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Catena-Poly[[tetra-kis-(?-penta-fluoro-benzoato-?O:O')dimolybdenum(II)]-?-4,4'-bipyridine-?N:N'].

ABSTRACT: In the title compound, [Mo(2)(C(7)F(5)O(2))(4)(C(10)H(8)N(2))](n), the mol-ecule forms a paddle-wheel-type structure. Each Mo(2) (4+) unit is equatorially coordinated by four pentafluoro-benzoate groups, while the axial positions are occupied by two 4,4'-bipyridine mol-ecules. The Mo-Mo bond length of 2.1227?(4)?Å is representative of a dimolybdenum quadruple bond. An infinite linear chain parallel to [110] is formed by the Mo(2) (4+) unit coordinating axially to the two N atoms of the 4,4'-bipyridine ligand [Mo-N = 2.594?(2)?Å]. The crystal packing shows mol-ecules linked together into a three-dimensional network via Mo-N coordination inter-actions and weak ?-? stacking inter-actions between perfluoro-phenyl rings [centroid-centroid distance = 3.7280?(3)?Å and centroid-to-plane distance = 3.6103?(12)?Å between two penta-fluoro-phenyl rings].

SUBMITTER: Han LJ

PROVIDER: S-EPMC3200718 | biostudies-literature | 2011 Sep

REPOSITORIES: biostudies-literature

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catena-Poly[[tetra-kis-(μ-penta-fluoro-benzoato-κO:O')dimolybdenum(II)]-μ-4,4'-bipyridine-κN:N'].

Han Li-Juan LJ

Acta crystallographica. Section E, Structure reports online 20110817 Pt 9

In the title compound, [Mo(2)(C(7)F(5)O(2))(4)(C(10)H(8)N(2))](n), the mol-ecule forms a paddle-wheel-type structure. Each Mo(2) (4+) unit is equatorially coordinated by four pentafluoro-benzoate groups, while the axial positions are occupied by two 4,4'-bipyridine mol-ecules. The Mo-Mo bond length of 2.1227 (4) Å is representative of a dimolybdenum quadruple bond. An infinite linear chain parallel to [110] is formed by the Mo(2) (4+) unit coordinating axially to the two N atoms of the 4,4'-bipy ...[more]

PMID: 22058859

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