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Sugiarto, Mitsuhashi R, Sadakane M. Reactivity of Organoiridium Tungsten Oxide Clusters with Transition Metal Aquo Cations. Inorg Chem 2024; 63:5672-5680. [PMID: 38468598 DOI: 10.1021/acs.inorgchem.4c00076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/13/2024]
Abstract
Organometallic-polyoxometalate (POM) complexes form a unique class of molecular organometallic oxides characterized by the dynamic behavior of the organometallic cations. Herein, we investigated the reactivity of Cp*Ir-octatungstate clusters (where Cp* represents pentamethylcyclopentadienyl, C5Me5-) with Werner-type transition-metal aquo cations. The addition of Ag+, Co2+, Ni2+, and M3+ (M = Cr, Fe, or In) cations to the aqueous solution of Cp*Ir-octatungstate clusters resulted in the formation of [{Ag(OH2)2}2{Cp*Ir(OH2)}2{Cp*IrW3O12(OH)}2(WO2)2] (1), Co1.5K0.8Na0.2[{trans-Co(OH2)2}{Cp*IrW3O12(OH)}2(WO2)1.3{cis-Co(OH2)2}0.7] (2-Co), Ni0.2K1.4Na0.2[{Ni(OH2)4}2{Cp*IrW3O12(OH)}2(WO2)1.1{cis-Ni(OH2)2}0.9] (2-Ni), and [{M(OH2)4}2{Cp*IrW3O12(OH)}2{cis-M(OH2)2}2](NO3)2 (M = Cr, 3-Cr; Fe, 3-Fe; or In, 3-In), respectively. All clusters share the same cubane-type {Cp*IrW3O12(OH)}5- building block, representing the first examples of organoiridium-POMs functionalized by transition-metal aquo cations. These compounds are insoluble in water, facilitating the evaluation of their heterogeneous water-oxidation properties. Notably, 2-Co generates the highest catalytic water oxidation current. This work provides a new synthetic method to introduce metal-aquo complexes on an organometallic oxide cluster, producing multimetallic molecules that model the catalytic sites of complex oxides.
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Affiliation(s)
- Sugiarto
- Department of Applied Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima 739-8527, Japan
| | - Ryoji Mitsuhashi
- Institute of Liberal Arts and Science, Kanazawa University, Kakuma, Kanazawa 920-1192, Japan
| | - Masahiro Sadakane
- Department of Applied Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima 739-8527, Japan
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Chakraborty S, Petel BE, Schreiber E, Matson EM. Atomically precise vanadium-oxide clusters. NANOSCALE ADVANCES 2021; 3:1293-1318. [PMID: 36132875 PMCID: PMC9419539 DOI: 10.1039/d0na00877j] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 01/19/2021] [Indexed: 05/08/2023]
Abstract
Polyoxovanadate (POV) clusters are an important subclass of polyoxometalates with a broad range of molecular compositions and physicochemical properties. One relatively underdeveloped application of these polynuclear assemblies involves their use as atomically precise, homogenous molecular models for bulk metal oxides. Given the structural and electronic similarities of POVs and extended vanadium oxide materials, as well as the relative ease of modifying the homogenous congeners, investigation of the chemical and physical properties of pristine and modified cluster complexes presents a method toward understanding the influence of structural modifications (e.g. crystal structure/phase, chemical makeup of surface ligands, elemental dopants) on the properties of extended solids. This review summarises recent advances in the use of POV clusters as atomically precise models for bulk metal oxides, with particular focus on the assembly of vanadium oxide clusters and the consequences of altering the molecular composition of the assembly via organofunctionalization and the incorporation of elemental "dopants".
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Affiliation(s)
| | - Brittney E Petel
- University of Rochester, Department of Chemistry Rochester NY 14627 USA
| | - Eric Schreiber
- University of Rochester, Department of Chemistry Rochester NY 14627 USA
| | - Ellen M Matson
- University of Rochester, Department of Chemistry Rochester NY 14627 USA
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Sun Y, Xu Y, Liu S, Wang J, Gao D, Zhang G. Four inorganic–organic hybrid complexes built from tetravanadate and macrocyclic oxamide. J COORD CHEM 2013. [DOI: 10.1080/00958972.2013.807922] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Yaqiu Sun
- a Tianjin Key Laboratory of Structure and Performance for Functional Molecules; Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education; College of Chemistry , Tianjin Normal University , Tianjin , People’s Republic of China
| | - Yanyan Xu
- a Tianjin Key Laboratory of Structure and Performance for Functional Molecules; Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education; College of Chemistry , Tianjin Normal University , Tianjin , People’s Republic of China
| | - Shangyuan Liu
- a Tianjin Key Laboratory of Structure and Performance for Functional Molecules; Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education; College of Chemistry , Tianjin Normal University , Tianjin , People’s Republic of China
| | - Jing Wang
- a Tianjin Key Laboratory of Structure and Performance for Functional Molecules; Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education; College of Chemistry , Tianjin Normal University , Tianjin , People’s Republic of China
| | - Dongzhao Gao
- a Tianjin Key Laboratory of Structure and Performance for Functional Molecules; Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education; College of Chemistry , Tianjin Normal University , Tianjin , People’s Republic of China
| | - Guoying Zhang
- a Tianjin Key Laboratory of Structure and Performance for Functional Molecules; Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education; College of Chemistry , Tianjin Normal University , Tianjin , People’s Republic of China
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Nishio M, Inami S, Hayashi Y. Early‐Lanthanide Complexes with All‐Inorganic Macrocyclic Polyoxovanadate Ligands. Eur J Inorg Chem 2013. [DOI: 10.1002/ejic.201201435] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Masaki Nishio
- Department of Chemistry, Graduate School of Natural Science and Technology, Kakuma, Kanazawa 920‐1192, Japan, Fax: +81‐76‐264‐5742, http://chem.s.kanazawa‐u.ac.jp/e/
| | - Shinnosuke Inami
- Department of Chemistry, Graduate School of Natural Science and Technology, Kakuma, Kanazawa 920‐1192, Japan, Fax: +81‐76‐264‐5742, http://chem.s.kanazawa‐u.ac.jp/e/
| | - Yoshihito Hayashi
- Department of Chemistry, Graduate School of Natural Science and Technology, Kakuma, Kanazawa 920‐1192, Japan, Fax: +81‐76‐264‐5742, http://chem.s.kanazawa‐u.ac.jp/e/
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Hayashi Y. Hetero and lacunary polyoxovanadate chemistry: Synthesis, reactivity and structural aspects. Coord Chem Rev 2011. [DOI: 10.1016/j.ccr.2011.02.013] [Citation(s) in RCA: 140] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Izarova NV, Vankova N, Banerjee A, Jameson GB, Heine T, Schinle F, Hampe O, Kortz U. A noble-metalate bowl: the polyoxo-6-vanado(V)-7-palladate(II) [Pd7V6O24(OH)2]6-. Angew Chem Int Ed Engl 2011; 49:7807-11. [PMID: 20839194 DOI: 10.1002/anie.201001738] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Natalya V Izarova
- Jacobs University, School of Engineering and Science, Postfach 750561, 28725 Bremen, Germany
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Reuter H, Izaaryene M. Monoorganotin–polyoxometal-compounds. Part IV: Na2[(iPrSn3)(OV)4O10(OH)3]·5H2O·3DMSO, a novel branched tetravanadate(V) stabilized by a trimeric monoorganotin-oxo-hydroxo unit. Inorganica Chim Acta 2010. [DOI: 10.1016/j.ica.2010.07.055] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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9
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Izarova NV, Vankova N, Banerjee A, Jameson GB, Heine T, Schinle F, Hampe O, Kortz U. Edelmetallatschale: Das Polyoxo-6-vanado(V)-7-palladat(II) [Pd7V6O24(OH)2]6−. Angew Chem Int Ed Engl 2010. [DOI: 10.1002/ange.201001738] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Laurencin D, Thouvenot R, Boubekeur K, Villain F, Villanneau R, Rohmer MM, Bénard M, Proust A. Experimental and Computational Study of the Framework Fluxionality of Organometallic Derivatives of Polyoxometalates: Analysis of the Effect of the Metal and of the Solvent. Organometallics 2009. [DOI: 10.1021/om8011568] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Danielle Laurencin
- Institut Parisien de Chimie Moléculaire, UMR 7201, Case courrier 42, Université Pierre et Marie Curie Paris 6, 4 place Jussieu, 75252 Paris Cedex 05, France, and Institut de Chimie, UMR 7177, Université de Strasbourg, 4 rue Blaise Pascal, 67000 Strasbourg, France
| | - René Thouvenot
- Institut Parisien de Chimie Moléculaire, UMR 7201, Case courrier 42, Université Pierre et Marie Curie Paris 6, 4 place Jussieu, 75252 Paris Cedex 05, France, and Institut de Chimie, UMR 7177, Université de Strasbourg, 4 rue Blaise Pascal, 67000 Strasbourg, France
| | - Kamal Boubekeur
- Institut Parisien de Chimie Moléculaire, UMR 7201, Case courrier 42, Université Pierre et Marie Curie Paris 6, 4 place Jussieu, 75252 Paris Cedex 05, France, and Institut de Chimie, UMR 7177, Université de Strasbourg, 4 rue Blaise Pascal, 67000 Strasbourg, France
| | - Françoise Villain
- Institut Parisien de Chimie Moléculaire, UMR 7201, Case courrier 42, Université Pierre et Marie Curie Paris 6, 4 place Jussieu, 75252 Paris Cedex 05, France, and Institut de Chimie, UMR 7177, Université de Strasbourg, 4 rue Blaise Pascal, 67000 Strasbourg, France
| | - Richard Villanneau
- Institut Parisien de Chimie Moléculaire, UMR 7201, Case courrier 42, Université Pierre et Marie Curie Paris 6, 4 place Jussieu, 75252 Paris Cedex 05, France, and Institut de Chimie, UMR 7177, Université de Strasbourg, 4 rue Blaise Pascal, 67000 Strasbourg, France
| | - Marie-Madeleine Rohmer
- Institut Parisien de Chimie Moléculaire, UMR 7201, Case courrier 42, Université Pierre et Marie Curie Paris 6, 4 place Jussieu, 75252 Paris Cedex 05, France, and Institut de Chimie, UMR 7177, Université de Strasbourg, 4 rue Blaise Pascal, 67000 Strasbourg, France
| | - Marc Bénard
- Institut Parisien de Chimie Moléculaire, UMR 7201, Case courrier 42, Université Pierre et Marie Curie Paris 6, 4 place Jussieu, 75252 Paris Cedex 05, France, and Institut de Chimie, UMR 7177, Université de Strasbourg, 4 rue Blaise Pascal, 67000 Strasbourg, France
| | - Anna Proust
- Institut Parisien de Chimie Moléculaire, UMR 7201, Case courrier 42, Université Pierre et Marie Curie Paris 6, 4 place Jussieu, 75252 Paris Cedex 05, France, and Institut de Chimie, UMR 7177, Université de Strasbourg, 4 rue Blaise Pascal, 67000 Strasbourg, France
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Kurata T, Hayashi Y, Isobe K. Tetrahedral Cobalt(II) and Zinc(II) Chloride with Tetravanadate through a Tripod Coordination Mode. CHEM LETT 2009. [DOI: 10.1246/cl.2009.218] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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12
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Laurencin D, Thouvenot R, Boubekeur K, Proust A. Synthesis and reactivity of {Ru(p-cymene)}2+derivatives of [Nb6O19]8−: a rational approach towards fluxional organometallic derivatives of polyoxometalates. Dalton Trans 2007:1334-45. [PMID: 17372649 DOI: 10.1039/b617390j] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Three {Ru(p-cym)}(2+) (p-cym = p-cymene) derivatives of [Nb(6)O(19)](8-)-[Nb(6)O(19){Ru(p-cym)}](6-) (Nb(6)Ru(1)), trans-[Nb(6)O(19){Ru(p-cym)}(2)](4-) (t-Nb6Ru2), and [Nb(6)O(19){Ru(p-cym)}(4)] (Nb(6)Ru(4))--have been synthesized in water by reaction between [Ru(p-cym)Cl(2)](2) and the hexaniobate. In the solid state, Nb(6)Ru(1) and Nb(6)Ru(4) have been characterized by IR and EDX spectroscopies, whereas t-Nb(6)Ru(2) has been characterized by IR spectroscopy and single-crystal X-ray diffraction (crystal data for K(4)-trans-[Nb(6)O(19){Ru(p-cym)}(2)].14H(2)O (K(4)-t-Nb(6)Ru(2).14H(2)O). In solution, all compounds were characterized by (1)H NMR and ESI mass spectrometry analyses, and Nb(6)Ru(1) was also analyzed by (17)O NMR. These studies allowed a comparison of the differences in behaviour of the three complexes in water: Nb(6)Ru(1) is particularly stable, Nb(6)Ru(4) decomposes by loss of {Ru(p-cym)}(2+) fragments, and trans-[Nb(6)O(19){Ru(p-cym)}(2)](4-) isomerizes into cis-[Nb(6)O(19){Ru(p-cym)}(2)](4-). A rational mechanism for the isomerisation of t-Nb(6)Ru(2) is proposed on the basis of a kinetic study.
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Affiliation(s)
- Danielle Laurencin
- Laboratoire de Chimie Inorganique et Matériaux Moléculaires, UMR 7071, Université Pierre et Marie Curie-Paris6, Case 42, 4 place Jussieu, 75252, Paris Cedex 05, France
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Kamimura S, Kuwata S, Iwasaki M, Ishii Y. Synthesis and Characterization of Cyclotetraphosphato Complexes of Rh(I), Ir(I), Ru(II), and Pd(II). Inorg Chem 2003; 43:399-401. [PMID: 14730998 DOI: 10.1021/ic0350382] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The cyclotetraphosphate ion (P(4)O(12)(4)(-)) as a PPN (PPN = (PPh(3))(2)N(+)) salt reacts with [MCl(cod)](2) (M = Rh, Ir; cod = 1,5-cyclooctadiene) to give the dinuclear complexes (PPN)(2)[[M(cod)](2)(P(4)O(12))], in which the two metal moieties are situated trans to each other with respect to the P(4)O(4) ring in the solid state. In solution, however, these complexes exist as mixtures of trans and cis isomers. On the other hand, the P(4)O(12)(4)(-) ion reacts with 4 equiv of [Rh(cod)(MeCN)(x)](+) cation to give the tetranuclear complex [[Rh(cod)](4)(P(4)O(12))], where the four Rh(cod) fragments are bound to the P(4)O(12) platform alternately on both sides of the P(4)O(4) ring. Dinuclear P(4)O(12) complexes of ruthenium and palladium are also synthesized.
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Affiliation(s)
- Sou Kamimura
- Institute of Industrial Science, The University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8505, Japan
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Artero V, Proust A, Herson P, Villain F, Cartier dit Moulin C, Gouzerh P. Synthesis and Characterization of the First Carbene Derivative of a Polyoxometalate. J Am Chem Soc 2003; 125:11156-7. [PMID: 16220911 DOI: 10.1021/ja036257p] [Citation(s) in RCA: 111] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Reaction of the Keggin-type polyanion [PW11O39]7- with the tetrakis-carbene ruthenium precursor [RuLMe4Cl2] (LMe = 1,3-dimethylimidazolidine-2-ylidene), in water, results in the formation of Na4K9[(PW9O34)2(cis-WO2)(cis-RuLMe2)].23H2O, which is the first carbene derivative of a polyoxometalate. The oxidation state of the ruthenium is confirmed by XANES experiments.
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Affiliation(s)
- Vincent Artero
- Laboratoire de Chimie Inorganique et Matériaux Moléculaires (UMR CNRS 7071), Université Pierre et Marie Curie, 4, place Jussieu, Case 42, 75252 Paris Cedex 05, France
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Khenkin AM, Shimon LJW, Neumann R. Preparation and characterization of new ruthenium and osmium containing polyoxometalates, [M(DMSO)3Mo7O24](4-) (M = Ru(II), Os(II)), and their use as catalysts for the aerobic oxidation of alcohols. Inorg Chem 2003; 42:3331-9. [PMID: 12739975 DOI: 10.1021/ic026003p] [Citation(s) in RCA: 75] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A new heptamolybdate polyoxometalate structure containing ruthenium(II) or osmium(II) metal centers, [M(II)(DMSO)(3)Mo(7)O(24)](4-) (M = Ru, Os), was synthesized by reaction between (NH(4))(6)Mo(7)O(24) and cis-M(DMSO)(4)Cl(2). X-ray structure analysis revealed the complexes to contain a ruthenium/osmium center in a trigonal antiprismatic coordination mode bound to three DMSO moieties via the sulfur atom of DMSO and three oxygen atoms of the new heptamolybdate species. The heptamolybdate consists of seven condensed edge-sharing MoO(6) octahedra with C(2v) symmetry. Three Mo atoms are in classic type II octahedra with a cis dioxo configuration. Two Mo atoms are also type-II-like, but one of the short Mo-O bonds is associated with bridging oxygen atoms rather than terminal oxygen atoms. Two molybdenum atoms are unique in that they are in a trigonally distorted octahedral configuration with three short Mo-O bonds and two intermediate-long M-O bonds and one long Mo-O bond. The [M(II)(DMSO)(3)Mo(7)O(24)](4-) polyoxometalates were effective and in some cases highly selective catalysts for the aerobic oxidation of alcohols to ketones/aldehydes. The integrity of the polyoxometalate was apparently retained at high turnover numbers and throughout the reaction, and a variation of an oxometal type mechanism was proposed to explain the results.
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Affiliation(s)
- Alexander M Khenkin
- Department of Organic Chemistry and Division of Chemical Services, Weizmann Institute of Science, Israel, 76100
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Artero V, Proust A, Herson P, Gouzerh P. Interplay of cubic building blocks in (et6-arene)ruthenium-containing tungsten and molybdenum oxides. Chemistry 2001; 7:3901-10. [PMID: 11596932 DOI: 10.1002/1521-3765(20010917)7:18<3901::aid-chem3901>3.0.co;2-3] [Citation(s) in RCA: 62] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
A series of molybdenum and tungsten organometallic oxides containing [Ru(arene)]2+ units (arene =p-cymene, C6Me6) was obtained by condensation of [[Ru(arene)Cl2]2] with oxomolybdates and oxotungstates in aqueous or nonaqueous solvents. The crystal structures of [[Ru(eta6-C6Me6]]4W4O16], [[Ru(eta6-p-MeC6H4iPr]]4W2O10], [[[Ru-(eta6-p-MeC6H4iPr)]2(mu-OH)3]2][[Ru(eta6-p-MeC6H4iPr)]2W8O28(OH)2[Ru(eta6-p-MeC6H4iPr)(H2O)]2], and [[Ru(eta6-C6Me6)]2M5O18[Ru(eta6-C6Me6)(H2O)]] (M = Mo, W) have been determined. While the windmill-type clusters [[Ru(eta6-arene)]4(MO3)4(mu3-O)4] (M = Mo, W; arene =p-MeC6H4iPr, C6Me6), the face-sharing double cubane-type cluster [[Ru(eta6-p-MeC6H4iPr)]4(WO2)2(mu3-O)4(mu4-O)2], and the dimeric cluster [[Ru(eta6-p-MeC6H4iPr)(WO3)3(mu3-O)3(mu3-OH)Ru(eta6-pMeC6H4iPr)(H2O)]2(mu-WO2)2]2- are based on cubane-like units, [(Ru(eta6-C6Me6)]2M5O18[Ru(eta6-C6Me6)(H2O)]] (M = Mo, W) are more properly described as lacunary Lindqvist-type polyoxoanions supporting three ruthenium centers. Precubane clusters [[Ru(eta6-arene)](MO3)2(mu-O)3(mu3-O)]6- are possible intermediates in the formation of these clusters. The cluster structures are retained in solution, except for [[Ru(eta6-p-MeC6H4iPr)]4Mo4O16], which isomerizes to the triple-cubane form.
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Affiliation(s)
- V Artero
- Laboratoire de Chimie Inorganique et Matériaux Moléculaires, Unité CNRS 7071, Université Pierre et Marie Curie, Paris, France
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Hayashi Y, Miyakoshi N, Shinguchi T, Uehara A. A Stepwise Growth of Polyoxovanadate by Reductive Coupling Reaction with Organometallic Palladium Complex: Formation of [{(η3-C4H7)Pd}2V4O12]2−, [V10O26]4−and [V15O36(Cl)]4−. CHEM LETT 2001. [DOI: 10.1246/cl.2001.170] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Law TSC, Sung HHY, Williams ID. A porous organo-ceramic solid with cyclo-tetravanadate units, [H2pn][Mn2(C2O4)(V4O12)]. INORG CHEM COMMUN 2000. [DOI: 10.1016/s1387-7003(00)00106-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Radkov EV, Young VG, Beer RH. A Polyoxometalate Transfer Reagent: Synthesis, Structure, and Reactivity of Zirconocene Polyoxometalate [(PNbW11O40)2ZrCp2]6-. J Am Chem Soc 1999. [DOI: 10.1021/ja9905039] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Emil V. Radkov
- Departments of Chemistry Fordham University, Bronx, New York 10458 Columbia University, New York, New York 10027 University of Minnesota, Minneapolis, Minnesota 55455
| | - Victor G. Young
- Departments of Chemistry Fordham University, Bronx, New York 10458 Columbia University, New York, New York 10027 University of Minnesota, Minneapolis, Minnesota 55455
| | - Robert H. Beer
- Departments of Chemistry Fordham University, Bronx, New York 10458 Columbia University, New York, New York 10027 University of Minnesota, Minneapolis, Minnesota 55455
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Xi R, Wang B, Abe M, Ozawa Y, Kinoshita I, Isobe K. Tetranuclear Mo2Rh2Complexes Obtained from Reactions between Triple Cubane-Type Oxide Cluster [(Cp*Rh)4Mo4O16] (Cp* =η5-C5(CH3)5) and Methanethiol: [{Cp*Rh(μ-SCH3)3MoO2}2(μ-O)] and [{Cp*Rh(μ-SCH3)3MoO}2(μ-X)(μ-Y)] (X, Y = O and X = O, Y = S). Synthesis, X-Ray Structures, and Dynamic Behavior in Nonaqueous Media. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 1999. [DOI: 10.1246/bcsj.72.1985] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Gouzerh P, Proust A. Main-Group Element, Organic, and Organometallic Derivatives of Polyoxometalates. Chem Rev 1998; 98:77-112. [PMID: 11851500 DOI: 10.1021/cr960393d] [Citation(s) in RCA: 588] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Pierre Gouzerh
- Laboratoire de Chimie des Métaux de Transition, URA CNRS No. 419, Université Pierre et Marie Curie, 4 Place Jussieu, 75252 Paris Cedex 05, France
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Nagata T, Pohl M, Weiner H, Finke RG. Polyoxoanion-Supported Organometallic Complexes: Carbonyls of Rhenium(I), Iridium(I), and Rhodium(I) That Are Soluble Analogs of Solid-Oxide-Supported M(CO)(n)()(+) and That Exhibit Novel M(CO)(n)()(+) Mobility. Inorg Chem 1997; 36:1366-1377. [PMID: 11669714 DOI: 10.1021/ic960910a] [Citation(s) in RCA: 61] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The Dawson-type P(2)W(15)Nb(3)O(62)(9)(-) polyoxoanion-supported Re(CO)(3)(+) complex, [Re(CO)(3).P(2)W(15)Nb(3)O(62)](8)(-) (1), has been synthesized and characterized in two different counter-cation compositions. The [(n-C(4)H(9))(4)N](8)(8+) complex provides a highly soluble compound which exists as a single isomer in solution. The carbonyl stretching infrared frequencies suggest that the P(2)W(15)Nb(3)O(62)(9)(-) ligand serves as a strong electron donor to the Re(CO)(3)(+) fragment. The P(2)W(15)Nb(3)O(62)(9)(-) polyoxoanion-supported Ir(CO)(2)(+) complex [Ir(CO)(2).P(2)W(15)Nb(3)O(62)](8)(-) (2) has also been synthesized and characterized as its octakis(tetrabutylammonium), [(n-C(4)H(9))(4)N](8)(8+), salt. This compound was characterized by NMR and IR, results which demonstrate that 2 also exists as a single isomer in solution. The [Ir(CO)(2).P(2)W(15)Nb(3)O(62)](8)(-) complex is stable in the absence of water, but decomposes quickly in the presence of even 1 equiv of water. Attempted preparation of the analogous P(2)W(15)Nb(3)O(62)(9)(-) -supported Rh(CO)(2)(+) complex (3), while monitoring by (31)P NMR, revealed that this compound is unstable in solution at room temperature. In addition, we have discovered that added Na(+) can induce the formation of non-C(3)(v)() symmetry isomers of supported Re(CO)(3)(+) and Ir(CO)(2)(+) and, by inference, supported Ir(1,5-COD)(+). When Na(+) is removed from these systems by addition of Kryptofix[2.2.2], the non-C(3)(v)() isomers convert back to the single, C(3)(v)() isomer with heating, thereby providing a model system for the little studied mobility of M(CO)(n)()(+) cations across a soluble-oxide surface. When [Rh(CO)(2).P(2)W(15)Nb(3)O(62)](8)(-) is irradiated in the presence of hydrogen and cyclohexene a novel polyoxoanion-stabilized Rh(0)(n)() nanocluster is formed, results that bear a strong analogy to Yates' work studying atomically-dispersed Rh(CO)(2)(+) on solid Al(2)O(3).(10e) Yates and co-workers observe that Rh(CO)(+).Al(2)O(3) loses a CO upon photolysis, and that the resultant Rh(CO)(1)(+).Al(2)O(3) is reduced under H(2) to form Rh(0), which in turn yields Rh(0)(n)() clusters on Al(2)O(3)-a process that, intriguingly, is largely reversible if CO is readded. Also briefly discussed is other relevant literature of solid-oxide-supported Re(CO)(3)(+) and M(CO)(2)(+) (M = Ir, Rh), literature that makes apparent the potential significance of these complexes as EXAFS and other spectroscopic models of solid-oxide-supported M(CO)(n)()(+).
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Affiliation(s)
- Toshi Nagata
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523
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