Crystal growth and structural study of the new series Ln(OH)CrO sub 4 (Ln = Y, Dy-Lu): Crystal structure of Er(OH)CrO sub 4
Journal Article
·
· Journal of Solid State Chemistry; (USA)
- Universidad Complutense, Madrid (Spain)
- C.S.I.C., Madrid (Spain) Universidad Complutense, Madrid (Spain)
Single crystals of the new series Ln(OH)CrO{sub 4} (Ln = Y, Dy-Lu) have been obtained by hydrothermal procedures. The structure of Er(OH)CrO{sub 4} has been determined by single-crystal X-ray techniques. The compound has monoclinic symmetry, space group P2{sub 1}/n, Z = 8, with a = 8.106(3), b = 11.324(2), c = 8.251(1) {angstrom}, {beta} = 94.14(2){degree} and V = 755.4(3) {angstrom}{sup 3}. Final R values were R = 0.034, R{sub w} = 0.049, for 2,207 observed reflections. X-ray powder data show that all compounds of the title series are isomorphous. The coordination polyhedron of the lanthanide cations can be considered a square antiprism, with hydrogen bonds linking CrO{sub 4} and LnO{sub 8} groups. The X-ray data in this series provide evidence for the lanthanide contraction.
- OSTI ID:
- 5492297
- Journal Information:
- Journal of Solid State Chemistry; (USA), Journal Name: Journal of Solid State Chemistry; (USA) Vol. 90:2; ISSN 0022-4596; ISSN JSSCB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
CHALCOGENIDES
CHROMIUM COMPOUNDS
CHROMIUM OXIDES
COHERENT SCATTERING
CRYSTAL GROWTH
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CRYSTALS
DATA
DIFFRACTION
EUROPIUM COMPOUNDS
EUROPIUM OXIDES
EXPERIMENTAL DATA
INFORMATION
MEASURING METHODS
MONOCLINIC LATTICES
MONOCRYSTALS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
RARE EARTH COMPOUNDS
SCATTERING
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
CHALCOGENIDES
CHROMIUM COMPOUNDS
CHROMIUM OXIDES
COHERENT SCATTERING
CRYSTAL GROWTH
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CRYSTALS
DATA
DIFFRACTION
EUROPIUM COMPOUNDS
EUROPIUM OXIDES
EXPERIMENTAL DATA
INFORMATION
MEASURING METHODS
MONOCLINIC LATTICES
MONOCRYSTALS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
RARE EARTH COMPOUNDS
SCATTERING
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION