Monoclinic mixed crystals of halogenomethanes CBr4−nCln (n=0,…,4)
| Autor: | Luis Carlos Pardo, Philippe Négrier, Josep Ll. Tamarit, Maria Barrio, Denise Mondieig |
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| Přispěvatelé: | Centre de physique moléculaire optique et hertzienne (CPMOH), Centre National de la Recherche Scientifique (CNRS)-Université Sciences et Technologies - Bordeaux 1, Departament de Fisica i Enginyeria Nuclear (ETSEIB), Universitat Politècnica de Catalunya [Barcelona] (UPC) |
| Rok vydání: | 2007 |
| Předmět: |
010304 chemical physics
Mixed crystal Chemistry Mixed crystals General Physics and Astronomy Composition (combinatorics) 010402 general chemistry 01 natural sciences 0104 chemical sciences Vegard law Dipole Crystallography Halogenomethanes 0103 physical sciences Halogen Disorder [CHIM.CRIS]Chemical Sciences/Cristallography Molecule [PHYS.COND]Physics [physics]/Condensed Matter [cond-mat] Physical and Theoretical Chemistry Isostructural Powder diffraction Monoclinic crystal system |
| Zdroj: | Chemical Physics Chemical Physics, Elsevier, 2007, 336 (2-3), pp.150-156. ⟨10.1016/j.chemphys.2007.06.008⟩ |
| ISSN: | 0301-0104 |
| Popis: | On the basis of the isostructural relationship between the low-temperature monoclinic ( C 2/ c , Z = 32) phases of the halogenomethane CBr 4− n Cl n ( n = 0, … , 4), a set of mixed crystals has been analysed by means of high-resolution X-ray powder diffraction. It is shown that the monoclinic structure of pure and mixed crystals does not depend of the particularities of the dipolar (or dipole induced) interactions of the pure compound, neither on the composition of the mixed crystal, but on the relative content of the halogen atoms which controls the size of the molecule or the average molecule for the case of mixed crystals. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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