Synthesis and crystal structure of [CuCl(phen)2]3H3V10O28.H2O by E. Rakovsky, D. Joniakova, R. Gyepes, P. Schwendt, and Z. Micka

Crystal Research and Technology

Cryst. Res. Technol. 40, 719 (2005) - Abstract -

Synthesis and crystal structure of [CuCl(phen)₂]₃H₃V₁₀O₂₈^.H₂O

E. Rakovsky, D. Joniakova, R. Gyepes*, P. Schwendt, and Z. Micka*

Department of Inorganic Chemistry, Faculty of Natural Sciences, Comenius University, Mlynská dolina CH-2, 842 15 Bratislava, Slovak Republic
*Department of Inorganic Chemistry, Faculty of Natural Sciences, Charles University, 128 00 Praha, Czech Republic

Keywords	trihydrogendecavanadate, heptahydrate, X-ray diffraction, structure analysis, bond-length/bond-number calculation
PACS	61.10.Nz, 61.66.Fn
DOI	10.1002/crat.200410415

The new compound, [CuCl(phen)₂]₃H₃V₁₀O₂₈^.H₂O, was prepared by reaction of an aqueous KVO₃ solution (pH 3) with an aqueous solution of CuSO₄^.5 H₂O in which 1,10-phenanthroline (phen) and KCl were added. The crystal structure of the compound was determined, and the proton position in H₃V₁₀O₂₈^3- were calculated by the bond length/bond number method and also determined from difference electron density map. The protons are bound to colinearly arranged μ–OV₂ and μ–OV₃ groups which is the common protonation type in trihydrogen decavanadates. The structure crystallizes in P-1 space group symmetry.

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