## Abstract The unusual species [ReH~5~(H~2~){P(__p__βtolyl)~3~}~2~], for which a neutron diffraction study shows an intermediate Hο£ΏH bond distance of 1.357 Γ , is studied by variableβtemperature ^1^H NMR spinβlattice (__T__~1~) relaxation time measurements. The __T__~1~ relaxation rate goes through
Testing the T1 method: a comparison of T1(min) and structural data
β Scribed by Luo, Xiao Liang; Crabtree, Robert H.
- Book ID
- 127204076
- Publisher
- American Chemical Society
- Year
- 1990
- Tongue
- English
- Weight
- 555 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0020-1669
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π SIMILAR VOLUMES
Spin-lattice (T1) relaxation times are conventionally estimated using inversion recovery or saturation recovery sequences. Such "recovery" methods are limited in magnetic resonance imaging by the long times required to collect multiple points along the T1 relaxation curve. This problem can be overco
The T, and Tz geometrical structures of planar s-tram and s-cis butadiene are optimized, and the four corresponding force fields are calculated at the multi-configuration self-consistent field level of theory using the 4-3 1 G basis set (MCSCF!4-3 1 G ). The results are found to be very similar for