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Singh RP, Mankad NP. Frustrated Al/M Heterobimetallic Complexes (M = Cr, Mo, W) That Exhibit Both Lewis and Radical Pair Behavior. Inorg Chem 2024; 63:18933-18944. [PMID: 39311419 DOI: 10.1021/acs.inorgchem.4c03276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/08/2024]
Abstract
Exploration of new heterobinuclear Al/M combinations is relevant to contemporary strategies for cooperative bond activation. Here, we report the synthesis and characterization of six new Al/M heterobimetallic complexes (M = Cr, Mo, W) that exhibit end-on "isocarbonyl"-type Al─O═C═M bridges with metalloketene character rather than featuring Al─M─C≡O motifs with metal-metal bonding. The new compounds were characterized experimentally by nuclear magnetic resonance and infrared spectroscopies and theoretically using density functional theory, natural bond orbital, and quantum theory of atoms in molecules calculations. Factors influencing Al─O═C═M vs Al─M─C≡O isomerism were probed both experimentally and computationally. Crossover experiments between different group VI Al/M derivatives and regioselective epoxide ring opening indicate that the Al/M complexes act as masked frustrated Lewis pairs in solution under certain conditions. However, crossover experiments between group VI Al/M complexes and a previously studied Al-Fe complex, as well as computational modeling, imply that the same complexes can also reasonably act as masked frustrated radical pairs (FRPs). FRP reactivity with the group VI Al/M complexes was achieved under photochemical conditions, producing unsaturated metal-carbonyl dimers [(CpCr)2(CO)3]2- and [Mn2(CO)8]2-, which would otherwise be unstable under standard conditions but that are isolable here due to Al(III) coordination. The metal-metal bonding in these unsaturated metal-carbonyl dimers was also analyzed theoretically.
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Affiliation(s)
- Roushan Prakash Singh
- Department of Chemistry, University of Illinois Chicago, Chicago, Illinois 60607, United States
| | - Neal P Mankad
- Department of Chemistry, University of Illinois Chicago, Chicago, Illinois 60607, United States
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2
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Lastowski RJ, Yarranton JT, Zhu L, Vogiatzis KD, Girolami GS. Three-Center M-H-B Bonds Are Strong Field Interactions. Synthesis and Characterization of M(CH 2NMe 2BH 3) 3 Complexes of Titanium, Chromium, and Cobalt. J Am Chem Soc 2023; 145:23585-23599. [PMID: 37851538 DOI: 10.1021/jacs.3c07336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2023]
Abstract
We describe new compounds of stoichiometry M(CH2NMe2BH3)3 (M = Ti, Cr, and Co), each of which contains three chelating boranatodimethylaminomethyl (BDAM) ligands. In all three compounds, the BDAM anion, which is isoelectronic and isostructural with the neopentyl group, is bound to the metal center at one end by a metal-carbon σ bond and at the other by one three-center M-H-B interaction. The crystal structures show that the d1 titanium(III) compound is trigonal prismatic (or eight-coordinate, if two longer-ranged M···H interactions with the BH3 groups are included), whereas the d3 chromium(III) compound and the d6 cobalt(III) compounds are both fac-octahedral. The Cr and Co compounds exhibit two rapid dynamic processes in solution: exchange between the Δ and Λ enantiomers and exchange of the terminal and bridging hydrogen atoms on boron. For the Co complex, the barrier for Δ/Λ exchange (ΔG⧧298 = 10.1 kcal mol-1) is significantly smaller than those seen in other octahedral cobalt(III) compounds; DFT calculations suggest that Bailar twist and dissociative pathways for Δ/Λ exchange are both possible mechanisms. The UV-vis absorption spectra of the cobalt(III) and chromium(III) species show that the ligand field splittings Δo caused by the M-H-B interactions are unexpectedly large, thus placing them high on the spectrochemical series (near ammonia and alkyl groups); their nephelauxetic effect is also large. The DFT calculations suggest that these properties of M-H-B interactions are in part a consequence of their three-center nature, which delocalizes electron density away from the metal center and reduces electron-electron repulsions.
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Affiliation(s)
- R Joseph Lastowski
- School of Chemical Sciences, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, United States
| | - Jonathan T Yarranton
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
| | - Lingyang Zhu
- School of Chemical Sciences, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, United States
| | | | - Gregory S Girolami
- School of Chemical Sciences, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, United States
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Cesari C, Shon JH, Zacchini S, Berben LA. Metal carbonyl clusters of groups 8-10: synthesis and catalysis. Chem Soc Rev 2021; 50:9503-9539. [PMID: 34259674 DOI: 10.1039/d1cs00161b] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
In this review article, we discuss advances in the chemistry of metal carbonyl clusters (MCCs) spanning the last three decades, with an emphasis on the more recent reports and those involving groups 8-10 elements. Synthetic methods have advanced and been refined, leading to higher-nuclearity clusters and a wider array of structures and nuclearities. Our understanding of the electronic structure in MCCs has advanced to a point where molecular chemistry tools and other advanced tools can probe their properties at a level of detail that surpasses that possible with other nanomaterials and solid-state materials. MCCs therefore advance our understanding of structure-property-reactivity correlations in other higher-nuclearity materials. With respect to catalysis, this article focuses only on homogeneous applications, but it includes both thermally and electrochemically driven catalysis. Applications in thermally driven catalysis have found success where the reaction conditions stabilise the compounds toward loss of CO. In more recent years, MCCs, which exhibit delocalised bonding and possess many electron-withdrawing CO ligands, have emerged as very stable and effective for reductive electrocatalysis reactions since reduction often strengthens M-C(O) bonds and since room-temperature reaction conditions are sufficient for driving the electrocatalysis.
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Affiliation(s)
- Cristiana Cesari
- Dipartimento di Chimica Industriale "Toso Montanari", Università di Bologna, Viale Risorgimento 4, 40136 Bologna, Italy.
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Zhu Q, Fettinger JC, Vasko P, Power PP. Interactions of a Diplumbyne with Dinuclear Transition Metal Carbonyls to Afford Metalloplumbylenes. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00659] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Qihao Zhu
- Department of Chemistry, University of California, Davis, California 95616, United States
| | - James C. Fettinger
- Department of Chemistry, University of California, Davis, California 95616, United States
| | - Petra Vasko
- Department of Chemistry, Nanoscience Center, University of Jyvaskyla, University of Jyväskylä, P.O. Box 35, FI-40014 , Jyväskylä, Finland
| | - Philip P. Power
- Department of Chemistry, University of California, Davis, California 95616, United States
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5
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Lai Q, Bhuvanesh N, Ozerov OV. Unexpected B/Al Transelementation within a Rh Pincer Complex. J Am Chem Soc 2020; 142:20920-20923. [DOI: 10.1021/jacs.0c09344] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Qingheng Lai
- Department of Chemistry, Texas A&M University, 3255 TAMU, College Station, Texas 77842, United States
| | - Nattamai Bhuvanesh
- Department of Chemistry, Texas A&M University, 3255 TAMU, College Station, Texas 77842, United States
| | - Oleg V. Ozerov
- Department of Chemistry, Texas A&M University, 3255 TAMU, College Station, Texas 77842, United States
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6
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Yadav R, Hossain ME, Peedika Paramban R, Simler T, Schoo C, Wang J, Deacon GB, Junk PC, Roesky PW. 3d–4f heterometallic complexes by the reduction of transition metal carbonyls with bulky LnII amidinates. Dalton Trans 2020; 49:7701-7707. [DOI: 10.1039/d0dt01271h] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Heterometallic lanthanide-transition metal carbonyl complexes [Sm2–Co2], [Yb–Co], and [Sm2–Fe3] have been synthesized by redox reactions between bulky amidinate stabilized divalent Ln and TM carbonyl complexes.
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Affiliation(s)
- Ravi Yadav
- Institute of Inorganic Chemistry
- Karlsruhe Institute of Technology
- 76131 Karlsruhe
- Germany
| | - Md Elius Hossain
- College of Science and Engineering
- James Cook University
- Townsville
- Australia
| | | | - Thomas Simler
- Institute of Inorganic Chemistry
- Karlsruhe Institute of Technology
- 76131 Karlsruhe
- Germany
| | - Christoph Schoo
- Institute of Inorganic Chemistry
- Karlsruhe Institute of Technology
- 76131 Karlsruhe
- Germany
| | - Jun Wang
- College of Science and Engineering
- James Cook University
- Townsville
- Australia
| | | | - Peter C. Junk
- College of Science and Engineering
- James Cook University
- Townsville
- Australia
| | - Peter W. Roesky
- Institute of Inorganic Chemistry
- Karlsruhe Institute of Technology
- 76131 Karlsruhe
- Germany
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Yadav R, Simler T, Gamer MT, Köppe R, Roesky PW. Rhenium is different: CO tetramerization induced by a divalent lanthanide complex in rhenium carbonyls. Chem Commun (Camb) 2019; 55:5765-5768. [DOI: 10.1039/c9cc02350j] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The reduction of M2(CO)10 (M = Mn, Re) with different divalent lanthanide (Ln = Sm, Yb) compounds was investigated.
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Affiliation(s)
- Ravi Yadav
- Institute of Inorganic Chemistry
- Karlsruhe Institute of Technology
- 76131 Karlsruhe
- Germany
| | - Thomas Simler
- Institute of Inorganic Chemistry
- Karlsruhe Institute of Technology
- 76131 Karlsruhe
- Germany
| | - Michael T. Gamer
- Institute of Inorganic Chemistry
- Karlsruhe Institute of Technology
- 76131 Karlsruhe
- Germany
| | - Ralf Köppe
- Institute of Inorganic Chemistry
- Karlsruhe Institute of Technology
- 76131 Karlsruhe
- Germany
| | - Peter W. Roesky
- Institute of Inorganic Chemistry
- Karlsruhe Institute of Technology
- 76131 Karlsruhe
- Germany
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Shieh M, Liu YH, Li YH, Lin RY. Metal carbonyl cluster-based coordination polymers: diverse syntheses, versatile network structures, and special properties. CrystEngComm 2019. [DOI: 10.1039/c9ce01539f] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This highlight surveys recent progress in groups 6–10 metal carbonyl cluster-based coordination polymers, focusing on diverse synthetic strategies, versatile structures, structural transformations, and semiconducting as well as magnetic properties.
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Affiliation(s)
- Minghuey Shieh
- Department of Chemistry
- National Taiwan Normal University
- Taipei 11677
- Republic of China
| | - Yu-Hsin Liu
- Department of Chemistry
- National Taiwan Normal University
- Taipei 11677
- Republic of China
| | - Yu-Huei Li
- Department of Chemistry
- National Taiwan Normal University
- Taipei 11677
- Republic of China
| | - Ru Yan Lin
- Department of Chemistry
- National Taiwan Normal University
- Taipei 11677
- Republic of China
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Dickie CM, Nippe M. Magnetization dynamics of a heterometallic Dy-isocarbonyl complex. Inorg Chem Front 2016. [DOI: 10.1039/c5qi00224a] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Slow magnetic relaxation is observed for the first structurally characterized Dy-isocarbonyl complex.
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Affiliation(s)
| | - Michael Nippe
- Department of Chemistry
- Texas A&M University
- College Station
- USA
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10
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Luminescent 4f and d-4f polynuclear complexes and coordination polymers with flexible salen-type ligands. Coord Chem Rev 2014. [DOI: 10.1016/j.ccr.2013.11.012] [Citation(s) in RCA: 134] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Chen J, Yang GP, Huang WH, Pang LY, Zhang CP, Wang YY, Shi QZ. The nature of the metal ions influenced formation of coordination polymers based on asymmetric semi-rigid 3-(4-carboxyphenoxy)phthalic acid with N-heterocyclic ligands. Inorganica Chim Acta 2013. [DOI: 10.1016/j.ica.2013.01.037] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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12
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Chen X, Lingam HK, Meyers EA, Shore SG. Structures of DMF solvated potassium and sodium salts of [Fe(CO)4]2− and [M2(CO)8]2− (M = Fe, Ru). J Organomet Chem 2012. [DOI: 10.1016/j.jorganchem.2012.07.040] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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13
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Garcia J, Allen MJ. Developments in the Coordination Chemistry of Europium(II). Eur J Inorg Chem 2012; 2012:4550-4563. [PMID: 23049283 DOI: 10.1002/ejic.201200159] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Recent advances in the coordination chemistry of Eu(2+) are reviewed. Common synthetic routes for generating discrete Eu(2+)-containing complexes reported since 2000 are summarized, followed by a description of the reactivity of these complexes and their applications in reduction chemistry, polymerization, luminescence, and as contrast agents for magnetic resonance imaging. Rapid development of the coordination chemistry of Eu(2+) has led to an upsurge in the utilization of Eu(2+)-containing complexes in synthetic chemistry, materials science, and medicine.
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Affiliation(s)
- Joel Garcia
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, MI 48202, USA
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Cai SL, Zheng SR, Wen ZZ, Fan J, Zhang WG. Construction of luminescent three-dimensional Ln(iii)–Zn(ii) heterometallic coordination polymers based on 2-pyridyl imidazole dicarboxylate. CrystEngComm 2012. [DOI: 10.1039/c2ce25803j] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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15
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Gao T, Li GM, Gao P, Sun WB, Xu H, Wang C, Hou GF, Yan PF. Three-Dimensional Heteropolynuclear Zn4Ln2 Coordination Frameworks: Structure and NIR Luminescent Properties. Z Anorg Allg Chem 2011. [DOI: 10.1002/zaac.201100236] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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16
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Zhu X, Wong W, Wong W, Yang X. Design and Synthesis of Near‐Infrared Emissive Lanthanide Complexes Based on Macrocyclic Ligands. Eur J Inorg Chem 2011. [DOI: 10.1002/ejic.201100481] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Xunjin Zhu
- Institute of Molecular Functional Materials (Areas of Excellence Scheme University Grants Committee, Hong Kong) and Department of Chemistry and Centre for Advanced Luminescence Materials, Hong Kong Baptist University, Waterloo Road, Hong Kong, P. R. China
| | - Wai‐Kwok Wong
- Institute of Molecular Functional Materials (Areas of Excellence Scheme University Grants Committee, Hong Kong) and Department of Chemistry and Centre for Advanced Luminescence Materials, Hong Kong Baptist University, Waterloo Road, Hong Kong, P. R. China
| | - Wai‐Yeung Wong
- Institute of Molecular Functional Materials (Areas of Excellence Scheme University Grants Committee, Hong Kong) and Department of Chemistry and Centre for Advanced Luminescence Materials, Hong Kong Baptist University, Waterloo Road, Hong Kong, P. R. China
| | - Xiaoping Yang
- Department of Chemistry and Biochemistry, The University of Texas at Austin, 1 University Station A5300, Austin, Texas 78712‐0165, USA, Fax: +1‐852‐3411‐7348
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17
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Zacchini S. Using Metal Carbonyl Clusters To Develop a Molecular Approach towards Metal Nanoparticles. Eur J Inorg Chem 2011. [DOI: 10.1002/ejic.201100462] [Citation(s) in RCA: 89] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Stefano Zacchini
- Dipartimento di Chimica Fisica ed Inorganica, Università di Bologna, Viale Risorgimento 4‐40136 Bologna, Italy, Fax: +39‐0512093690
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18
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Bridging complexes of rare earth and cobalt cluster as catalyst precursors for Fischer-Tropsch synthesis. J RARE EARTH 2011. [DOI: 10.1016/s1002-0721(10)60458-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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19
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Femoni C, Iapalucci MC, Longoni G, Zacchini S. The chemistry of hydridocarbonylferrates revisited: syntheses and structures of the new [H2Fe4(CO)12]2− and [HFe5(CO)14]3− anions, and the [Fe(DMF)4][Fe4(CO)12(μ5-η2-CO)(μ-H)]2 adduct containing an unprecedented isocarbonyl. Dalton Trans 2011; 40:8685-94. [DOI: 10.1039/c1dt10648a] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Yang X, Lam D, Chan C, Stanley JM, Jones RA, Holliday BJ, Wong WK. Construction of 1-D 4f and 3d–4f coordination polymers with flexible Schiff base ligands. Dalton Trans 2011; 40:9795-801. [DOI: 10.1039/c1dt11036e] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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21
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Syntheses, structures, and magnetic properties of 3d–4f heterometallic complexes constructed from pyrazole-bridged CuIILnIII dinuclear units. Inorganica Chim Acta 2009. [DOI: 10.1016/j.ica.2009.03.025] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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22
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Ye J, Su H, Bai F, Du Y, Zhang Y. Synthesis, crystal structure and properties of a new lanthanide-transition metal carbonyl cluster. Appl Organomet Chem 2009. [DOI: 10.1002/aoc.1476] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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23
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Zhao B, Chen XY, Chen Z, Shi W, Cheng P, Yan SP, Liao DZ. A porous 3D heterometal-organic framework containing both lanthanide and high-spin Fe(ii) ions. Chem Commun (Camb) 2009:3113-5. [DOI: 10.1039/b821496d] [Citation(s) in RCA: 130] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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24
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Shieh M, Ho CH, Sheu WS, Chen BG, Chu YY, Miu CY, Liu HL, Shen CC. Semiconducting Tellurium−Iron−Copper Carbonyl Polymers. J Am Chem Soc 2008; 130:14114-6. [DOI: 10.1021/ja8065623] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Minghuey Shieh
- Departments of Chemistry and Physics, National Taiwan Normal University Taipei 116, Taiwan, Republic of China, and Department of Chemistry, Fu-Jen Catholic University, Hsinchuang Taipei 242, Taiwan, Republic of China
| | - Chia-Hua Ho
- Departments of Chemistry and Physics, National Taiwan Normal University Taipei 116, Taiwan, Republic of China, and Department of Chemistry, Fu-Jen Catholic University, Hsinchuang Taipei 242, Taiwan, Republic of China
| | - Wen-Shyan Sheu
- Departments of Chemistry and Physics, National Taiwan Normal University Taipei 116, Taiwan, Republic of China, and Department of Chemistry, Fu-Jen Catholic University, Hsinchuang Taipei 242, Taiwan, Republic of China
| | - Bo-Gaun Chen
- Departments of Chemistry and Physics, National Taiwan Normal University Taipei 116, Taiwan, Republic of China, and Department of Chemistry, Fu-Jen Catholic University, Hsinchuang Taipei 242, Taiwan, Republic of China
| | - Yen-Yi Chu
- Departments of Chemistry and Physics, National Taiwan Normal University Taipei 116, Taiwan, Republic of China, and Department of Chemistry, Fu-Jen Catholic University, Hsinchuang Taipei 242, Taiwan, Republic of China
| | - Chia-Yeh Miu
- Departments of Chemistry and Physics, National Taiwan Normal University Taipei 116, Taiwan, Republic of China, and Department of Chemistry, Fu-Jen Catholic University, Hsinchuang Taipei 242, Taiwan, Republic of China
| | - Hsiang-Lin Liu
- Departments of Chemistry and Physics, National Taiwan Normal University Taipei 116, Taiwan, Republic of China, and Department of Chemistry, Fu-Jen Catholic University, Hsinchuang Taipei 242, Taiwan, Republic of China
| | - Chih-Chiang Shen
- Departments of Chemistry and Physics, National Taiwan Normal University Taipei 116, Taiwan, Republic of China, and Department of Chemistry, Fu-Jen Catholic University, Hsinchuang Taipei 242, Taiwan, Republic of China
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25
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Femoni C, Iapalucci MC, Longoni G, Ranuzzi F, Zacchini S, Fedi S, Zanello P. Condensation of Nickel–Carbonyl Clusters with Soft Lewis Acids: Synthesis and Characterisation of the {Cd2Cl3[Ni6(CO)12]2}3– Dimer. Eur J Inorg Chem 2007. [DOI: 10.1002/ejic.200700159] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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26
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Femoni C, Kaswalder F, Iapalucci MC, Longoni G, Mehlstäubl M, Zacchini S, Ceriotti A. Synthesis and crystal structure of [NBu4]2[Pt24(CO)48]: an infinite 1D stack of {Pt3(CO)6} units morphologically resembling a CO-insulated platinum cable. Angew Chem Int Ed Engl 2007; 45:2060-2. [PMID: 16493715 DOI: 10.1002/anie.200503495] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Cristina Femoni
- Dipartimento di Chimica Fisica ed Inorganica viale Risorgimento 4, 40136 Bologna, Italy
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Shi W, Chen XY, Zhao B, Yu A, Song HB, Cheng P, Wang HG, Liao DZ, Yan SP. Construction of 3d-4f mixed-metal complexes based on a binuclear oxovanadium unit: synthesis, crystal structure, EPR, and magnetic properties. Inorg Chem 2007; 45:3949-57. [PMID: 16676953 DOI: 10.1021/ic051979y] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The oxovanadium(IV)-lanthanide(III) heteronuclear complexes, [[Ce(H2O)7(VO)(TTHA)0.5][(VO)2(TTHA)]].8H2O (2), [Pr(H2O)7(VO)3(TTHA)1.5].10H2O (3), and [Nd(H2O)7(VO)3(TTHA)(1.5)].10H2O (4) (H6TTHA = triethylenetetraaminehexaacetic acid), were prepared based on a binuclear building block of [(VO)2(TTHA)]2- in [VO(H2O)5][(VO)2TTHA].4H2O (1). The X-ray crystallographic studies show that 1 is an ion-pair complex, containing the [(VO)2(TTHA)]2- unit as a useful building block. Adding the light Ln3+ ions to this synthesis system, three new 3d-4f mixed-metal-based complexes were obtained. Although the light lanthanide ions always exhibit similar chemical behavior, the structures of 2-4 are not homologous. 2 is exhibited as a one-dimensional coordination polymer, comprising an unusual Ce2V2 heterometallic lattice in the chain structure, which is the second report of a oxovanadium(IV)-lanthanide(III) coordination polymer. 3 and 4 are isomorphic, every two of the Ln3+ cations linked three [(VO)2(TTHA)]2- anions, forming an interesting linear octanuclear structure. This kind of heteronuclear linear complex is rather rare, which expands the realm of 3d-4f complexes. Further investigations such as IR spectra, UV-vis spectra, magnetic properties, and EPR spectra were studied, and a detailed discussion is given for this system.
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Affiliation(s)
- Wei Shi
- Department of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
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Infinite Molecular {[Pt3n(CO)6n]2–}∞ Conductor Wires by Self-Assembly of [Pt3n(CO)6n]2– (n = 5–8) Cluster Dianions Formally Resembling CO-Sheathed Three-Platinum Cables. Eur J Inorg Chem 2007. [DOI: 10.1002/ejic.200700097] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Poplaukhin PV, Chen X, Meyers EA, Shore SG. Lanthanide−Transition Metal Carbonyl Complexes: Condensation of Solvent-Separated Ion-Pair Compounds into Extended Structures. Inorg Chem 2006; 45:10115-25. [PMID: 17140217 DOI: 10.1021/ic060756k] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
New solvent-separated ion-pair compounds and extended structures containing ytterbium(II)-transition metal isocarbonyl linkages were synthesized. [Yb(THF)6][M(CO)5]2 (1, M = Mn; 2, M = Re) were prepared via transmetalation reactions between Yb metal and Hg[M(CO)5]2 in THF. Reflux of 1 in Et2O afforded {Yb(THF)2(Et2O)2[(mu-CO)2Mn(CO)3]2}infinity (3) which is a sheet-layer structure. In ether solution, 3 is converted to {Yb(THF)4[(mu-CO)2Mn(CO)3]2}infinity (4) which has a linear structure. In both 3 and 4, ytterbium is 8-coordinated (distorted square antiprism geometry), four coordination sites occupied by molecules of solvent and four more by oxygen atoms of isocarbonyl linkages. The [Mn(CO)5]- anion has trigonal bipyramidal geometry and is linked to ytterbium through two equatorial carbonyls. The formation of two minor products, (THF)2Mn3(CO)10 (5) and [(THF)5Yb(mu-CO)Mn3(CO)13][Mn3(CO)14] (6), was observed during condensation of 1 into 3 and 4.
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Affiliation(s)
- Pavel V Poplaukhin
- Department of Chemistry, The Ohio State University, Columbus, Ohio 43210, USA
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Femoni C, Iapalucci MC, Kaswalder F, Longoni G, Zacchini S. The possible role of metal carbonyl clusters in nanoscience and nanotechnologies. Coord Chem Rev 2006. [DOI: 10.1016/j.ccr.2006.03.011] [Citation(s) in RCA: 118] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Femoni C, Kaswalder F, Iapalucci MC, Longoni G, Mehlstäubl M, Zacchini S, Ceriotti A. Synthesis and Crystal Structure of [NBu4]2[Pt24(CO)48]: An Infinite 1D Stack of {Pt3(CO)6} Units Morphologically Resembling a CO-Insulated Platinum Cable. Angew Chem Int Ed Engl 2006. [DOI: 10.1002/ange.200503495] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Femoni C, Kaswalder F, Iapalucci MC, Longoni G, Zacchini S. Copolymerisation of Pt–carbonyl clusters with Lewis acids: synthesis and crystal structure of the molecular {Cd2Cl4[Pt9(CO)18]2−}∞1-D polymer. Chem Commun (Camb) 2006:2135-7. [PMID: 16703132 DOI: 10.1039/b602593e] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Reaction of [NBu4]2[Pt9(CO)18] with the soft Lewis acid CdCl2 gives the [Pt9(CO)18(micro3-CdCl2)2]2- adduct, which self-assembles upon crystallization into a 1-D [[Pt9(CO)18(micro3-CdCl2)2]2-]infinity polymer via the formation of chloride bridges.
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Affiliation(s)
- Cristina Femoni
- Dipartimento di Chimica Fisica ed Inorganica, Università di Bologna, viale Risorgimento 4, 40136 Bologna, Italy
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Lanthanide–transition metal carbonyl complexes: architectures derived from isocarbonyl polymeric arrays. CR CHIM 2005. [DOI: 10.1016/j.crci.2005.03.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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