Transition from cage clathrate to filled ice: The structure of methane hydrate iii

J. S. Loveday, R. J. Nelmes, M. Guthrie, D. D. Klug, J. S. Tse

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

The structure of a new methane hydrate has been solved at 3 GPa from neutron and x-ray powder diffraction data. It is a dihydrate in which a 3D H-bonded network of water molecules forms channels surrounding the methane molecules. The network is closely related to that of ice-Ih and the methane-water system appears to be the first in which a cage clathrate hydrate is transformed into an ice-related hydrate (a “filled ice”).

Original languageEnglish
Pages (from-to)215501-1-215501-4
JournalPhysical Review Letters
Volume87
Issue number21
DOIs
StatePublished - Nov 19 2001
Externally publishedYes

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