Crystal structure of (tricarbamidotriacetato)erbium(III) monocarbamide, (Er(C/sub 2/H/sub 3/O/sub 2/)/sub 3/ x 30C(NH/sub 2/)/sub 2/) x OC(NH/sub 2/)/sub 2/
The crystal structure was determined for (Er(C/sub 2/H/sub 3/O/sub 2/)/sub 3/ x OC(NH/sub 2/)/sub 2/) x OC(NH/sub 2/)/sub 2/ which has insular structure consisting of (Er(C/sub 2/H/sub 32/)/sub 3/ x 30C(NH/sub 2/)/sub 2/) complexes and outer-sphere OC(NH/sub 2/)/sub 2/ molecules. The erbium ions are located in nonapical polyhedra formed by the acetate group oxygen atoms and the urea molecules. All the acetate groups and urea molecules are virtually planar and the acetate groups fall into the bidentate-cyclic class. The Er-O bond lengths for the coordinated urea molecules are shorter than for the acetate groups. The mean Er-O, C-O, C-C, and C-N bond lengths are 2.410, 1.26, 1.54, and 1.34 A, respectively. All the interatomic distances and bond angles are in good accord with literature values.
- OSTI ID:
- 6337603
- Journal Information:
- J. Struct. Chem. (Engl. Transl.); (United States), Vol. 26:5; Other Information: Translated from Zh. Strukt. Khim.; 26: No.5, 103-108(Sep-Oct 1985)
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
AMIDES
CRYSTAL STRUCTURE
MOLECULAR STRUCTURE
ERBIUM COMPLEXES
ACETATES
BOND ANGLE
BOND LENGTHS
CHEMICAL BONDS
CHEMICAL COMPOSITION
CONFORMATIONAL CHANGES
COORDINATION NUMBER
CRYSTAL-PHASE TRANSFORMATIONS
INTERATOMIC DISTANCES
LATTICE PARAMETERS
STRUCTURAL CHEMICAL ANALYSIS
UREA
X-RAY DIFFRACTION
CARBONIC ACID DERIVATIVES
CARBOXYLIC ACID SALTS
COHERENT SCATTERING
COMPLEXES
DIFFRACTION
DIMENSIONS
DISTANCE
LENGTH
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PHASE TRANSFORMATIONS
RARE EARTH COMPLEXES
SCATTERING
360602* - Other Materials- Structure & Phase Studies
400201 - Chemical & Physicochemical Properties