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structure structure (solids and liquids) D 2000 52 -008 Determination of Crystal Structure of Co(ReO 4 ) 2 ·4H 2 O and Refinement of Crystal Structure of Mg(ReO 4 ) 2 ·4H 2 O. -Single crystal X-ray studies indicate that the title compounds are isostructural with Cu(ReO 4 ) 2 ·4H 2 O and crystallize in the triclinic space group P1 with Z = 1. The tetrahedral ReO 4 − ions and the water molecules act as monodentate ligands which enclose the Co or Mg cations octahedrally. -(VARFOLOMEEV, M. B.; KHRUSTALEV, V. N.; PISAREVSKII, A. P.; SHAMRAI, N. B.; SYROV, YU. V.; Zh. Neorg.

Electrochemical Synthesis of Aluminum, Gallium, and Indium Perrhenates.-Single crystals of Al(ReO 4 ) 3 ·8H 2 O, Ga(ReO 4 ) 3 ·8H 2 O and In(ReO 4 ) 3 ·4.5H 2 O are synthesized by anodic dissolution of the corresponding metals in HReO 4 and subsequent evaporation of the solution at 50-55 • C. The purity of samples prepared by this electrochemical method exceeds the purity of samples obtained by conventional chemical methods. -(VOL'FKOVICH, A. YU.; KHRUSTALEV, V. N.; SHAMRAI, N. B.; VARFOLOMEEV, M. B.; Zh.

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.

Single crystals of the title compound are prepared by crystallization from an aqueous solution of Mg(ReO4)2 at 25°C. The tetrahydrate belongs to the triclinic system (P1, Z=1).