Preparation, structure and properties of dinuclear, trinuclear incomplete cuboidal and cuboidal molybdenum-selenium cluster complexes

Nasreldin, Mohamed; Henkel, Gerald; Kampmann, Gunnar; Krebs, Bernt; Lamprecht, G. J.; Routledge, Carol; Sykes, A. G.

doi:10.1039/dt9930000737

Cited by 36 publications

(29 citation statements)

References 27 publications

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“…in Table 1. 1,12 In all cases spectra and redox properties are consistent with products in the 5ϩ state. Peak positions shift to 4)᎐M( 2)᎐O( 5) O( 5)᎐M( 2)᎐O( 6) S( 1)᎐M( 2)᎐S(1A) M( 2)᎐S( 1)᎐M( 1) M( 1)᎐S( 1)᎐M(2A) M(1A)᎐S( 2)᎐M(2A) 2)᎐O( 4) M( 2)᎐O( 6) O( 3)᎐M( 1)᎐O( 2) S(2A)᎐M( 1)᎐S( 2) S( 2)᎐M( 1)᎐S( 1) O( 4)᎐M( 2)᎐O( 6) S( 1)᎐M( 2)᎐S(2A) S(2A)᎐M( 2)᎐S(1A) M( 2)᎐S( 1)᎐M(2A) M(1A)᎐S( 2)᎐M( 1) M( 1)᎐S( 2)᎐M(2A) 2) M( 1)᎐S( 1) M( 1)᎐S( 2) M( 1)᎐N( 11) M( 1)᎐N( 13) N( 13)᎐M( 1)᎐N(…”

Section: Crystal Structuresmentioning

confidence: 52%

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Preparation, structure and properties of three [MoxW4−xS4(H2O)12]5+ (x = 1–3) and [MoW3Se4(H2O)12]5+ cuboidal complexes alongside [Mo4S4(H2O)12]5+ and [Mo4Se4(H2O)12]5+

McLean¹,

Hernández-Molina²,

Sokolov³

et al. 1998

J. Chem. Soc., Dalton Trans.

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Section: Crystal Structuresmentioning

confidence: 52%

“…Selected geometric results are given in Tables 3 and 4. The M 4 S 4 central units have M᎐S distances ranging from 2.3437(10) to 2.3836 (12) Å in the aqua case, and 2.342(4) to 2.369(4) Å in the thiocyanate case. The M᎐M distances range from 2.7052(4) to 2.8793(3) Å (aqua) and 2.3814(14) to 2.8494(13) Å (thiocyanate).…”

Section: Crystal Structuresmentioning

confidence: 99%

Preparation, structure and properties of three [MoxW4−xS4(H2O)12]5+ (x = 1–3) and [MoW3Se4(H2O)12]5+ cuboidal complexes alongside [Mo4S4(H2O)12]5+ and [Mo4Se4(H2O)12]5+

McLean¹,

Hernández-Molina²,

Sokolov³

et al. 1998

J. Chem. Soc., Dalton Trans.

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“…Interestingly, addition of BH has been reported. 15 The Mo-Mo bond lengths of 2.82 Å are consistent with metal-metal bonding. For Mo 3 S 4 4ϩ structures (Table 1) the Mo-Mo distance is 2.76 Å, with smaller distances between Mo-µ 3 -S (2.34 Å) and Mo-µ-S (2.29 Å).…”

Section: Incomplete Cuboidal Clusters With M 3 Q 4 Cores 21 Preparati...mentioning

confidence: 74%

“…The different states can be accessed by cyclic voltammetry as well as controlled redox interconversions. 15,16 Also many examples of heterometallic clusters 12 are known, among them special attention has focused on the mixed-metal clusters formed by incorporation of a single metal atom into the metal depleted incomplete cube [Mo 3 S 4 (H 2 O) 9 ] 4ϩ . Solid state molybdenum compounds Mo 4 S 4 X 4 (X = Cl, Br, I) and MMo 4 Q 8 (M = Al, Ga, Q = S; M = Ga, Q = Se) are known to contain Mo 4 Q 4 cores with each Mo octahedrally coordinated by three chalcogen and three halogen atoms or six chalcogen atoms.…”

Section: Introductionmentioning

confidence: 99%

Chalcogenide-bridged cuboidal clusters with M4Q4 (M = Mo, W; Q = S, Se, Te) cores

Hernández-Molina¹,

Sykes²

1999

J. Chem. Soc., Dalton Trans.

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Cuboidal cluster complexes having M 4 Q 4 cores made up of transition and main group metals (M), and non-metallic e.g. chalcogenide elements (Q), constitute a rapidly expanding area of inorganic chemistry. Extensive preparation, structural and reactivity studies have been carried out on the Group 6 metals (M ‫؍‬ Mo, W) and chalcogenide (Q ‫؍‬ S, Se, Te) clusters, and are the main focus of this perspective. The aqueous solution chemistry provides an important reference point in considering redox and other relevant properties.

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“…Here, no route through to Mo 3 Te 4 4+ has yet been identified, and no reaction is observed with the phosphines. The Se clusters, [Mo 3 Se 4 (H 2 0) 9 ] 4+ and [Mo 4 Se 4 (H 2 0) 12 ] 5+ , have been fully characterised (32). Heterometallic complexes are obtained from [Mo 3 Se 4 (H 2 0) 9 ] 4+ , but remain to be fully characterized.…”

Section: Interconversion Of Single and Double Cubesmentioning

confidence: 99%

Heterometallic Cuboidal Complexes as Derivatives of [Mo₃S₄(H₂O)₉]⁴⁺

Saysell

Sokolov

Sykes

1996

ACS Symposium Series

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Heterometals can be incorporated into the MoIV3 trinuclear ion [Mo 3 S 4 (H2O) 9 ] 4+ to give cuboidal complexes of the kind Mo 3 MS 4 , or related edge-linked species {Mo 3 MS 4 } 2 or corner-shared Mo 3 S 4 MS 4 Mo 3 double cubes, depending on the heteroatom and conditions used. All the products are present as aqua ions in acidic solutions. Specific topics included in this overview are the interconversion of single and double cubes with, e.g,. M = Pd and Sn. The tendency of cubes with Μ = Τl and In to react with H + with the formation of H 2 is discussed. The formation and properties of chalcogenide-rich clusters Mo 3 X 7 4+ (X = S, Se, Te) is also considered.The relevance of Fe 4 S 4 clusters in biology ( /), and the synthesis of an extensive series of analogue complexes (2), has helped target the area of metal-sulfur clusters as one meriting increased attention. Whereas the Fe atoms in Fe 4 S 4 are tetrahedral and labile/highly reactive in aqueous solution, the octahedral Mo atoms in clusters [Mo 4 S 4 (H 2 0) 12 ] n+ η = 4,5,6, (3) are much more stable. It has also been noted that whereas the Fe 3 S 4 incomplete cube occurs in numerous proteins, it has until recently (4) proved difficult to synthesize, due to the readiness with which the linear FeU/-S) 2 FeU/-S) 2 Fe structure forms. The [Mo 3 S 4 (H 2 0) 9 ] 4+ incomplete cube on the other hand is unusually stable (years!) if stored in acidic solution, and it has been possible to explore its rich and varied solution chemistry (5).

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Preparation, structure and properties of dinuclear, trinuclear incomplete cuboidal and cuboidal molybdenum-selenium cluster complexes

Cited by 36 publications

References 27 publications

Preparation, structure and properties of three [MoxW4−xS4(H2O)12]5+ (x = 1–3) and [MoW3Se4(H2O)12]5+ cuboidal complexes alongside [Mo4S4(H2O)12]5+ and [Mo4Se4(H2O)12]5+

Preparation, structure and properties of three [MoxW4−xS4(H2O)12]5+ (x = 1–3) and [MoW3Se4(H2O)12]5+ cuboidal complexes alongside [Mo4S4(H2O)12]5+ and [Mo4Se4(H2O)12]5+

Chalcogenide-bridged cuboidal clusters with M4Q4 (M = Mo, W; Q = S, Se, Te) cores

Heterometallic Cuboidal Complexes as Derivatives of [Mo₃S₄(H₂O)₉]⁴⁺

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Preparation, structure and properties of dinuclear, trinuclear incomplete cuboidal and cuboidal molybdenum-selenium cluster complexes

Cited by 36 publications

References 27 publications

Preparation, structure and properties of three [MoxW4−xS4(H2O)12]5+ (x = 1–3) and [MoW3Se4(H2O)12]5+ cuboidal complexes alongside [Mo4S4(H2O)12]5+ and [Mo4Se4(H2O)12]5+

Preparation, structure and properties of three [MoxW4−xS4(H2O)12]5+ (x = 1–3) and [MoW3Se4(H2O)12]5+ cuboidal complexes alongside [Mo4S4(H2O)12]5+ and [Mo4Se4(H2O)12]5+

Chalcogenide-bridged cuboidal clusters with M4Q4 (M = Mo, W; Q = S, Se, Te) cores

Heterometallic Cuboidal Complexes as Derivatives of [Mo3S4(H2O)9]4+

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Heterometallic Cuboidal Complexes as Derivatives of [Mo₃S₄(H₂O)₉]⁴⁺