Crystal structures of NaCuO sub 2 and KCuO sub 2 by neutron diffraction
Journal Article
·
· Journal of Solid State Chemistry; (USA)
- Arizona State Univ., Tempe (USA)
- Los Alamos National Lab., NM (USA)
The structures of NaCuO{sub 2} and KCuO{sub 2} have been refined from time-of-flight neutron data. NaCuO{sub 2} is monoclinic: space group C2/m, a = 6.3512(2) {angstrom}, b = 2.7474(1) {angstrom}, c = 6.1027(2) {angstrom}, {beta} = 120.767(2){degree} with Cu-O = 1.839(1) {angstrom} (4x). KCuO{sub 2} is orthorhombic: space group Cmem, a = 4.3742(1) {angstrom}, b = 11.6859(4) {angstrom}, c = 5.4124(2) {angstrom} with Cu-O = 1.826(3) {angstrom} (2x) and 1.832(2) {angstrom} (2x). Both structures contain strings of edge-sharing CuO{sub 4} rectangles. The sodium atoms center octahedra and the potassium atoms center trigonal prisms. Aspects of the crystal chemistry of both compounds are discussed.
- OSTI ID:
- 7109200
- Journal Information:
- Journal of Solid State Chemistry; (USA), Journal Name: Journal of Solid State Chemistry; (USA) Vol. 83:1; ISSN JSSCB; ISSN 0022-4596
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360000* -- Materials
360100 -- Metals & Alloys
360102 -- Metals & Alloys-- Structure & Phase Studies
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400000 -- Chemistry
400201 -- Chemical & Physicochemical Properties
ALKALI METALS
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL STRUCTURE
DATA
DIFFRACTION
ELEMENTS
EXPERIMENTAL DATA
INFORMATION
MEASURING INSTRUMENTS
MEASURING METHODS
METALS
NEUTRON DIFFRACTION
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
POTASSIUM
SCATTERING
SODIUM
TRANSITION ELEMENT COMPOUNDS
360000* -- Materials
360100 -- Metals & Alloys
360102 -- Metals & Alloys-- Structure & Phase Studies
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400000 -- Chemistry
400201 -- Chemical & Physicochemical Properties
ALKALI METALS
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL STRUCTURE
DATA
DIFFRACTION
ELEMENTS
EXPERIMENTAL DATA
INFORMATION
MEASURING INSTRUMENTS
MEASURING METHODS
METALS
NEUTRON DIFFRACTION
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
POTASSIUM
SCATTERING
SODIUM
TRANSITION ELEMENT COMPOUNDS