Crystal structure of neptunium(IV) N,N-diethyl dithiocarbamate Np[S2CN(C2H5)2]4

Crystal structure of neptunium(IV) N,N-diethyl dithiocarbamate Np[S2CN(C2H5)2]4 Crystal structure of Np[S2CN(C2H5)2]4 has been determined. The environment of the Np atom is formed by eight sulfur atoms. The coordination polyhedron of the Np atom is a dodecahedron. The Np-S bond lengths vary from 2.782(2) to 2.812(2) Å (average 2.795 Å). Two independent (H5C2)2NCS 2 − anions are characterized by different orientations of the diethylcarbamate fragments. A comparison of the geometric characteristics of the coordination polyhedra of the compounds An[S2CN(C2H5)2]4 (An = Th, Np) and Np(S2CN(C2H5)2)4][N(C2H5)4 shows that the average Np-S bond lengths in the coordination polyhedra decrease by the same value on going from Th4+ to Np4+ and from Np3+ to Np4+. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Coordination Chemistry Springer Journals

Crystal structure of neptunium(IV) N,N-diethyl dithiocarbamate Np[S2CN(C2H5)2]4

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Publisher
Springer Journals
Copyright
Copyright © 2006 by Pleiades Publishing, Inc.
Subject
Chemistry; Inorganic Chemistry; Physical Chemistry
ISSN
1070-3284
eISSN
1608-3318
D.O.I.
10.1134/S1070328406100095
Publisher site
See Article on Publisher Site

Abstract

Crystal structure of Np[S2CN(C2H5)2]4 has been determined. The environment of the Np atom is formed by eight sulfur atoms. The coordination polyhedron of the Np atom is a dodecahedron. The Np-S bond lengths vary from 2.782(2) to 2.812(2) Å (average 2.795 Å). Two independent (H5C2)2NCS 2 − anions are characterized by different orientations of the diethylcarbamate fragments. A comparison of the geometric characteristics of the coordination polyhedra of the compounds An[S2CN(C2H5)2]4 (An = Th, Np) and Np(S2CN(C2H5)2)4][N(C2H5)4 shows that the average Np-S bond lengths in the coordination polyhedra decrease by the same value on going from Th4+ to Np4+ and from Np3+ to Np4+.

Journal

Russian Journal of Coordination ChemistrySpringer Journals

Published: Oct 7, 2006

References

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