The infra-red absorption spectrum of pentaphenylphosphorane

C. Degani; M. Halmann; I. Laulicht; S. Pinchas

doi:10.1016/0371-1951(64)80156-9

The infra-red absorption spectrum of pentaphenylphosphorane

C. Degani, M. Halmann, I. Laulicht, S. Pinchas

Weizmann Institute of Science

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Abstract

The infrared absorption of pentaphenylphosphorane in the 230-4000 cm^-1 region was measured. Three bands in the 650-710 cm^-1 region are considered to be due to fundamental PC stretching vibrations. These (in cyclohexane solution) are 655·8, 701·6 and 707·6 cm^-1. Three such vibrations are expected with a simple square pyramidal structure (point group C_4v), while a trigonal bipyramidal structure (point group D_3h) would require only two infra-red active PC stretching modes.

Original language	English
Pages (from-to)	1289-1293
Number of pages	5
Journal	Spectrochimica Acta
Volume	20
Issue number	8
DOIs	https://doi.org/10.1016/0371-1951(64)80156-9
State	Published - Aug 1964
Externally published	Yes

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title = "The infra-red absorption spectrum of pentaphenylphosphorane",

abstract = "The infrared absorption of pentaphenylphosphorane in the 230-4000 cm-1 region was measured. Three bands in the 650-710 cm-1 region are considered to be due to fundamental PC stretching vibrations. These (in cyclohexane solution) are 655·8, 701·6 and 707·6 cm-1. Three such vibrations are expected with a simple square pyramidal structure (point group C4v), while a trigonal bipyramidal structure (point group D3h) would require only two infra-red active PC stretching modes.",

author = "C. Degani and M. Halmann and I. Laulicht and S. Pinchas",

year = "1964",

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AU - Halmann, M.

AU - Laulicht, I.

AU - Pinchas, S.

PY - 1964/8

Y1 - 1964/8

N2 - The infrared absorption of pentaphenylphosphorane in the 230-4000 cm-1 region was measured. Three bands in the 650-710 cm-1 region are considered to be due to fundamental PC stretching vibrations. These (in cyclohexane solution) are 655·8, 701·6 and 707·6 cm-1. Three such vibrations are expected with a simple square pyramidal structure (point group C4v), while a trigonal bipyramidal structure (point group D3h) would require only two infra-red active PC stretching modes.

AB - The infrared absorption of pentaphenylphosphorane in the 230-4000 cm-1 region was measured. Three bands in the 650-710 cm-1 region are considered to be due to fundamental PC stretching vibrations. These (in cyclohexane solution) are 655·8, 701·6 and 707·6 cm-1. Three such vibrations are expected with a simple square pyramidal structure (point group C4v), while a trigonal bipyramidal structure (point group D3h) would require only two infra-red active PC stretching modes.

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JO - Spectrochimica Acta

JF - Spectrochimica Acta

IS - 8

ER -

The infra-red absorption spectrum of pentaphenylphosphorane

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