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High-energy neutron inelastic scattering from H2 in C28Cs(H2)1.52

✍ Scribed by P.R. Hirst; J.W. White; Z.A. Bowden; L.M. Needham; A.D. Taylor

Publisher: Elsevier Science
Year: 1988
Tongue: English
Weight: 211 KB
Volume: 147
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(88)85089-9

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✦ Synopsis

Neutron inelastic scattering from the intramolecular vibration of hydrogen at x 5 16 meV (4 162 cm-' ) has been observed for the tint time using the system C2&s(H2) 1.52 at 4 K. The data are consistent with an effective mass of the scattering particle of z 1.33 amu which confirms the presence of Hz species. The extrapolated excitation energy at zero momentum transfer is, within experimental error, the same as the gas-phase value for H2, indicating little effect of the electronegative environment on the adsorbed hydrogen molecular force constant.

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