TY - JOUR
T1 - Syntheses and crystal structures of three barium uranium sulfides
AU - Mesbah, Adel
AU - Ibers, James A.
N1 - Funding Information:
This research was kindly supported at Northwestern University by the U.S. Department of Energy, Basic Energy Sciences, Chemical Sciences, Biosciences, and Geosciences Division and Division of Materials Science and Engineering Grant ER-15522 . Use was made of the IMSERC X-ray Facility at Northwestern University, supported by the International Institute of Nanotechnology (IIN).
PY - 2013/3
Y1 - 2013/3
N2 - The barium uranium sulfides Ba3.69US6, BaUS 3, and BaU2S5 have been synthesized at 1273, 1323, and 1323 K, respectively. The structures of these compounds have been determined by single-crystal X-ray diffraction methods. They crystallize in space groups D3d6-R3̄c, D2h16-Pnma, and C2h5-P21/c, respectively. Among these three ternaries and Ba2US6 the coordination geometries about the U atoms vary considerably. Ba 3.69US6 is a mixed U4+/U5+compound whereas the others are U4+ compounds. The decreasing dimensionality of the four compounds with increasing Ba-to-U content shows the expected trend.
AB - The barium uranium sulfides Ba3.69US6, BaUS 3, and BaU2S5 have been synthesized at 1273, 1323, and 1323 K, respectively. The structures of these compounds have been determined by single-crystal X-ray diffraction methods. They crystallize in space groups D3d6-R3̄c, D2h16-Pnma, and C2h5-P21/c, respectively. Among these three ternaries and Ba2US6 the coordination geometries about the U atoms vary considerably. Ba 3.69US6 is a mixed U4+/U5+compound whereas the others are U4+ compounds. The decreasing dimensionality of the four compounds with increasing Ba-to-U content shows the expected trend.
KW - Barium uranium sulfide
KW - Dimensionality
KW - Oxidation states
KW - Single-crystal X-ray structure
KW - Syntheses
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U2 - 10.1016/j.jssc.2012.12.023
DO - 10.1016/j.jssc.2012.12.023
M3 - Article
AN - SCOPUS:84872945913
VL - 199
SP - 253
EP - 257
JO - Journal of Solid State Chemistry
JF - Journal of Solid State Chemistry
SN - 0022-4596
ER -