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Stoy A, Jürgensen M, Millidoni C, Berthold C, Ramler J, Martínez S, Buchner MR, Lichtenberg C. Bismuth in Dynamic Covalent Chemistry: Access to a Bowl-Type Macrocycle and a Barrel-Type Heptanuclear Complex Cation. Angew Chem Int Ed Engl 2023; 62:e202308293. [PMID: 37522394 DOI: 10.1002/anie.202308293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/28/2023] [Accepted: 07/31/2023] [Indexed: 08/01/2023]
Abstract
Dynamic covalent chemistry (DCvC) is a powerful and widely applied tool in modern synthetic chemistry, which is based on the reversible cleavage and formation of covalent bonds. One of the inherent strengths of this approach is the perspective to reversibly generate in an operationally simple approach novel structural motifs that are difficult or impossible to access with more traditional methods and require multiple bond cleaving and bond forming steps. To date, these fundamentally important synthetic and conceptual challenges in the context of DCvC have predominantly been tackled by exploiting compounds of lighter p-block elements, even though heavier p-block elements show low bond dissociation energies and appear to be ideally suited for this approach. Here we show that a dinuclear organometallic bismuth compound, containing BiMe2 groups that are connected by a thioxanthene linker, readily undergoes selective and reversible cleavage of its Bi-C bonds upon exposure to external stimuli. The exploitation of DCvC in the field of organometallic heavy p-block chemistry grants access to unprecedented macrocyclic and barrel-type oligonuclear compounds.
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Affiliation(s)
- Andreas Stoy
- Department of Chemistry, Philipps-University Marburg, Hans-Meerwein-Str. 4, 35032, Marburg, Germany
| | - Malte Jürgensen
- Institute of Inorganic Chemistry, Julius-Maximilians-University Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Christina Millidoni
- Department of Chemistry, Philipps-University Marburg, Hans-Meerwein-Str. 4, 35032, Marburg, Germany
| | - Chantsalmaa Berthold
- Department of Chemistry, Philipps-University Marburg, Hans-Meerwein-Str. 4, 35032, Marburg, Germany
| | - Jacqueline Ramler
- Department of Chemistry, Philipps-University Marburg, Hans-Meerwein-Str. 4, 35032, Marburg, Germany
| | - Sebastián Martínez
- Department of Chemistry, Philipps-University Marburg, Hans-Meerwein-Str. 4, 35032, Marburg, Germany
| | - Magnus R Buchner
- Department of Chemistry, Philipps-University Marburg, Hans-Meerwein-Str. 4, 35032, Marburg, Germany
| | - Crispin Lichtenberg
- Department of Chemistry, Philipps-University Marburg, Hans-Meerwein-Str. 4, 35032, Marburg, Germany
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2
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Firdoos T, Kumar P, Radha A, Gomila RM, Frontera A, Sood P, Pandey SK. An insight into triel bonds in O, O′-diarylphosphorodithioates of thallium( i): experimental and theoretical investigations. NEW J CHEM 2022. [DOI: 10.1039/d1nj04852j] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Two new thallium(i) compounds have been synthesized and structurally characterized. The existence of triel bonds in these compounds has been confirmed by HSA and DFT calculations using QTAIM and NCI plot index methods.
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Affiliation(s)
- Tahira Firdoos
- Post Graduate Department of Chemistry, University of Jammu, Baba Saheb Ambedkar Road, Jammu Tawi-180006, J&K, India
| | - Pretam Kumar
- Post Graduate Department of Chemistry, University of Jammu, Baba Saheb Ambedkar Road, Jammu Tawi-180006, J&K, India
| | - Anu Radha
- Post Graduate Department of Chemistry, University of Jammu, Baba Saheb Ambedkar Road, Jammu Tawi-180006, J&K, India
| | - Rosa M. Gomila
- Departament de Química, Universitat de les Illes Balears, Crta de Valldemossa km 7.5, 07122 Palma de Mallorca (Baleares), Spain
| | - Antonio Frontera
- Departament de Química, Universitat de les Illes Balears, Crta de Valldemossa km 7.5, 07122 Palma de Mallorca (Baleares), Spain
| | - Puneet Sood
- Advanced Materials Research Center, Indian Institute of Technology, Block-A2 Building, Kamand Campus, Mandi, Himachal Pradesh-175005, India
| | - Sushil K. Pandey
- Post Graduate Department of Chemistry, University of Jammu, Baba Saheb Ambedkar Road, Jammu Tawi-180006, J&K, India
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3
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Tiekink ER. Supramolecular aggregation patterns featuring Se⋯N secondary-bonding interactions in mono-nuclear selenium compounds: A comparison with their congeners. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.214031] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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4
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Blockhaus T, Sünkel K. Coordination Chemistry of Polynitriles, Part VIII. Thallium pentacyanocyclopentadienide. Z Anorg Allg Chem 2021. [DOI: 10.1002/zaac.202100244] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Tobias Blockhaus
- Department of Chemistry Ludwig Maximilians University Munich Butenandtstr. 5–13 81377 Munich Germany
| | - Karlheinz Sünkel
- Department of Chemistry Ludwig Maximilians University Munich Butenandtstr. 5–13 81377 Munich Germany
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5
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Characterising Supramolecular Architectures in Crystals Featuring I⋯Br Halogen Bonding: Persistence of X⋯X’ Secondary-Bonding in Their Congeners. CRYSTALS 2021. [DOI: 10.3390/cryst11040433] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The Cambridge Structural Database was surveyed for crystals featuring I⋯Br secondary-bonding in their supramolecular assemblies occurring independently of other obvious supramolecular synthons and devoid of other halogen bonding interactions. In all, 41 crystals satisfied these criteria, with nine examples of zero-dimensional aggregation (uniformly two-molecule aggregates) and 30 one-dimensional chains of varying topology (linear, zigzag and helical). There is one example each of two- and three-dimensional patterns. Type-I, type-II and intermediate bonding situations are apparent; for type-II bonding, the ratio of iodide:bromide functioning as the electrophile is 2:1. Most molecules participated, on average, in one I⋯Br contact, although smaller numbers of half (zero-dimensional) or two contacts (two- and three-dimensional) were observed. The propensity of the formation of related halogen bonding interactions in congeners of the 41 investigated crystals was also studied. Congeners were apparent for 11 crystals, with seven of these exhibiting isostructural relationships, in terms of space-group symmetry and unit-cell parameters. Isostructural relationships do not ensure the formation of analogous aggregation patterns, particularly and in accord with expectation, for the lighter halides. When formed, often distinct aggregation patterns are observed despite the isostructural relationships. Hetero-atomic halogen bonding offers surprises and opportunities in crystal engineering endeavours.
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6
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Fujisawa K, Shimizu D, Tiekink ERT. Crystal structure of {hydridotris[3-( t-butyl)-5-isopropylpyrazol-1-yl-κ N
3]borato}thallium(I), C 30H 52BN 6Tl. Z KRIST-NEW CRYST ST 2021. [DOI: 10.1515/ncrs-2020-0405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
C30H52BN6Tl, monoclinic, P21/n (no. 14), a = 9.611(3) Å, b = 17.586(5) Å, c = 19.710(6) Å, β = 98.374(7)°, V = 3295.8(17) Å3, Z = 4, R
gt
(F) = 0.0152, wR
ref
(F
2) = 0.0381, T = 182 K.
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Affiliation(s)
- Kiyoshi Fujisawa
- Department of Chemistry, Ibaraki University , Mito , Ibaraki 310-8512, Japan
| | - Daichi Shimizu
- Department of Chemistry, Ibaraki University , Mito , Ibaraki 310-8512, Japan
| | - Edward R. T. Tiekink
- Department of Chemistry, Ibaraki University , Mito , Ibaraki 310-8512, Japan
- Research Centre for Crystalline Materials, School of Science and Technology, Sunway University , 47500 Bandar Sunway , Selangor Darul Ehsan , Malaysia
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7
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Grabowski SJ. Triel bond and coordination of triel centres – Comparison with hydrogen bond interaction. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2019.213171] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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8
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Paziresh S, Sicilia V, Ara I, Martín A, Fuertes S. The Influence of Cyclometalated Ligand Motifs on the Solid-State Assemblies and Luminescent Properties of Pt(II)-Tl(I) Complexes. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00500] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Sareh Paziresh
- Departamento de Química Inorgánica, Facultad de Ciencias, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC - Universidad de Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
| | - Violeta Sicilia
- Departamento de Química Inorgánica, Escuela de Ingeniería y Arquitectura de Zaragoza, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC - Universidad de Zaragoza, Campus Rio Ebro, Edificio Torres Quevedo, 50018, Zaragoza, Spain
| | - Irene Ara
- Departamento de Química Inorgánica, Facultad de Ciencias, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC - Universidad de Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
| | - Antonio Martín
- Departamento de Química Inorgánica, Facultad de Ciencias, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC - Universidad de Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
| | - Sara Fuertes
- Departamento de Química Inorgánica, Facultad de Ciencias, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC - Universidad de Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
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9
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Taylor R, Wood PA. A Million Crystal Structures: The Whole Is Greater than the Sum of Its Parts. Chem Rev 2019; 119:9427-9477. [PMID: 31244003 DOI: 10.1021/acs.chemrev.9b00155] [Citation(s) in RCA: 127] [Impact Index Per Article: 25.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The founding in 1965 of what is now called the Cambridge Structural Database (CSD) has reaped dividends in numerous and diverse areas of chemical research. Each of the million or so crystal structures in the database was solved for its own particular reason, but collected together, the structures can be reused to address a multitude of new problems. In this Review, which is focused mainly on the last 10 years, we chronicle the contribution of the CSD to research into molecular geometries, molecular interactions, and molecular assemblies and demonstrate its value in the design of biologically active molecules and the solid forms in which they are delivered. Its potential in other commercially relevant areas is described, including gas storage and delivery, thin films, and (opto)electronics. The CSD also aids the solution of new crystal structures. Because no scientific instrument is without shortcomings, the limitations of CSD research are assessed. We emphasize the importance of maintaining database quality: notwithstanding the arrival of big data and machine learning, it remains perilous to ignore the principle of garbage in, garbage out. Finally, we explain why the CSD must evolve with the world around it to ensure it remains fit for purpose in the years ahead.
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Affiliation(s)
- Robin Taylor
- Cambridge Crystallographic Data Centre , 12 Union Road , Cambridge CB2 1EZ , United Kingdom
| | - Peter A Wood
- Cambridge Crystallographic Data Centre , 12 Union Road , Cambridge CB2 1EZ , United Kingdom
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Frańska M, Michalak A. Gas-phase relative stabilities of Tl +-crown ether complexes and Rb +-crown ether complexes. EUROPEAN JOURNAL OF MASS SPECTROMETRY (CHICHESTER, ENGLAND) 2018; 24:279-288. [PMID: 29320880 DOI: 10.1177/1469066717752794] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The gas-phase stabilities of Tl+-crown ether complexes and Rb+-crown ether complexes were studied using the electrospray ionization-collision-induced dissociation-tandem mass spectrometry. Tl+ and Rb+ have identical ionic radii, thus a comparison of the properties of the crown ether complexes with these two cations seems to be justified. The selected crown ethers were 12C4 (it has a cavity smaller than the cation radius), 18C6 (it has a cavity of size similar to the cation radius), 24C8 (it has a cavity greater than the cation radius) and their conjugates. It has been found that the crown ether complexes of stoichiometry 1:1 with Tl+ are more or equally stable in the gas phase than the crown ether complexes with Rb+. However, 2:1 complexes with Tl+ are less stable than the complexes with Rb+.
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Affiliation(s)
- Magdalena Frańska
- Institute of Chemistry and Technical Electrochemistry, Poznań University of Technology, Poznań, Poland
| | - Anna Michalak
- Institute of Chemistry and Technical Electrochemistry, Poznań University of Technology, Poznań, Poland
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11
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Silva RF, Sacco ACS, Caracelli I, Zukerman-Schpector J, Tiekink ER. Sulfur(lone-pair)…π interactions with FAD in flavoenzymes. Z KRIST-CRYST MATER 2018. [DOI: 10.1515/zkri-2018-2064] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
The interactions of π-systems with lone-pairs of electrons are known and have been described in biological systems, involving lone-pairs derived from metals, metalloids, sulfur, oxygen and nitrogen. This study describes a bibliographic survey of the disulfide-bound sulfur(lone-pair) interactions with π-systems residing in the flavin adenine dinucleotide (FAD) cofactor of oxidoreductase enzymes (flavoenzymes). Thus, of the 172 oxidoreductase enzymes evaluated for gamma-S(lone-pair)…π(FAD) interactions, 96 proteins (56%) exhibited these interactions corresponding; 61% of 350 the constituent monomers featured at least one gamma-S(lone-pair)…π(FAD) interaction. Two main points of association between the S(lone-pair) and the isoalloxazine moiety of FAD were identified, namely at the centroid of the bond linking the uracil and pyrazine rings (60%), and the centroid of the uracil ring (37%). Reflecting the nature of the secondary structure in three prominent classes of oxidoreductase enzymes: glutathione disulfide reductases (GR; 21 proteins), trypanothione disulfide reductases (TR, 14) and sulfhydryl oxidases (SOX, 22), the approach of the gamma-S(lone-pair) to the FAD residue was to the si-face of the isoalloxazine ring system, i.e. to the opposite side as the carbonyl residue, for all GR and TR examples, and to the re-face for all SOX examples. Finally, the attractive nature of the gamma-S(lone-pair)…π(FAD) interactions was confirmed qualitatively by an examination of the non-covalent interaction plots.
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Affiliation(s)
- Rui F.N. Silva
- Programa de Pós-graduação em Biotecnologia, Universidade Federal de São Carlos, C.P. 676 , São Carlos, SP, 13565-905 , Brazil
| | - Antônio César S. Sacco
- Programa de Pós-graduação em Biotecnologia, Universidade Federal de São Carlos, C.P. 676 , São Carlos, SP, 13565-905 , Brazil
| | - Ignez Caracelli
- BioMat, Departamento de Física , Universidade Federal de São Carlos, C. P. 676 , São Carlos, SP, 13565-905 , Brazil
| | - Julio Zukerman-Schpector
- Laboratório de Cristalografia, Estereodinâmica e Modelagem Molecular , Departamento de Química , Universidade Federal de São Carlos, C.P. 676 , São Carlos, SP, 13565-905 , Brazil
| | - Edward R.T. Tiekink
- Research Centre for Crystalline Materials, School of Science and Technology , Sunway University , 47500 Bandar Sunway, Selangor Darul Ehsan , Malaysia
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12
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Colombaioni L, Onor M, Benedetti E, Bramanti E. Thallium stimulates ethanol production in immortalized hippocampal neurons. PLoS One 2017; 12:e0188351. [PMID: 29161327 PMCID: PMC5697870 DOI: 10.1371/journal.pone.0188351] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Accepted: 11/06/2017] [Indexed: 02/07/2023] Open
Abstract
Lactate and ethanol (EtOH) were determined in cell culture medium (CCM) of immortalized hippocampal neurons (HN9.10e cell line) before and after incubation with Thallium (Tl). This cell line is a reliable, in vitro model of one of the most vulnerable regions of central nervous system. Cells were incubated for 48 h with three different single Tl doses: 1, 10, 100 μg/L (corresponding to 4.9, 49 and 490 nM, respectively). After 48 h, neurons were "reperfused" with fresh CCM every 24/48 h until 7 days after the treatment and the removed CCM was collected and analysed. Confocal microscopy was employed to observe morphological changes. EtOH was determined by head space-solid phase microextraction -gas chromatography -mass spectrometry (HS-SPME-GCMS), lactate by RP-HPLC with UV detection. Tl exposure had significant effects on neuronal growth rate and morphology. The damage degree was dose-dependent. In not exposed cells, EtOH concentration was 0.18 ± 0.013 mM, which represents about 5% of lactate concentration (3.4 ± 0.10 mM). After Tl exposure lactate and EtOH increased. In CCM of 100 and 10 μg/L Tl-treated cells, lactate increased 24 h after reperfusion up to 2 and 3.3 times the control value, respectively. In CCM of 10 and 100 μg/L Tl-treated cells 24 h after reperfusion, EtOH increased up to 0.3 and 0.58 mmol/L. respectively. These results are consistent with significant alterations in energy metabolism, despite the low doses of Tl employed and the relatively short incubation time.
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Affiliation(s)
| | - Massimo Onor
- National Research Council of Italy, C.N.R., Institute of Chemsitry of Organo Metallic Compounds-ICCOM, Pisa, Italy
| | - Edoardo Benedetti
- Hematology Unit, Department of Oncology, University of Pisa, Pisa, Italy
| | - Emilia Bramanti
- National Research Council of Italy, C.N.R., Institute of Chemsitry of Organo Metallic Compounds-ICCOM, Pisa, Italy
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13
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Tiekink ER. Supramolecular assembly based on “emerging” intermolecular interactions of particular interest to coordination chemists. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2017.01.009] [Citation(s) in RCA: 104] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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14
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Stereochemical and electronic interaction studies of 4′-substituted 2-(phenylselanyl)-2-(ethylsulfinyl)-acetophenones. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2016.11.077] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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15
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Manar KK, Rajput G, Yadav MK, Yadav CL, Kumari K, Drew MGB, Singh N. Potential Impact of Substituents on the Crystal Structures and Properties of Tl(I) Ferrocenyl/Picolyl-Functionalized Dithiocarbamates; Tl⋯H-CAnagostic Interactions. ChemistrySelect 2016. [DOI: 10.1002/slct.201601280] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Krishna K. Manar
- Department of Chemistry; Institute of Science; Banaras Hindu University; Varanasi-221005 India
| | - Gunjan Rajput
- Department of Chemistry; Institute of Science; Banaras Hindu University; Varanasi-221005 India
| | - Manoj K. Yadav
- Department of Chemistry; Institute of Science; Banaras Hindu University; Varanasi-221005 India
| | - Chote L. Yadav
- Department of Chemistry; Institute of Science; Banaras Hindu University; Varanasi-221005 India
| | - Kavita Kumari
- Department of Chemistry; Institute of Science; Banaras Hindu University; Varanasi-221005 India
| | - Michael G. B. Drew
- Department of Chemistry; University of Reading, Whiteknights; Reading RG6 6AD U.K
| | - Nanhai Singh
- Department of Chemistry; Institute of Science; Banaras Hindu University; Varanasi-221005 India
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16
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Caracelli I, Zukerman-Schpector J, Haiduc I, Tiekink ERT. Main group metal lone-pair⋯π(arene) interactions: a new bonding mode for supramolecular associations. CrystEngComm 2016. [DOI: 10.1039/c6ce01460g] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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17
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Tan YS, Halim SNA, Molloy KC, Sudlow AL, Otero-de-la-Roza A, Tiekink ERT. Persistence of C–H⋯π(chelate ring) interactions in the crystal structures of Pd(S2COR)2. The utility of Pd(S2COR)2as precursors for palladium sulphide materials. CrystEngComm 2016. [DOI: 10.1039/c5ce02126j] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The influence of C–H⋯π(PdS2C) interactions in the molecular packing of Pd(S2COR)2increases as the steric bulk ofRincreases.
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Affiliation(s)
- Yee Seng Tan
- Department of Chemistry
- University of Malaya
- 50603 Kuala Lumpur, Malaysia
| | | | | | - Anna L. Sudlow
- Department of Chemistry
- University of Bath
- Bath BA2 7AY, UK
| | - A. Otero-de-la-Roza
- National Institute for Nanotechnology
- National Research Council of Canada
- Edmonton, T6G 2M9 Canada
| | - Edward R. T. Tiekink
- Department of Chemistry
- University of Malaya
- 50603 Kuala Lumpur, Malaysia
- Centre for Crystalline Materials
- Faculty of Science and Technology
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18
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Zukerman-Schpector J, Yeo CI, Tiekink ER. Supramolecular architectures sustained by arene-C–H…π(quasi-chelate ring) interactions in the crystal structures of copper(I) complexes. Z KRIST-CRYST MATER 2015. [DOI: 10.1515/zkri-2015-1868] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
A review of the crystallographic literature is presented whereby structures featuring a quasi-six-membered chelate ring of the type {CuCl…HNCS} were evaluated for the presence of intermolecular C–H…π(quasi-chelate) interactions. These are shown to stabilise crystal structures leading to zero-, one-, two- and even three-dimensional architectures. Details of these interactions are described and a comparison to analogous interactions formed intramolecularly has been made. The C–H…π(quasi-chelate) interactions in these structures occur in one-third of structures where such contacts can potentially form.
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Affiliation(s)
- Julio Zukerman-Schpector
- Universidade Federal de São Carlos, Laboratório de Cristalografia, Estereodinâmica e Modelagem Molecular, Departamento de Química, C.P. 676, São Carlos, SP, 13565-905, Brazil
| | - Chien Ing Yeo
- Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia
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