Issue 32, 2016
From the journal:

Chemical Communications

Selective occupancy of methane by cage symmetry in TBAB ionic clathrate hydrate†

Sanehiro Muromachi,*a   Konstantin A. Udachin,b   Saman Alavi,b   Ryo Ohmurac  and  John A. Ripmeesterb  

* Corresponding authors

a Research Institute of Energy Frontier, National Institute of Advanced Industrial Science and Technology (AIST), 16-1 Onogawa, Tsukuba, Japan
E-mail: s-muromachi@aist.go.jp

b National Research Council of Canada, 100 Sussex Drive, Ottawa, ON, Canada

c Department of Mechanical Engineering, Keio University, Yokohama 223-8522, Japan

Abstract

Methane trapped in the two distinct dodecahedral cages of the ionic clathrate hydrate of TBAB was studied by single crystal XRD and MD simulation. The relative CH4 occupancies over the cage types were opposite to those of CO2, which illustrates the interplay between the cage symmetry and guest shape and dynamics, and thus the gas selectivity.

Graphical abstract: Selective occupancy of methane by cage symmetry in TBAB ionic clathrate hydrate

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Article information

DOI
https://doi.org/10.1039/C6CC00264A
Article type
Communication
Submitted
11 Jan 2016
Accepted
17 Mar 2016
First published
17 Mar 2016
This article is Open Access
Creative Commons BY license

Chem. Commun., 2016,52, 5621-5624

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Selective occupancy of methane by cage symmetry in TBAB ionic clathrate hydrate

S. Muromachi, K. A. Udachin, S. Alavi, R. Ohmura and J. A. Ripmeester, Chem. Commun., 2016, 52, 5621 DOI: 10.1039/C6CC00264A

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