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The structures of crystalline hydrogen bromide
Veröffentlicht/Copyright:
25. August 2010
Summary
Solid HBr exhibits a series of phase transitions from cubic Ia via Ib, to orthorhombic II and III. The structure of Ib has been solved and refined with neutron diffraction data. It crystallizes in space group Pa[unk]. The molecules show dynamical disorder, the hydrogen atom preferentially reorienting in planies formed by 6 out of 12 nearest neighbour bromine atoms. The phase Ib does not occur with DBr but can still be observed with a 90% DBr/HBr sample due to the delayed formation of phase II with decreasing temperature. – The group-subgroup relations for the different HBr modifications are established.
Published Online: 2010-08-25
Published in Print: 1988
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- The crystal and molecular structure of aceto-acetanilide hydrazone pigment N-phenyl-2-(4-chloro-phenylhydrazono)-3-oxo-butyramide
- The crystal and molecular structure of azo disperse dye 3-(4-diethylamino-phenyl-azo)phthalimide
- Crystal structure and bonding of tris(3-methylpyridinium)(3-ethylpyridinium) β-octamolybdate
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- The single chain arsenites Pb(AsO2)Cl and Pb2(AsO2)3Cl. Preparation and structure investigation
- Crystal state conformation of a β,β′-disubstituted dehydroaminoacid derivative
- Room temperature X-ray crystal structure analysis of a twinned crystal of high-Tc superconducting YBa2Cu3O7−x(0 ≤ x ≤ 0.10)
- Crystal structure and optical properties of potassium pentafluorohafnate monohydrate, KHfF5 · H2O
- The structures of crystalline hydrogen bromide
- NaxMoP2O7, a mixed valence molybdenum diphosphate with a tunnel structure
- The oxygen packings of low-quartz and ReO3 under high pressure
- Indigo: Crystal structure refinement based on synchrotron data
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