Determination of the rα-structure of cyclopropane by NMR of partially oriented molecules allowing for the correlation between vibration and rotation

Kellerhals, Michele B.; Diehl, P.; Lounila, Juhani; Wasser, R.

doi:10.1016/0022-2860(87)87029-1

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Allene: H2c ~--~ C---~ Ch21

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1987

1994

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Cited by 11 publications

(1 citation statement)

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“…In fact, the ro(C--H ) microwave value is also too low as it appears in Table III (it may be noted that an earlier Raman study gives ro(C--H) = 1.083(3)/k [64]), and its r z value is also slightly too low. This last point is confinned by an accurate NMR study of cyclopropane dissolved in liquid crystals [65]. That study gives…”

Section: Allene: H2c ~--~ C---~ Ch2mentioning

confidence: 98%

The equilibrium C-H bond length

Demaison

Wlodarczak

1994

Struct Chem

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Section: Allene: H2c ~--~ C---~ Ch2mentioning

confidence: 98%

The equilibrium C-H bond length

Demaison

Wlodarczak

1994

Struct Chem

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Determination of the r_α structures of ethylene and 1,1‐difluoroethylene by NMR of partially oriented molecules allowing for correlated deformation

Wasser¹,

Diehl²

1987

Magnetic Reson in Chemistry

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The r, structures of ethylene and 1,l-difluoroethylene have been determined by NMR of partially oriented molecules, considering the interaction between the solute molecule and the liquid crystal solvent which leads to a correlation between molecular vibration and rotation. The analysis of the data also provides the interaction parameters which characterize the torques acting on the individual molecular bonds, deforming and simultaneously orienting the solute. A linear relationship between the interaction parameters for the C-H bonds of the two solutes and methane in the same solvents has been found.

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Proton NMR study of partially oriented benzene and chlorobenzene: Determination of the r_α structure and of bond contributions to the orientation

Wasser¹,

Kellerhals²,

Diehl³

1989

Magnetic Reson in Chemistry

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Solvent effects on the structures of benzene and chlorobenzene were studied by NMR of partially oriented molecules in six liquid crystals. Allowing for the correlation between vibration and rotation, a unique solventindependent r. structure could be determined for both molecules. The contributions of equivalent bonds to the orientation energy of the two molecules were found to differ slightly.KEY WORDS NMR r, structure of benzene and chlorobenzene orientation

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Determination of the rα-structure of cyclopropane by NMR of partially oriented molecules allowing for the correlation between vibration and rotation

Cited by 11 publications

References 13 publications

The equilibrium C-H bond length

The equilibrium C-H bond length

Determination of the r_α structures of ethylene and 1,1‐difluoroethylene by NMR of partially oriented molecules allowing for correlated deformation

Proton NMR study of partially oriented benzene and chlorobenzene: Determination of the r_α structure and of bond contributions to the orientation

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Determination of the rα-structure of cyclopropane by NMR of partially oriented molecules allowing for the correlation between vibration and rotation

Cited by 11 publications

References 13 publications

The equilibrium C-H bond length

The equilibrium C-H bond length

Determination of the rα structures of ethylene and 1,1‐difluoroethylene by NMR of partially oriented molecules allowing for correlated deformation

Proton NMR study of partially oriented benzene and chlorobenzene: Determination of the rα structure and of bond contributions to the orientation

Contact Info

Product

Resources

About

Determination of the r_α structures of ethylene and 1,1‐difluoroethylene by NMR of partially oriented molecules allowing for correlated deformation

Proton NMR study of partially oriented benzene and chlorobenzene: Determination of the r_α structure and of bond contributions to the orientation