Melanophlogite: composition, thermal behavior and structure refinement
نویسندگان
چکیده
منابع مشابه
Crystal structure of melanophlogite, a natural clathrate compound of silica**
The high temperature form of melanophlogite, 46 Si02. 6M14 .2M12(M12=CH4, N2; M14=C02, N2), is cubic with space group Pm3n and a = 13.436(3) A at 200°C. The mineral is isostructural with the cubic gas hydrates of type I. Structure refinement with 667 independent reflections led to a weighted Rw = 0.040. Corner-sharing [Si04] tetrahedra form a 3dimensional framework which contains two types of c...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section A Foundations of Crystallography
سال: 1981
ISSN: 0108-7673
DOI: 10.1107/s0108767381093938