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- Title
Crystal Structure of a Double Neptunium(V) Lanthanum Nitrate, La(NpO<sub>2</sub>)<sub>3</sub>(NO<sub>3</sub>)<sub>6</sub>· nH<sub>2</sub>O.
- Authors
Grigor'ev, M. S.; Charushnikova, I. A.; Krot, N. N.
- Abstract
The structure of a double neptunium(V) lanthanum nitrate, La(NpO2)3(NO3)6· nH2O, was studied by single crystal X-ray diffraction. Each neptunyl(V) ion in the structure of the compound is bonded to four other neptunyl(V) ions, acting simultaneously as a bidentate ligand and as a coordination center for two other dioxocations. The cation-cation interaction of the neptunyl(V) ions results in formation of trigonal-hexagonal cationic networks. The surrounding of each Np atom also includes two bidentate nitrate ions. The CN of the Np atom is 8, and the coordination polyhedron is a distorted hexagonal bipyramid. The La3+ cations are surrounded only by water molecules.
- Subjects
CHEMICAL structure; COMPLEX compounds; IONIC structure; X-ray diffraction; MOLECULAR structure; PROPERTIES of matter; RADIOCHEMISTRY; PHYSICAL &; theoretical chemistry
- Publication
Radiochemistry, 2005, Vol 47, Issue 6, p549
- ISSN
1066-3622
- Publication type
Article
- DOI
10.1007/s11137-006-0005-5