Journal
RUSSIAN JOURNAL OF INORGANIC CHEMISTRY
Volume 52, Issue 6, Pages 854-858Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S003602360706006X
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A new binuclear cadmium(II) complex with neutral ligands, 1,2-diaminobenzene (DMB) and dimethylformamide (DMF), [Cd-2(Ph(NH2)(2))(5)(DMFA)(4)](B10H10)(2), was synthesized and studied by IR spectroscopy and X-ray diffraction. The crystals are monoclinic, a = 26.198(3) angstrom, b = 12.742(3) angstrom, c = 21.658(3) angstrom, beta = 119.985(10)angstrom, Z = 8, space group C2/c. The distorted octahedral environment of Cd is formed by four nitrogen atoms of three DAB molecules and two oxygen atoms of DMF molecules. Three independent DAB molecules perform different functions: one chelates the Cd atom, another is linked to cadmium as a monodentate ligand, and the third one bridges two Cd atoms, thus forming the dimer. The amino groups of the DAB molecules are involved in the N-H center dot center dot center dot O and N-H center dot center dot center dot N hydrogen bonds and in N-H center dot center dot center dot B and N-H center dot center dot center dot H-B specific interactions with the cluster boron anion.
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