morpholin-4-ylethyl)-1,2,4,5-tetrazine) was studied in aqueous solution, by means of potentiometric and ITC procedures. In the solid state, HF2-, Cl- and Br- complexes of H2L22+ were analysed by single crystal XRD measurements. Further information on the latter was obtained with the use of density functional theory (DFT) calculations in combination with the polarizable continuum model (PCM). The presence of two halide or bifluoride HF2- (F-H-F-) anions forming anion-π interactions, respectively above and below the ligand tetrazine ring, is the leitmotiv of the [(H2L2)X2] (X = HF2, Cl, Br, I) complexes in the solid state, while hydrogen bonding between the anions and protonated morpholine ligand groups contributes to strengthen the anion-ligand interaction, in particular in the case of Cl- and Br-. In contrast to the solid state, only the anion : ligand complexes of 1 : 1 stoichiometry were found in solution. The stability of these complexes displays the peculiar trend I- > F- > Br- > Cl- which was rationalized in terms of electrostatic, hydrogen bond, anion-π interactions and solvent effects. DFT calculations performed on [(H2L2)X]+ (X = F, Cl, Br, I) in PCM water suggested that the ligand assumes a U-shaped conformation to form one anion-π and two salt bridge interactions with the included anions and furnished structural information to interpret the solvation effects affecting complex formation. The formation of hydroxide anion complexes with neutral (not protonated) L1 and L2 molecules represents an unprecedented case in water. The stability of the [L(OH)]- (L = L1, L2) complexes is comparable to or higher than the stability of halide complexes with protonated ligand molecules, their formation being promoted by largely favourable enthalpic contributions that prevail over unfavourable entropic changes.
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Affiliation(s)
- M Savastano
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 3, 50019, Sesto Fiorentino, Italy.
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165
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Ortolan AO, Østrøm I, Caramori GF, Parreira RLT, da Silva EH, Bickelhaupt FM. Tuning Heterocalixarenes to Improve Their Anion Recognition: A Computational Approach. J Phys Chem A 2018. [DOI: 10.1021/acs.jpca.8b01866] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Alexandre O. Ortolan
- Departamento de Química, Universidade Federal de Santa Catarina, Campus Universitário Trindade, CP 476, Florianópolis, SC 88040-900, Brazil
| | - Ina Østrøm
- Departamento de Química, Universidade Federal de Santa Catarina, Campus Universitário Trindade, CP 476, Florianópolis, SC 88040-900, Brazil
| | - Giovanni F. Caramori
- Departamento de Química, Universidade Federal de Santa Catarina, Campus Universitário Trindade, CP 476, Florianópolis, SC 88040-900, Brazil
| | - Renato L. T. Parreira
- Núcleo de Pesquisas em Ciências Exatas e Tecnológicas, Universidade de Franca, 14404-600 Franca, SP, Brazil
| | - Eder H. da Silva
- Núcleo de Pesquisas em Ciências Exatas e Tecnológicas, Universidade de Franca, 14404-600 Franca, SP, Brazil
| | - F. Matthias Bickelhaupt
- Department of Theoretical Chemistry and Amsterdam Center for Multiscale Modeling (ACMM), Vrije Universiteit Amsterdam, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
- Institute of Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
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166
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Network Formation via Anion Coordination: Crystal Structures Based on the Interplay of Non-Covalent Interactions. Molecules 2018; 23:molecules23030572. [PMID: 29510481 PMCID: PMC6017772 DOI: 10.3390/molecules23030572] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 02/24/2018] [Accepted: 02/27/2018] [Indexed: 12/31/2022] Open
Abstract
We describe the synthesis and the structural characterization of new H2L(CF3CO2)2 (1) and H2L(Ph2PO4)2 (2) compounds containing the diprotonated form (H2L2+) of the tetrazine-based molecule 3,6-di(pyridin-4-yl)-1,2,4,5-tetrazine. X-ray diffraction (XRD) analysis of single crystals of these compounds showed that H2L2+ displays similar binding properties toward both anions when salt bridge interactions are taken into account. Nevertheless, the different shapes, sizes and functionalities of trifluoroacetate and diphenyl phosphate anions define quite different organization patterns leading to the peculiar crystal lattices of 1 and 2. These three-dimensional (3D) architectures are self-assembled by a variety of non-covalent forces, among which prominent roles are played by fluorine–π (in 1) and anion–π (in 2) interactions.
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167
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Lemes MA, Stein HN, Gabidullin B, Robeyns K, Clérac R, Murugesu M. Probing Magnetic-Exchange Coupling in Supramolecular Squares Based on Reducible Tetrazine-Derived Ligands. Chemistry 2018; 24:4259-4263. [PMID: 29430742 DOI: 10.1002/chem.201800126] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Indexed: 12/12/2022]
Abstract
Reducible 3,6-bis(3,5-dimethyl-pyrazolyl)1,2,4,5-tetrazine was employed to isolate supramolecular air-stable [Co4 ] and [Zn4 ] squares, which were achieved via careful selection of counterions rather than the use of reducing agents. Magnetic susceptibility studies revealed a strong radical-CoII exchange coupling (Jrad-Co /hc=-118 cm-1 , -2J formalism) with a spin ground state of ST =4, whereas the unreduced analogue revealed negligible coupling between the Co centers (JCo-Co /hc=-0.64 cm-1 ). Radical-radical coupling was also probed in the [Zn4 ] congener, which led to Jrad-rad /hc=-15.9(5) cm-1 . These results highlight the versatile air-stable coordination chemistry of tetrazine and the importance of exploiting easily reducible delocalized radical to promote strong exchange coupling between spin carriers.
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Affiliation(s)
- Maykon A Lemes
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, D'lorio Hall, 10 Marie Curie, Ottawa, ON, K1N6N5, Canada
| | - Hilarie N Stein
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, D'lorio Hall, 10 Marie Curie, Ottawa, ON, K1N6N5, Canada
| | - Bulat Gabidullin
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, D'lorio Hall, 10 Marie Curie, Ottawa, ON, K1N6N5, Canada
| | - Koen Robeyns
- Institute of Condensed Matter and Nanosciences, MOST-Inorganic Chemistry, Université catholique de Louvain, Place L. Pasteur 1, 1348, Louvain-la-Neuve, Belgium
| | - Rodolphe Clérac
- CNRS, CRPP, UMR 5031, 33600, Pessac, France.,Univ. Bordeaux, CRPP, UMR 5031, 33600, Pessac, France
| | - Muralee Murugesu
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, D'lorio Hall, 10 Marie Curie, Ottawa, ON, K1N6N5, Canada
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168
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Zhang HL, Liao JZ, Yang W, Wu XY, Lu CZ. A novel naphthalenediimide-based lanthanide-organic framework with polyoxometalate templates exhibiting reversible photochromism. Dalton Trans 2018; 46:4898-4901. [PMID: 28317991 DOI: 10.1039/c7dt00631d] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first visible-light-responsive photochromic polyoxometalate-templated lanthanide-organic framework (LOF) has been constructed from a carboxyphenyl-substituted naphthalenediimide (NDI) derivative, which displays an unusual four-fold interpenetration of an srs topological network, featuring a variety of anion-π interactions between polyoxoanions and π-acidic NDI moieties, and undergoes a rapid reversible photochromic transformation upon blue light irradiation.
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Affiliation(s)
- Hai-Long Zhang
- Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China.
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169
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Savastano M, Bazzicalupi C, García C, Gellini C, López de la Torre MD, Mariani P, Pichierri F, Bianchi A, Melguizo M. Iodide and triiodide anion complexes involving anion-π interactions with a tetrazine-based receptor. Dalton Trans 2018; 46:4518-4529. [PMID: 28262880 DOI: 10.1039/c7dt00134g] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Protonated forms of the tetrazine ligand L2 (3,6-bis(morpholin-4-ylethyl)-1,2,4,5-tetrazine) interact with iodide in aqueous solution forming relatively stable complexes (ΔG° = -11.6(4) kJ mol-1 for HL2+ + I- = (HL2)I and ΔG° = -13.4(2) kJ mol-1 for H2L22+ + I- = [(H2L2)I]+). When solutions of [(H2L2)I]+ are left in contact with air, crystals of the oxidation product (H2L2)2(I3)3I·4H2O are formed. Unfortunately, the low solubility of I3- complexes prevents the determination of their stability constants. The crystal structures of H2L2I2·H2O (1), H2L2(I3)2·2H2O (2) and (H2L2)2(I3)3I·4H2O (3) were determined by means of X-ray diffraction analyses. In all crystal structures, it was found that the interaction between I- and I3- with H2L22+ is dominated by anion interactions with the π electron density of the receptor. Only in the case of 1, the iodide anions involved in close anion-π interactions with the ligand tetrazine ring form an additional H-bond with the protonated morpholine nitrogen of an adjacent ligand molecule. Conversely, in crystals of 2 and 3 there are alternate segregated planes which contain only protonated ligands hydrogen-bonded to cocrystallized water molecules or I3- and I- forming infinite two-dimensional networks established through short interhalogen contacts, making these crystalline products good candidates to behave as solid conductors. In the solid complexes, the triiodide anion displays both end-on and side-on interaction modes with the tetrazine ring, in agreement with density functional theory calculations indicating a preference for the alignment of the I3- molecular axis with the molecular axis of the ligand. Further information about geometries and structures of triiodide anions in 2 and 3 was acquired by the analysis of their Raman spectra.
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Affiliation(s)
- Matteo Savastano
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 3, 50019, Sesto Fiorentino, Italy.
| | - Carla Bazzicalupi
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 3, 50019, Sesto Fiorentino, Italy.
| | - Celeste García
- Department of Inorganic and Organic Chemistry, University of Jaén 23071, Jaén, Spain.
| | - Cristina Gellini
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 3, 50019, Sesto Fiorentino, Italy.
| | | | - Palma Mariani
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 3, 50019, Sesto Fiorentino, Italy.
| | - Fabio Pichierri
- Department of Applied Chemistry, Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan.
| | - Antonio Bianchi
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 3, 50019, Sesto Fiorentino, Italy.
| | - Manuel Melguizo
- Department of Inorganic and Organic Chemistry, University of Jaén 23071, Jaén, Spain.
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170
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Zhang X, Liu L, López-Andarias J, Wang C, Sakai N, Matile S. Anion-π
Catalysis: Focus on Nonadjacent Stereocenters. Helv Chim Acta 2018. [DOI: 10.1002/hlca.201700288] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Xiang Zhang
- Department of Organic Chemistry; University of Geneva; Quai Ernest Ansermet 30 CH-1211 Geneva 4 Switzerland
| | - Le Liu
- Department of Organic Chemistry; University of Geneva; Quai Ernest Ansermet 30 CH-1211 Geneva 4 Switzerland
| | - Javier López-Andarias
- Department of Organic Chemistry; University of Geneva; Quai Ernest Ansermet 30 CH-1211 Geneva 4 Switzerland
| | - Chao Wang
- Department of Organic Chemistry; University of Geneva; Quai Ernest Ansermet 30 CH-1211 Geneva 4 Switzerland
| | - Naomi Sakai
- Department of Organic Chemistry; University of Geneva; Quai Ernest Ansermet 30 CH-1211 Geneva 4 Switzerland
| | - Stefan Matile
- Department of Organic Chemistry; University of Geneva; Quai Ernest Ansermet 30 CH-1211 Geneva 4 Switzerland
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171
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Corinti D, Gregori B, Guidoni L, Scuderi D, McMahon TB, Chiavarino B, Fornarini S, Crestoni ME. Complexation of halide ions to tyrosine: role of non-covalent interactions evidenced by IRMPD spectroscopy. Phys Chem Chem Phys 2018; 20:4429-4441. [PMID: 29372198 DOI: 10.1039/c7cp06657k] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The binding motifs in the halide adducts with tyrosine ([Tyr + X]-, X = Cl, Br, I) have been investigated and compared with the analogues with 3-nitrotyrosine (nitroTyr), a biomarker of protein nitration, in a solvent-free environment by mass-selected infrared multiple photon dissociation (IRMPD) spectroscopy over two IR frequency ranges, namely 950-1950 and 2800-3700 cm-1. Extensive quantum chemical calculations at B3LYP, B3LYP-D3 and MP2 levels of theory have been performed using the 6-311++G(d,p) basis set to determine the geometry, relative energy and vibrational properties of likely isomers and interpret the measured spectra. A diagnostic carbonyl stretching band at ∼1720 cm-1 from the intact carboxylic group characterizes the IRMPD spectra of both [Tyr + X]- and [nitroTyr + X]-, revealing that the canonical isomers (maintaining intact amino and carboxylic functions) are the prevalent structures. The spectroscopic evidence reveals the presence of multiple non-covalent forms. The halide complexes of tyrosine conform to a mixture of plane and phenol isomers. The contribution of phenol-bound isomers is sensitive to anion size, increasing from chloride to iodide, consistent with the decreasing basicity of the halide, with relative amounts depending on the relative energies of the respective structures. The stability of the most favorable phenol isomer with respect to the reference plane geometry is in fact 1.3, -2.1, -6.8 kJ mol-1, for X = Cl, Br, I, respectively. The change in π-acidity by ring nitration also stabilizes anion-π interactions yielding ring isomers for [nitroTyr + X]-, where the anion is placed above the face of the aromatic ring.
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Affiliation(s)
- Davide Corinti
- Dipartimento di Chimica e Tecnologie del Farmaco, Università di Roma "La Sapienza", P.le A. Moro 5, I-00185 Roma, Italy.
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172
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Franconetti A, Nuñez-Franco R, de Gonzalo G, Iglesias-Sigüenza J, Álvarez E, Cabrera-Escribano F. Fingerprinting the Nature of Anions in Pyrylium Complexes: Dual Binding Mode for Anion-π Interactions. Chemphyschem 2018; 19:327-334. [PMID: 29215788 DOI: 10.1002/cphc.201700981] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Revised: 12/06/2017] [Indexed: 12/13/2022]
Abstract
The interplay between noncovalent interactions that involve oxygenated heteroaromatic rings have been studied for the first time in this work. In particular, we report an advance in knowledge-based anion-π interactions together with (C-H)+ ⋅⋅⋅anion contacts. To understand how the anion modulates these interactions, the synthesis of pyrylium salts with a variety of anions was performed by using an anionic metathesis methodology. The synthesized pyrylium complexes were classified in series, for example, anions derived from halogens, from oxoacids, from p-block elements, and from transition metals. Crystallographic data, DFT calculations, and NMR spectroscopy methods provided access to an overall insight into the noncovalent behavior of the anion in this kind of system. Based on the DFT calculations and 1 H NMR spectroscopy, pyrylium protons can be used as chemical tags to detect noncovalent interactions in this type of compound.
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Affiliation(s)
- Antonio Franconetti
- Departament de Química, Universitat Autònoma de Barcelona, 08193, Cerdanyola del Vallès, Spain
| | - Reyes Nuñez-Franco
- Departamento de Química Orgánica, Facultad de Química, Universidad de Sevilla, C/ Profesor García González 1, 41012, Sevilla, Spain
| | - Gonzalo de Gonzalo
- Departamento de Química Orgánica, Facultad de Química, Universidad de Sevilla, C/ Profesor García González 1, 41012, Sevilla, Spain
| | - Javier Iglesias-Sigüenza
- Departamento de Química Orgánica, Facultad de Química, Universidad de Sevilla, C/ Profesor García González 1, 41012, Sevilla, Spain
| | - Eleuterio Álvarez
- Instituto de Investigaciones Químicas, C.S.I.C., Universidad de Sevilla, Av. Américo Vespucio 49, Isla de la Cartuja, 41092, Sevilla, Spain
| | - Francisca Cabrera-Escribano
- Departamento de Química Orgánica, Facultad de Química, Universidad de Sevilla, C/ Profesor García González 1, 41012, Sevilla, Spain
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173
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174
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Yan XY, Lin MD, Zheng ST, Zhan TG, Zhang X, Zhang KD, Zhao X. Recent advances of hexaazatriphenylene (HAT) derivatives: Their applications in self-assembly and porous organic materials. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.01.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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175
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Zhao MY, Wang DX, Wang MX. Synthesis, Structure, and Properties of Corona[6]arenes and Their Assembly with Anions in the Crystalline State. J Org Chem 2018; 83:1502-1509. [DOI: 10.1021/acs.joc.7b03136] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Meng-Yao Zhao
- MOE
Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology
(Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - De-Xian Wang
- CAS
Key Laboratory of Molecular Recognition and Function, Institute of
Chemistry, Chinese Academy of Science, Beijing National Laboratory for Molecular Sciences, Beijing 100191, China
| | - Mei-Xiang Wang
- MOE
Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology
(Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
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176
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Li M, Yuan Y, Chen Y. Acid-Induced Multicolor Fluorescence of Pyridazine Derivative. ACS APPLIED MATERIALS & INTERFACES 2018; 10:1237-1243. [PMID: 29231714 DOI: 10.1021/acsami.7b16050] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Smart luminescent materials that are responsive to external stimuli have received considerable attention. Here, we report a new D-A type 1,2-pyridiazine derivative (3,4,5,6-tetrakis(4-methoxyphenyl)pyridazine (TPP)) exhibiting turn-on fluorescence upon acid exposure both in solution and in the solid state. The protonation of the 1,2-pyridiazine ring caused a variation in the emission colors of the acidification species from blue (406 nm) to orange-red (630 nm) with a huge Δλem (224 nm). As a result, a synthetic rainbow of emission in solution could be achieved from one single molecule, and white photoluminescence was readily tuned by controlled protonation. A trifluoroacetic acid (TFA)-sensor film made from TPP was demonstrated as a TFA-sensitive surface with high sensitivity and reversibility. On the basis of these findings, we constructed a solid-state TPP film with a photoacid generator and demonstrated data encryption and decryption via a cascade protonation reaction that was well controlled by UV light.
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Affiliation(s)
- Mengwei Li
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , Tianjin 300072, P. R. China
| | - Yuan Yuan
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , Tianjin 300072, P. R. China
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177
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Nimax PR, Sünkel K. Structural diversity in the alkaline earth metal compounds of tetra and pentacyanocyclopentadienide. Dalton Trans 2018; 47:409-417. [PMID: 29219162 DOI: 10.1039/c7dt03862c] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The reaction of the alkaline earth dihalides MCl2·nH2O (M = Mg, Ca, Sr, Ba) with the silver salts of cyanocyclopentadienides [C5(CN)4X]- (X = H, CN) yields the corresponding alkaline earth biscyclopentadienides. The pentacyanocyclopentadienides of Mg and Ca and the tetracyanocyclopentadienides of Ca, Sr and Ba were studied by X-ray diffraction. The Mg compound 1a' shows only coordination by water molecules, but numerous hydrogen bridges between coordinated water molecules and pentacyanocyclopentadienide anions and further guest water molecules create a three-dimensional network. The structure of the calcium pentacyanocyclopentadienide 1b shows two inequivalent anions, one uncoordinated and one coordinating via three nitrile groups to three different metal ions. Ca2+ and [C5(CN)5]- ions together form a rhombohedral grid structure, in which the voids are filled by the uncoordinated [C5(CN)5]- ion and guest water molecules, all taking part in a hydrogen bond network too. The isostructural Ca and Sr tetracyanocyclopentadienides exhibit eightfold coordinated metal ions, in which both [C5(CN)4H]- anions coordinate to the metals by one cyano group each, and each anion bridging two metal ions. Thus, one-dimensional ribbons of {Ca[C5(CN)4H]4/2}x are formed, which are interconnected via hydrogen bridges from and to coordinated water molecules to build a three-dimensional network. The barium tetracyanocyclopentadienide contains a ninefold coordinated metal with the anion using three of its nitrile functions for coordination to three different metals. A complicated network is formed by four interpenetrating {Ba[C5(CN)4H]2} helices that are interconnected via the remaining third nitrile function, while the fourth nitrile group always remains uncoordinated. Although all coordinated water molecules are involved in hydrogen bridges, these are not contributing to the formation of the network.
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178
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Singh AS, Ali A, Tiwari RK, Behera JN, Sun SS, Chandrasekhar V. Thermally induced 1D to 2D polymer conversion accompanied by major packing changes in single-crystal-to-single-crystal transformation. CrystEngComm 2018. [DOI: 10.1039/c8ce00089a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The molecular packing in crystals is highly sensitive to temperature and pressure. We report a thermally-induced H-bonded 1D → 2D polymer formation via SCSCT.
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Affiliation(s)
- Ashutosh S. Singh
- School of Chemical Sciences
- National Institute of Science Education and Research (NISER)
- Bhubaneswar
- India
- School of Chemistry and Biochemistry
| | - Amjad Ali
- School of Chemistry and Biochemistry
- Thapar University
- Patiala-147004
- India
| | - Ranjay K. Tiwari
- School of Chemical Sciences
- National Institute of Science Education and Research (NISER)
- Bhubaneswar
- India
| | - Jogendra N. Behera
- School of Chemical Sciences
- National Institute of Science Education and Research (NISER)
- Bhubaneswar
- India
| | - Shih-Sheng Sun
- Institute of Chemistry, Academia Sinica
- Taipei
- Republic of China
| | - Vadapalli Chandrasekhar
- School of Chemical Sciences
- National Institute of Science Education and Research (NISER)
- Bhubaneswar
- India
- Department of Chemistry
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179
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Liu Z, Gao Q, Chen J, Deng J, Lin K, Xing X. Negative thermal expansion in molecular materials. Chem Commun (Camb) 2018; 54:5164-5176. [DOI: 10.1039/c8cc01153b] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Some mechanisms resulting in negative thermal expansion in molecular materials are summarized.
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Affiliation(s)
- Zhanning Liu
- Department of Physical Chemistry
- University of Science and Technology Beijing
- Beijing
- China
| | - Qilong Gao
- Department of Physical Chemistry
- University of Science and Technology Beijing
- Beijing
- China
| | - Jun Chen
- Department of Physical Chemistry
- University of Science and Technology Beijing
- Beijing
- China
| | - Jinxia Deng
- Department of Physical Chemistry
- University of Science and Technology Beijing
- Beijing
- China
| | - Kun Lin
- Department of Physical Chemistry
- University of Science and Technology Beijing
- Beijing
- China
| | - Xianran Xing
- Department of Physical Chemistry
- University of Science and Technology Beijing
- Beijing
- China
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180
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Ieritano C, Featherstone J, Carr PJJ, Marta RA, Loire E, McMahon TB, Hopkins WS. The structures and properties of anionic tryptophan complexes. Phys Chem Chem Phys 2018; 20:26532-26541. [DOI: 10.1039/c8cp04533j] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
IRMPD spectroscopy and electronic structure calculations are employed to identify π–π interactions in ionic tryptophan clusters.
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Affiliation(s)
| | | | | | - Rick A. Marta
- Department of Chemistry, University of Waterloo
- Waterloo
- Canada
| | - Estelle Loire
- Laboratoire Chimie Physique – CLIO, Bâtiment 201, Porte 2, Campus Universitaire d’Orsay
- France
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181
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Abstract
This review article highlights the emergence of eclectic molecular design principles to realize remarkably strong electron deficient arylenediimide molecules, aspects of their stability and associated applications.
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Affiliation(s)
- Sharvan Kumar
- Supramolecular and Material Chemistry Lab
- School of Physical Sciences
- Jawaharlal Nehru University
- New Delhi 110067
- India
| | - Jyoti Shukla
- Supramolecular and Material Chemistry Lab
- School of Physical Sciences
- Jawaharlal Nehru University
- New Delhi 110067
- India
| | - Yogendra Kumar
- Supramolecular and Material Chemistry Lab
- School of Physical Sciences
- Jawaharlal Nehru University
- New Delhi 110067
- India
| | - Pritam Mukhopadhyay
- Supramolecular and Material Chemistry Lab
- School of Physical Sciences
- Jawaharlal Nehru University
- New Delhi 110067
- India
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182
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Li L, Hong YJ, Lin Y, Xiao WC, Lin MJ. An electron-deficient nanosized polycyclic aromatic hydrocarbon with enhanced anion–π interactions. Chem Commun (Camb) 2018; 54:11941-11944. [DOI: 10.1039/c8cc06522e] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A super-electron-deficient nano-sized polycyclic aromatic hydrocarbon with six imide groups at the corners has been synthesized, which exhibited enhanced anion–π interactions with various anions.
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Affiliation(s)
- Lei Li
- College of Chemistry
- Fuzhou University
- China
| | | | - Yun Lin
- Testing Centre, Fuzhou University
- China
| | - Wang-Chuan Xiao
- School of Resources and Chemical Engineering
- Sanming Institute of Fluorochemical Industry
- Sanming University
- China
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183
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Kumar N, Mandal SK. Design and application of a fluorogenic receptor for selective sensing of cations, small neutral molecules, and anions. NEW J CHEM 2018. [DOI: 10.1039/c8nj03998d] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
An unprecedented single multi-analyte fluorogenic receptor, a sodium salt of N-(methyl-2-thiophenyl)-tyrosine (NaHTyrthio), is reported for the selective sensing of cations (Cu2+), small neutral molecules (nitrobenzene and aniline) and anions (F−) by variable spectral responses.
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Affiliation(s)
- Navnita Kumar
- Department of Chemical Sciences
- Indian Institute of Science Education and Research Mohali
- Mohali
- India
| | - Sanjay K. Mandal
- Department of Chemical Sciences
- Indian Institute of Science Education and Research Mohali
- Mohali
- India
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184
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Tam TLD, Ng CK, Lu X, Lim ZL, Wu J. Anion–π interactions of highly π-acidic dipyridinium-naphthalene diimide salts. Chem Commun (Camb) 2018; 54:7374-7377. [DOI: 10.1039/c8cc03941k] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A highly π-acidic dipyridinium-naphthalene diimide acceptor shows anion–π interactions with halides and PF6−.
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Affiliation(s)
- Teck Lip Dexter Tam
- Institute of Materials Research and Engineering (IMRE)
- Agency of Science
- Technology and Research (A*STAR)
- 2 Fusionopolis Way
- Innovis
| | - Chee Koon Ng
- Institute of Materials Research and Engineering (IMRE)
- Agency of Science
- Technology and Research (A*STAR)
- 2 Fusionopolis Way
- Innovis
| | - Xuefeng Lu
- Department of Chemistry
- National University of Singapore
- 3 Science Drive 3
- Singapore
- Singapore
| | - Zheng Long Lim
- Department of Chemistry
- National University of Singapore
- 3 Science Drive 3
- Singapore
- Singapore
| | - Jishan Wu
- Institute of Materials Research and Engineering (IMRE)
- Agency of Science
- Technology and Research (A*STAR)
- 2 Fusionopolis Way
- Innovis
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185
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Savastano M, García C, López de la Torre MD, Pichierri F, Bazzicalupi C, Bianchi A, Melguizo M. Interplay between salt bridge, hydrogen bond and anion-π interactions in thiocyanate binding. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2017.04.029] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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186
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Anichini C, Czepa W, Pakulski D, Aliprandi A, Ciesielski A, Samorì P. Chemical sensing with 2D materials. Chem Soc Rev 2018; 47:4860-4908. [DOI: 10.1039/c8cs00417j] [Citation(s) in RCA: 342] [Impact Index Per Article: 57.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
During the last decade, two-dimensional materials (2DMs) have attracted great attention due to their unique chemical and physical properties, which make them appealing platforms for diverse applications in sensing of gas, metal ions as well as relevant chemical entities.
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Affiliation(s)
| | - Włodzimierz Czepa
- Faculty of Chemistry
- Adam Mickiewicz University
- 61614 Poznań
- Poland
- Centre for Advanced Technologies
| | | | | | | | - Paolo Samorì
- Université de Strasbourg
- CNRS
- ISIS
- 67000 Strasbourg
- France
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187
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Motherwell WB, Moreno RB, Pavlakos I, Arendorf JRT, Arif T, Tizzard GJ, Coles SJ, Aliev AE. Noncovalent Interactions of π Systems with Sulfur: The Atomic Chameleon of Molecular Recognition. Angew Chem Int Ed Engl 2017; 57:1193-1198. [DOI: 10.1002/anie.201708485] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Revised: 11/16/2017] [Indexed: 12/24/2022]
Affiliation(s)
- William B. Motherwell
- Department of Chemistry; University College London; 20 Gordon Street London WC1H 0AJ UK
| | - Rafael B. Moreno
- Department of Chemistry; University College London; 20 Gordon Street London WC1H 0AJ UK
| | - Ilias Pavlakos
- Department of Chemistry; University College London; 20 Gordon Street London WC1H 0AJ UK
| | | | - Tanzeel Arif
- Department of Chemistry; University College London; 20 Gordon Street London WC1H 0AJ UK
| | - Graham J. Tizzard
- School of Chemistry; University of Southampton; University Road Southampton SO17 1BJ UK
| | - Simon J. Coles
- School of Chemistry; University of Southampton; University Road Southampton SO17 1BJ UK
| | - Abil E. Aliev
- Department of Chemistry; University College London; 20 Gordon Street London WC1H 0AJ UK
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188
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Motherwell WB, Moreno RB, Pavlakos I, Arendorf JRT, Arif T, Tizzard GJ, Coles SJ, Aliev AE. Noncovalent Interactions of π Systems with Sulfur: The Atomic Chameleon of Molecular Recognition. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201708485] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- William B. Motherwell
- Department of Chemistry; University College London; 20 Gordon Street London WC1H 0AJ UK
| | - Rafael B. Moreno
- Department of Chemistry; University College London; 20 Gordon Street London WC1H 0AJ UK
| | - Ilias Pavlakos
- Department of Chemistry; University College London; 20 Gordon Street London WC1H 0AJ UK
| | | | - Tanzeel Arif
- Department of Chemistry; University College London; 20 Gordon Street London WC1H 0AJ UK
| | - Graham J. Tizzard
- School of Chemistry; University of Southampton; University Road Southampton SO17 1BJ UK
| | - Simon J. Coles
- School of Chemistry; University of Southampton; University Road Southampton SO17 1BJ UK
| | - Abil E. Aliev
- Department of Chemistry; University College London; 20 Gordon Street London WC1H 0AJ UK
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189
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Stetsiuk O, El-Ghayoury A, Lloret F, Julve M, Avarvari N. Mononuclear and One-Dimensional Cobalt(II) Complexes with the 3,6-Bis(picolylamino)-1,2,4,5-tetrazine Ligand. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201701224] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Oleh Stetsiuk
- Laboratoire MOLTECH-Anjou, UMR 6200; CNRS Université d'Angers, UFR Sciences, Bât. K; 2 Bd. Lavoisier 49045 Angers France
- Department of Inorganic Chemistry; Taras Shevchenko National University of Kyiv; Volodymyrska str. 64/13 01601 Kyiv Ukraine
| | - Abdelkrim El-Ghayoury
- Laboratoire MOLTECH-Anjou, UMR 6200; CNRS Université d'Angers, UFR Sciences, Bât. K; 2 Bd. Lavoisier 49045 Angers France
| | - Francesc Lloret
- Instituto de Ciencia Molecular (ICMol)/Departament de Química Inorgànica; Universitat de València; C/Catedrático José Beltrán 2 46980 Paterna (Valencia) Spain
| | - Miguel Julve
- Instituto de Ciencia Molecular (ICMol)/Departament de Química Inorgànica; Universitat de València; C/Catedrático José Beltrán 2 46980 Paterna (Valencia) Spain
| | - Narcis Avarvari
- Laboratoire MOLTECH-Anjou, UMR 6200; CNRS Université d'Angers, UFR Sciences, Bât. K; 2 Bd. Lavoisier 49045 Angers France
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190
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Struch N, Topić F, Schnakenburg G, Rissanen K, Lützen A. Electron-Deficient Pyridylimines: Versatile Building Blocks for Functional Metallosupramolecular Chemistry. Inorg Chem 2017; 57:241-250. [DOI: 10.1021/acs.inorgchem.7b02412] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Niklas Struch
- Kekulé-Institut
für Organische Chemie und Biochemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Straße 1, D-53121 Bonn, Germany
| | - Filip Topić
- University of Jyväskylä, Department of
Chemistry, Nanoscience Center, P.O. Box
35, 40014 Jyväskylä, Finland
| | - Gregor Schnakenburg
- Institut
für Anorganische Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Straße 1, D-53121 Bonn, Germany
| | - Kari Rissanen
- University of Jyväskylä, Department of
Chemistry, Nanoscience Center, P.O. Box
35, 40014 Jyväskylä, Finland
| | - Arne Lützen
- Kekulé-Institut
für Organische Chemie und Biochemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Straße 1, D-53121 Bonn, Germany
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191
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Roy S, Bhattacharya S, Mohanta S. Syntheses, Crystal Structures and Photophysical Aspects of Discrete and Polymeric Azido-Bridged Zinc(II) and Cadmium(II) Complexes: Sensing Properties and Structural Resemblance. ChemistrySelect 2017. [DOI: 10.1002/slct.201701944] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Shuvayan Roy
- Department of Chemistry; Inorganic Chemistry Section; University of Calcutta; 92 A. P. C Road Kolkata 700 009 India
| | - Sagarika Bhattacharya
- Department of Chemistry; Inorganic Chemistry Section; University of Calcutta; 92 A. P. C Road Kolkata 700 009 India
| | - Sasankasekhar Mohanta
- Department of Chemistry; Inorganic Chemistry Section; University of Calcutta; 92 A. P. C Road Kolkata 700 009 India
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192
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Moon SH, Kang Y, Park KM. A one-dimensional Hg II coordination polymer based on bis-(pyridin-3-ylmeth-yl)sulfane. Acta Crystallogr E Crystallogr Commun 2017; 73:1871-1874. [PMID: 29250405 PMCID: PMC5730242 DOI: 10.1107/s205698901701619x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2017] [Accepted: 11/09/2017] [Indexed: 12/03/2022]
Abstract
The reaction of mercury(II) chloride with bis-(pyridin-3-ylmeth-yl)sulfane (L, C12H12N2S) in methanol afforded the title crystalline coordination polymer catena-poly[[di-chlorido-mercury(II)]-μ-bis-(pyridin-3-ylmeth-yl)sulfane-κ2N:N'], [HgCl2L] n . The asymmetric unit consists of one HgII cation, one L ligand and two chloride anions. Each HgII ion is coordinated by two pyridine N atoms from separate L ligands and two chloride anions. The metal adopts a highly distorted tetra-hedral geometry, with bond angles about the central atom in the range 97.69 (12)-153.86 (7)°. Each L ligand bridges two HgII ions, forming an infinite -(Hg-L) n - zigzag chain along the b axis, with an Hg⋯Hg separation of 10.3997 (8) Å. In the crystal, adjacent chains are connected by inter-molecular C-H⋯Cl hydrogen bonds, together with Hg-Cl⋯π inter-actions [chloride-to-centroid distance = 3.902 (3) Å], that form between a chloride anion and the one of the pyridine rings of L, generating a two-dimensional layer extending parallel to (101). These layers are further linked by inter-molecular C-H⋯π hydrogen bonds, forming a three-dimensional supra-molecular network.
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Affiliation(s)
- Suk-Hee Moon
- Department of Food and Nutrition, Kyungnam College of Information and Technology, Busan 47011, Republic of Korea
| | - Youngjin Kang
- Division of Science Education, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Ki-Min Park
- Research institute of Natural Science, Gyeongsang National University, Jinju 52828, Republic of Korea
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193
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Construction of π-Surface-Metalated Pillar[5]arenes which Bind Anions via Anion-π Interactions. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201707209] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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194
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Jiang B, Wang W, Zhang Y, Lu Y, Zhang CW, Yin GQ, Zhao XL, Xu L, Tan H, Li X, Jin GX, Yang HB. Construction of π-Surface-Metalated Pillar[5]arenes which Bind Anions via Anion-π Interactions. Angew Chem Int Ed Engl 2017; 56:14438-14442. [DOI: 10.1002/anie.201707209] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Indexed: 12/18/2022]
Affiliation(s)
- Bo Jiang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; 3663 N. Zhongshan Road Shanghai 200062 P. R. China
| | - Wei Wang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; 3663 N. Zhongshan Road Shanghai 200062 P. R. China
| | - Ying Zhang
- Department of Chemistry; Beijing Normal University; Beijing 100050 P. R. China
| | - Ye Lu
- State Key Laboratory of Molecular Engineering of Polymers; Department of Chemistry; Fudan University; 220 Handan Road Shanghai 200433 P. R. China
| | - Chang-Wei Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; 3663 N. Zhongshan Road Shanghai 200062 P. R. China
| | - Guang-Qiang Yin
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; 3663 N. Zhongshan Road Shanghai 200062 P. R. China
| | - Xiao-Li Zhao
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; 3663 N. Zhongshan Road Shanghai 200062 P. R. China
| | - Lin Xu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; 3663 N. Zhongshan Road Shanghai 200062 P. R. China
| | - Hongwei Tan
- Department of Chemistry; Beijing Normal University; Beijing 100050 P. R. China
| | - Xiaopeng Li
- Department of Chemistry; University of South Florida; Tampa FL 33620 USA
| | - Guo-Xin Jin
- State Key Laboratory of Molecular Engineering of Polymers; Department of Chemistry; Fudan University; 220 Handan Road Shanghai 200433 P. R. China
| | - Hai-Bo Yang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; 3663 N. Zhongshan Road Shanghai 200062 P. R. China
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195
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Konieczny P, Pełka R, Czernia D, Podgajny R. Rotating Magnetocaloric Effect in an Anisotropic Two-Dimensional CuII[WV(CN)8]3– Molecular Magnet with Topological Phase Transition: Experiment and Theory. Inorg Chem 2017; 56:11971-11980. [DOI: 10.1021/acs.inorgchem.7b01930] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Piotr Konieczny
- Institute of Nuclear Physics PAN, Radzikowskiego
152, 31-342 Kraków, Poland
| | - Robert Pełka
- Institute of Nuclear Physics PAN, Radzikowskiego
152, 31-342 Kraków, Poland
| | - Dominik Czernia
- Faculty of Physics and Applied Computer
Science, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland
| | - Robert Podgajny
- Faculty of Chemistry, Jagiellonian University, Gronostajowa
2, 30-387 Kraków, Poland
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196
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López-Andarias J, Frontera A, Matile S. Anion−π Catalysis on Fullerenes. J Am Chem Soc 2017; 139:13296-13299. [DOI: 10.1021/jacs.7b08113] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Javier López-Andarias
- School of Chemistry and Biochemistry, University of Geneva, Quai Ernest Ansermet 30, CH-1211 Geneva, Switzerland
| | - Antonio Frontera
- Departament de Química, Universitat de les Illes Balears, Carretera de Valldemossa km 7.5, 07122 Palma de Mallorca, Baleares, Spain
| | - Stefan Matile
- School of Chemistry and Biochemistry, University of Geneva, Quai Ernest Ansermet 30, CH-1211 Geneva, Switzerland
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197
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Cova TF, Nunes SC, Valente AJ, Pinho e Melo TM, Pais AA. Properties and patterns in anion-receptors: A closer look at bambusurils. J Mol Liq 2017. [DOI: 10.1016/j.molliq.2017.07.065] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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198
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Soleimannejad J, Moghzi F, Hooshmand S, Dankoob Z, Ardalani M, Shamsipur M. A comparison of ligand behaviors and interactions during supramolecular assembly using molecular dynamics simulation: Synthesis, solid state and solution studies of two Ni(II) compounds. Polyhedron 2017. [DOI: 10.1016/j.poly.2017.04.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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199
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Deng JH, Wen YQ, Luo XZ, Zhong DC. Anion-dependent formation of four coordination polymers based on N,N′-di(3-pyridine) oxamide (DPOM): Crystal structures and luminescence. J SOLID STATE CHEM 2017. [DOI: 10.1016/j.jssc.2017.06.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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200
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Alegre-Requena JV, Marqués-López E, Herrera RP. “Push–Pull π+/π–” (PPππ) Systems in Catalysis. ACS Catal 2017. [DOI: 10.1021/acscatal.7b02446] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Juan V. Alegre-Requena
- Laboratorio de Organocatálisis
Asimétrica, Departamento de Química Orgánica,
Instituto de Síntesis Química y Catálisis Homogénea
(ISQCH) CSIC-Universidad de Zaragoza, C/Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - Eugenia Marqués-López
- Laboratorio de Organocatálisis
Asimétrica, Departamento de Química Orgánica,
Instituto de Síntesis Química y Catálisis Homogénea
(ISQCH) CSIC-Universidad de Zaragoza, C/Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - Raquel P. Herrera
- Laboratorio de Organocatálisis
Asimétrica, Departamento de Química Orgánica,
Instituto de Síntesis Química y Catálisis Homogénea
(ISQCH) CSIC-Universidad de Zaragoza, C/Pedro Cerbuna 12, 50009 Zaragoza, Spain
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