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Synthesis and crystal structure of bis(carbamide)chromatoneptunyl NpO2CrO4 · 2[OC(NH2)2]

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Abstract

The crystal structure of the hexavalent neptunium complex NpO2CrO4 · 2[OC(NH2)2] is determined. The crystal data are a = 7.192(2) Å, b = 12.902(4) Å, c = 11.226(3) Å, β = 92.19(2)°, V = 1040.9(4) Å3, space group P21/n, Z = 4, d calcd = 3.223 g/cm3, R = 0.045, and R w = 0.130. The coordination polyhedron of the Np atom is the pentagonal bipyramid whose equatorial plane is formed by the oxygen atoms of the chromate ions and carbamide molecules.

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Translated from Kristallografiya, Vol. 46, No. 3, 2001, pp. 433–434.

Original Russian Text Copyright © 2001 by Andreev, Antipin, Fedoseev, Budantseva.

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Andreev, G.B., Antipin, M.Y., Fedoseev, A.M. et al. Synthesis and crystal structure of bis(carbamide)chromatoneptunyl NpO2CrO4 · 2[OC(NH2)2]. Crystallogr. Rep. 46, 383–384 (2001). https://doi.org/10.1134/1.1376464

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  • DOI: https://doi.org/10.1134/1.1376464

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