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M. S. Grigoriev, Mikhail Yu. Antipin, N. N. Krot, A. A. Bessonov

Crystal structures of Np(VI) and Pu(VI) phthalates, [NpO₂{(OOC)₂C₆H₄}H₂O]·1/3H₂O and [PuO₂{(OOC)₂C₆H₄}H₂O]·H₂O

Single crystals of
[NpO₂L(H₂O)]·1/3H₂O (I) and
[PuO₂L(H₂O)]·H₂O (II)
(H₂L — orthophthalic acid) have been synthesized, their
structures have been determined by X-ray structural analysis. Actinide
atoms in both compounds are seven-coordinated. The interaction between
actinide dioxocations and phthalate anions results in formation of
infinite tubes in I and layers in II. The structures are compared with those of other phthalate compounds of hexa- and pentavalent actinides, in particular, with the structure of [UO₂L(H₂O)]·H₂O which differs from the structure II.

Radiochimica Acta, Oldenbourg Wissenschaftsverlag

Print ISSN: 0033-8230
Volume: 92, 07/2004
Pages: 405 - 409

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