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Crystal structures of R-thiocamphor
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M. Brunelli
Published/Copyright:
September 25, 2009
Abstract
The crystal structure of the globular organic molecule R-thiocamphor (C10H16S) has been studied at ambient and low temperatures by high resolution powder X-ray diffraction using synchrotron radiation. At around 260 K thiocamphor transforms on cooling to an ordered orthorhombic structure from the orientationally-disordered body-centered cubic phase with a = 8.1477(1)Å at room temperature. The structure of the low-temperature phase was solved by auto-indexing, then by intensity extraction and direct methods using the EXPO package and refined by the Rietveld Method. The low temperature structure has a = 9.0490(1)Å, b = 14.5887(3)Å, c = 7.2931(1)Å, space group P212121, Z = 4, ρcalc = 1.161 g cm-3.
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Published Online: 2009-9-25
Published in Print: 2002-2-1
© 2002 Oldenbourg Wissenschaftsverlag GmbH
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Articles in the same Issue
- Chemical short range order obtained from the atomic pair distribution function
- Refinement of the crystal structures of Cu3PS4 and Cu3SbS4 and a comment on normal tetrahedral structures
- Crystal structure of K1-xCsxBSi2O6 (x = 0.12, 0.50) boroleucite solid solutions and thermal behaviour of KBSi2O6 and K0.5Cs0.5BSi2O6
- Structural variations in the aegirine solid-solution series (Na,Li)FeSi2O6 at 298 K and 80 K
- The crystal structure of Na3HP2O7 ⋅ H2O from X-ray powder diffraction data
- The glass transition in twinned ((phenyl)4As)2C60Cl crystals
- Crystal structures of R-thiocamphor
- Synthesis and X-ray structure of 1,3-dimethylurea-picric acid (1/1) complex
