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The crystal structure of Bi4O5I2 and its relation to the structure of Bi4O5Br2
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E. Keller
Published/Copyright:
September 25, 2009
Abstract
The crystal structure of Bi4O5I2 has been solved from a 3:1 twinned crystal; accurate lattice parameters have been determined by a Rietveld refinement. Bi4O5I2 crystallizes with space group P21 (no. 4), Z=4, a=14.944(1), b=5.6983(3), c=11.263(1) Å, β= 99.81(1)°. Its structure is isotypic to the structure of the homologous Bi4O5Br2 for which more reliable lattice parameters have been determined by a Rietveld refinement. The effects of replacement of Br by I on the structure are discussed and compared with corresponding effects in the BiOX family (X = Cl, Br, I). A structural reason for the deviation of the twin supercells of the two compounds from orthogonality is discussed.
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Published Online: 2009-9-25
Published in Print: 2002-6-1
© 2002 Oldenbourg Wissenschaftsverlag GmbH
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- Characterization of the stuffed framework structures BaAlGaO4 and BaFeGaO4
- The crystal structure of Bi4O5I2 and its relation to the structure of Bi4O5Br2
- Books received
Articles in the same Issue
- Crystallisation of caesium borosilicate glasses with approximate boroleucite composition
- The crystal structure determination of the crystalline layered silicic acid H-RUB-18
- Crystal structures of the double salt dihydrates K2Cd(SeO4)2·2H2O, K2Mn(SO4)2·2H2O, (NH4)2Cu(SeO4)2·2H2O and KFeH(SO4)2·2H2O
- Characterization of the stuffed framework structures BaAlGaO4 and BaFeGaO4
- The crystal structure of Bi4O5I2 and its relation to the structure of Bi4O5Br2
- Books received
