The r3C chemical shieIding tensors in P sir@ crystal of@pdnol clathrate with trapped methanol molecules have been obtained by hi& resolution double resonance-A single shieIding tensor instead of three for the trapped methanol molecule results from time-averaging. It is axially symmetric ltbout the c
Molecular interactions, structure and stability of β-quinol clathrate
✍ Scribed by V.E. Zubkus; I.L. Shamovsky
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 511 KB
- Volume
- 195
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
For the I~-quinol (Qo) clathrate in the framework of an empirical force field model, the most suitable set of potential functions, AMBER, has been selected. The main structural and physical properties of the Q~ clathrates -the formation energy, the arrangement and barriers of rotation of the guest molecules in the cages, and the rigidity of the lattice, have been calculated. The microscopic mechanisms which lead to the non-monotonic compression and expansion of the cage, depending on the size of the guest, are discussed. Satisfactory agreement with the extensive experimental data has been obtained.
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