Crystal structure of neodymium and gadolinium dihydroxy-nitrate, Ln(OH)/sub 2/NO/sub 3/
Journal Article
·
· J. Solid State Chem.; (United States)
The crystal structures of Nd(OH)/sub 2/NO/sub 3/ and Gd(OH)/sub 2/NO/sub 3/ have been determined from single-crystal X-ray diffraction techniques. Crystallization occurs in monoclinic space group P2/sub 1/ (No. 4) with a = 6.420(1), b = 3.838(1), c = 7.746(2) A, and ..beta.. = 98.18(2)/sup 0/ for Nd(OH)/sub 2/NO/sub 3/ and a = 6.340(2), b = 3.715(1), c = 7.728(2) A, and ..beta.. = 96.95(2)/sup 0/ for Gd(OH)/sub 2/NO/sub 3/. The structures were refined to residual indices of 0.025 and 0.048, respectively, using 372 and 360 unique reflections. The lanthanoid metal atoms are nine-coordinated, having a tricapped trigonal prismatic geometry. The nitrate counter ion acts as a bidentate ligand, while the two hydroxide oxygen atoms link symmetry-related lanthanoid atoms, forming two-dimensional layers.
- Research Organization:
- Baylor Univ., Waco, TX
- OSTI ID:
- 5337657
- Journal Information:
- J. Solid State Chem.; (United States), Journal Name: J. Solid State Chem.; (United States) Vol. 63:2; ISSN JSSCB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CRYSTALS
DATA
EXPERIMENTAL DATA
GADOLINIUM COMPOUNDS
GADOLINIUM HYDROXIDES
HYDROGEN COMPOUNDS
HYDROXIDES
INFORMATION
LATTICE PARAMETERS
MONOCLINIC LATTICES
MONOCRYSTALS
NEODYMIUM COMPOUNDS
NEODYMIUM HYDROXIDES
NITRATES
NITROGEN COMPOUNDS
NUMERICAL DATA
OXYGEN COMPOUNDS
RARE EARTH COMPOUNDS
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CRYSTALS
DATA
EXPERIMENTAL DATA
GADOLINIUM COMPOUNDS
GADOLINIUM HYDROXIDES
HYDROGEN COMPOUNDS
HYDROXIDES
INFORMATION
LATTICE PARAMETERS
MONOCLINIC LATTICES
MONOCRYSTALS
NEODYMIUM COMPOUNDS
NEODYMIUM HYDROXIDES
NITRATES
NITROGEN COMPOUNDS
NUMERICAL DATA
OXYGEN COMPOUNDS
RARE EARTH COMPOUNDS