Synthesis,Crystal Structure,and Absorption Spectra of Neptunium(V) Di(acetamido) Nitrate (NpO2)(NO3)(CH3CONH2)2 |
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| Authors: | Andreev G. B. Budantseva N. A. Antipin M. Yu. Krot N. N. |
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| Affiliation: | (1) Russian Academy of Sciences, Institute of Physical Chemistry, Leninskii pr. 31, Moscow, 117915, Russia;(2) Russian Academy of Sciences, Nesmeyanov Institute of Organoelement Compounds, ul. Vavilova 28, Moscow, GSP-1, 117813, Russia |
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| Abstract: | The crystal structure of (NpO2)(NO3)(CH3CONH2)2 was determined. The crystallographic data were are follows: a = 5.766(3) Å, b = 13.154(5) Å, c = 14.027(6) Å, V = 1064.0(8) Å3, space group Pnma, Z = 4,  calcd = 2.804 g/cm3, R = 0.046, Rw = 0.102. The coordination polyhedron of Np is a pentagonal bipyramid whose equatorial positions are occupied by the oxygen atoms of the neighboring NpO2 group, acetamide molecules, and of the nitrate ion. The IR and electronic absorption spectra of the compound were measured. |
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