Abstract

The structure of Rb3[UO2(CH3COO)3]2[UO2(CH3COO)(NCS)2(H2O)] was studied by single crystal X-ray diffraction. The compound crystallizes in the monoclinic system with the unit cell parameters (at 100 K) a = 18.387(3), b = 16.398(3), c = 12.460(2) A, β = 92.837(5)∘, V = 3752.4(11) A3, space group C2/c, Z = 4, R = 0.0390. The uranium-containing structural units of the crystals are isolated mononuclear groups [UO2(CH3COO)3]− and [UO2(CH3COO)(NCS)2(H2O)]−, belonging to crystal-chemical groups AB301 and AB01M31 (A = UO22+, B01 = CH3COO−, M1 = NCS− and H2O) of uranyl complexes, respectively. The uranium-containing complexes are linked in a framework by hydrogen bonds and by electrostatic interactions with Rb+ cations.

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