Crystal Structure of Ba₃[UO₂(C₂O₄)₂(NCS)]₂ 9H₂O

Zh. V. Akhmerkina^a, E. V. Peresypkina^b, A. V. Virovets^b, and L. B. Serezhkina^a

^a Samara State University, ul. Akad. Pavlova 1, Samara, 443011 Russia

^b Nikolaev Institute of Inorganic Chemistry, Siberian Division, Russian Academy of Sciences,
pr. Akademika Lavrent’eva 3, Novosibirsk, 630090 Russia

Received June 25, 2007

Abstract—Single crystals of Ba₃[UO₂(C₂O₄)₂(NCS)]₂ · 9H₂O are synthesized and studied by X-ray diffraction.
The crystals are orthorhombic, space group Fddd, Z = 16, and the unit cell parameters are a = 16.253(3) Å, b =
22.245(3) Å, c = 39.031(6) Å. The main crystal structural units are mononuclear complex groups
[UO₂(C₂O₄)₂NCS]³ of the crystal-chemical family (A = B⁰¹ = C₂ M¹ = NCS) of the ura-
nyl complexes linked into a three-dimensional framework by electrostatic interactions and hydrogen bonds
involving oxalate ions and water molecules.

DOI: 10.1134/S0036023608090088

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