IR spectroscopic study of the conformational lability of 4?-ethyl-4-cyanobiphenyl

Babkov, L. M.; Gnatyuk, I. I.; Puchkovskaya, G. A.; Trukhachev, S. V.

doi:10.1007/s10947-005-0002-0

J Struct Chem

2004

DOI: 10.1007/s10947-005-0002-0

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IR spectroscopic study of the conformational lability of 4?-ethyl-4-cyanobiphenyl

L. M. Babkov

I. I. Gnatyuk

G. A. Puchkovskaya

et al.

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2009

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“…Herein analogous investigations are made for 4CB. They complement results and conclusions obtained previously [2][3][4][5] for other members of the homologous series nCB.…”

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confidence: 90%

“…The phase transition into a nematic liquid crystal occurs upon cooling liquid 4CB to T = 16. The conformational fluxionality and intermolecular interaction in nCB for n = 2, 5, 8, and 9 have been investigated by IR spectroscopy [2][3][4][5]. Spectra of these compounds were measured over a broad temperature range in the crystalline, liquid-crystalline, and liquid phases.…”

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confidence: 99%

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IR spectra temperature changes and conformational structure of 4-butyl-4′-cyanobiphenyl

et al. 2009

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UDC 535. 34:539.196.3 IR spectra of 4-butyl-4′-cyanobiphenyl in the liquid and solid-crystal states were measured in the 400-4000 cm -1 region at 28-70 o C. Changes of the spectra as a function of temperature are due to the conformational fluxionality of the molecules according to calculated IR spectra of the possible 4-butyl-4′-cyanobiphenyl conformers. Calculations were carried out using the method of fragments and the LEV-100 program package. Bands sensitive to the conformational changes in the molecular structure were found. IR spectra have been interpreted. Conclusions have been made about the conformations of the sample in the solid-crystal and liquid phases.

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“…Herein analogous investigations are made for 4CB. They complement results and conclusions obtained previously [2][3][4][5] for other members of the homologous series nCB.…”

supporting

confidence: 90%

mentioning

confidence: 99%

IR spectra temperature changes and conformational structure of 4-butyl-4′-cyanobiphenyl

et al. 2009

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IR spectroscopic study of the conformational lability of 4?-ethyl-4-cyanobiphenyl

Cited by 1 publication

References 4 publications

IR spectra temperature changes and conformational structure of 4-butyl-4′-cyanobiphenyl

IR spectra temperature changes and conformational structure of 4-butyl-4′-cyanobiphenyl

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