The Quantum Dynamics of H2O molecules encapsulated inside C60: symmetry-breaking and the role of inter-cage electric dipole interactions
In a recent experiment on IN5 (07-05-447) we successfully studied the influence of inter-cage interactions on the quantum dynamics of H2O molecules entrapped inside C60 cages. We employed pressure to change the relative orientations of the C60 cages, switching between a phase in which a double bond is centred on a hexagonal face of a C60 neighbour and a phase where the double bond is centred on a pentagonal face. Significant changes in the IN5 spectrum were observed in NE gain. Additional insights into the influence of inter-cage interactions were investigated by diluting H2O@C60 with empty C60 cages, studying a number of filling factors in the range 10 – 100%. During the subsequent analysis of the IN5 data, it has become increasingly apparent there is much interest in studying mixtures of H2O@C60 in empty C60 with significantly lower filling factors, down to 2 or 3%. This is the subject of this proposal.
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HORSEWILL Anthony J.; JOHNSON Mark Robert; LEVITT Malcolm; MAMONE Salvatore; OLLIVIER Jacques; ROLS Stephane and Richard J. Whitby. (2016). The Quantum Dynamics of H2O molecules encapsulated inside C60: symmetry-breaking and the role of inter-cage electric dipole interactions. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.7-04-149
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