Crystal Structure of Cupric Fluoride Dihydrate at 298°K
Journal Article
·
· Journal of Chemical Physics
A neutron determination of the crystal structure of cupric fluoride dihydrate at 298 deg K was made. The structure consists of puckered sheets of nearly square CuF/sub 2/ O/sub 2/ groups, linked together by hydrogen bonds of 2.7l5 plus or minus 6 A, with the sheets connected by longer Cu- F bonds to form distorted octahedra around the Cu/sup 2+/ ions. Dimensions within the octahedra are, two Cu--O distances of l.94l plus or minus 5,two Cu-F of l.888 plus or minus 8 and two Cu-F of 2.465 plus or minus 6A. The long F-Cu- F axis is inclined at 71/2 deg from the normal to the plane containing the remaining CuF/sub 2/O//sub 2/ group of the octahedron, The Cu-O bonds bisect the H-O-H angle of ll5.5 plus or minus 0.4 deg . The O-H bond is 0.980 plus or minus 7 A andthe O-H... F angle is 164.9 plus or minus 0.7 deg . The amplitudes oi thermal displaccment of the atoms along various directions are given. The nuclear scattering length of fluorine is revised to 0.529 plus or minus l3 (l0/ sup -12/ cm). (auth)
- Research Organization:
- Bell Telephone Labs., Inc., Murray Hill, N.J.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-16-007547
- OSTI ID:
- 4818904
- Journal Information:
- Journal of Chemical Physics, Journal Name: Journal of Chemical Physics Journal Issue: 1 Vol. 36; ISSN JCPSA6; ISSN 0021-9606
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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