Re: structure required
At 19:26 08/02/2001, you wrote: someone could give me the structure of silicon carbide 6H ? please? From ICSD (look for Moissanite, there are 41 entries): Shaffer,PTB. (1969) Acta Crystallogr.,Sect. 25 477-488 A review of the structure of silicon carbide GomesdeMesquita,AH. (1967) Acta Crystallogr 23 610-617 Refinement of the crystal structure of Si C type 6H Dr Alan W. Hewat, Diffraction Group Leader. Institut Laue-Langevin Grenoble FRANCE [EMAIL PROTECTED] fax (33)4.76.20.76.48 tel (33) 4.76.20.72.13 (or .26 Mme Guillermet) http://www.ill.fr/dif/AlanHewat.htm
Re: structure required
At 01:07 08/02/2001, you wrote: I am looking for a structure for chlorartinite Mg2(OH)ClCO3!3H2O if available Chlorartinite Mg2(OH)ClCO3(H2O)3 is the chloride analog of artinite Mg2(OH)2CO3(H2O)3, which is listed in ICSD http://barns.ill.fr/dif/icsd even if chlorartinite itself is not. I guess it may be some super-structure, with one OH replaced by Cl, and you might be able to guess a model by comparing unit cells on this basis. Otherwise if you have the powder pattern I am sure that Armel will be able to solve it given this information :-) Akao,M. Iwai,SI. (1977) Acta Crystallogr.,Sect. 33 3951-3953 The hydrogen bonding of artinite Alan. Dr Alan W. Hewat, Diffraction Group Leader. Institut Laue-Langevin Grenoble FRANCE [EMAIL PROTECTED] fax (33)4.76.20.76.48 tel (33) 4.76.20.72.13 (or .26 Mme Guillermet) http://www.ill.fr/dif/AlanHewat.htm
Re: structure required
someone could give me the structure of silicon carbide 6H ? please? daniel Quantitative Texture Analysis Internet Course: http://pecdc.univ-lemans.fr/qta/ -- Daniel Chateigner LPEC, UMR-CNRS 06087, Universit du Maine-Le Mans http://pecdc.univ-lemans.fr/lpec.html av. O. Messiaen, BP535 72085 Le Mans cedex Tel prof: 33 (0) 243833268 Fax: 33 (0) 243833518 http://www.univ-lemans.fr/~dchat/danielc/daniel.htm --- --- World Directory of Crystallographers and concerned scientists - fill the form at: http://www.univ-lemans.fr/~dchat/wdc10/state.htm A web-based "Powder Structure Determination" course: http://sdpd.univ-lemans.fr/course/
