Rotation of Aromatic Hydrocarbons in Viscous Alkanes. 2. Hindered Rotation in Squalane
β Scribed by Brocklehurst, Brian; Young, Ronald N.
- Book ID
- 126949398
- Publisher
- American Chemical Society
- Year
- 1999
- Tongue
- English
- Weight
- 148 KB
- Volume
- 103
- Category
- Article
- ISSN
- 1089-5639
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π SIMILAR VOLUMES
Hindered rotation about single bonds baa been observed in a wide variety of molecules. Recent investigations of substituted butadienes have used nmr techniques to characterize this phenomenon, which renders these molecnles cbirall. We wish to report the preparation of hydrocarbons~and~, substituted
Printal in Circa1 Britain. oo4o-4020:88 s3.00 + .oa Q 1988 F'ergamon PRSS plc HINDERED ROTATION OF AXIALLY COORDINATED 2.METHYLIMIDAZOLES IN TETRAMESmYLPORPHYRINATO-IRON(I1I.l COMPLEXES
The hindered rohtiond energy Ievels of the ammonium ion in (NH4)zSnCl6 have been computed\_ These energy levels uad CO interpret the Iibrstionat frequencies, tunneliq frequencies, and rotational heat capacity of the ammonium ion
Nuc& spin-laf!icereIaXation times TI for deuterons &d I9 F ngcfei in polycrystalline (ND&&F6 were mezsured by the puke metfiod at B MHz between'40 R and 300 i and betwkzn 4 K and 400 K, respectively. Cc~nelatian times and activation energies for the rea~ent~~j~n? motions of ND3 and C&F;-ions iiiere