Hydrogen-bonded liquid crystals built from hydrogen-bonding donors and acceptors: Infrared study on the stability of the hydrogen bond between carboxylic acid and pyridyl moieties

Takashi Kato; Toshiyuki Uryu; Fumiko Kaneuchi; Chihiro Jin; Jean M.J. Fréchet

doi:10.1080/02678299308026444

Hydrogen-bonded liquid crystals built from hydrogen-bonding donors and acceptors: Infrared study on the stability of the hydrogen bond between carboxylic acid and pyridyl moieties

Takashi Kato^*, Toshiyuki Uryu, Fumiko Kaneuchi, Chihiro Jin, Jean M.J. Fréchet

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

213 Scopus citations

Abstract

The stability of a hydrogen-bonded complex built through inter-molecular hydrogen bonding between carboxylic acid and pyridine fragments has been examined using infrared spectroscopy. Infrared spectra as a function of temperature have been recorded for the 1:1 complex of 4-hexyloxybenzoic acid and trans-4-propoxy-4′-stilbazole from the crystalline state to the isotropic state. A dependence of the stability of the hydrogen bond on molecular orientation is observed clearly in the infrared spectra. The spectra also suggest that the hydrogen bond is an unionized type with a double minimum potential energy.

Original language	English (US)
Pages (from-to)	1311-1317
Number of pages	7
Journal	Liquid Crystals
Volume	14
Issue number	5
DOIs	https://doi.org/10.1080/02678299308026444
State	Published - Jan 1 1993
Externally published	Yes

ASJC Scopus subject areas

General Chemistry
General Materials Science
Condensed Matter Physics

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title = "Hydrogen-bonded liquid crystals built from hydrogen-bonding donors and acceptors: Infrared study on the stability of the hydrogen bond between carboxylic acid and pyridyl moieties",

abstract = "The stability of a hydrogen-bonded complex built through inter-molecular hydrogen bonding between carboxylic acid and pyridine fragments has been examined using infrared spectroscopy. Infrared spectra as a function of temperature have been recorded for the 1:1 complex of 4-hexyloxybenzoic acid and trans-4-propoxy-4′-stilbazole from the crystalline state to the isotropic state. A dependence of the stability of the hydrogen bond on molecular orientation is observed clearly in the infrared spectra. The spectra also suggest that the hydrogen bond is an unionized type with a double minimum potential energy.",

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AU - Uryu, Toshiyuki

AU - Kaneuchi, Fumiko

AU - Jin, Chihiro

AU - Fréchet, Jean M.J.

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AB - The stability of a hydrogen-bonded complex built through inter-molecular hydrogen bonding between carboxylic acid and pyridine fragments has been examined using infrared spectroscopy. Infrared spectra as a function of temperature have been recorded for the 1:1 complex of 4-hexyloxybenzoic acid and trans-4-propoxy-4′-stilbazole from the crystalline state to the isotropic state. A dependence of the stability of the hydrogen bond on molecular orientation is observed clearly in the infrared spectra. The spectra also suggest that the hydrogen bond is an unionized type with a double minimum potential energy.

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Hydrogen-bonded liquid crystals built from hydrogen-bonding donors and acceptors: Infrared study on the stability of the hydrogen bond between carboxylic acid and pyridyl moieties

Abstract

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