Hexacyano Molybdenum Clusters Chalcohalides and Divalent Cations (Zn2+ and Cu2+) for the Design of Extended Polymeric and Supramolecular Frameworks

Author(s): Gilles Daigre, Maria S. Tarasenko, Alexandra Yu. Ledneva, Nikolai G. Naumov, Nathalie Audebrand *, Stephane Cordier *.

Journal Name: Current Inorganic Chemistry

Volume 7 , Issue 2 , 2017

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Abstract:

Two new octahedral molybdenum cyanide cluster compounds, namely [{Zn(H2O)(en)2}{Zn(en)2}-Mo6Br6Se2(CN)6].2H2O (1) and [{Cu(H2O)(en)2}2Mo6Br6Se2(CN)6].2H2O (2) (en = ethylenediamine), have been synthetized as single crystals. 1 was obtained by slow diffusion of a solution containing [Mo6Br6Se2(CN)6]4- cluster units into a solution of zinc acetate and ethylenediamine. 2 was obtained by slow diffusion of an ammonia solution of [Mo6Br6Se2(CN)6]4- cluster units into a solution of cupper chloride and ethylenediamine. Both compounds were structurally characterized by single-crystal X-ray diffraction analysis. 1 is a bimetallic one dimensional coordination compound and it crystallizes in the orthorhombic system (P212121; Z = 4; a = 10.675(1) Å, b = 15.073(2) Å, c = 25.812(4) Å, V = 4153.3(1) Å3 at T = 150 K). 2 is a bimetallic H bonded three dimensional compound and it crystallizes in the monoclinic system (P21/c; Z = 2; a = 9.4281(4) Å, b = 11.0220(5) Å, c = 21.1494(9) Å, β = 100.053(2)°, V = 2164.03(16) Å3 at T = 296 K).

Keywords: Clusters compounds, cyanides, ethylenediamine, divalent cation, molybdenum, single-crystal Structure, extended framework, supramolecular framework.

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Article Details

VOLUME: 7
ISSUE: 2
Year: 2017
Page: [111 - 121]
Pages: 11
DOI: 10.2174/1877944107666171102150925
Price: $58

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