Thiourea and Thiourea Inclusion Compounds. A 14N NQR Investigation

L. Guibé; A. Péneau; M. Gourdji; A. Panich

doi:10.1515/zna-2000-1-258

Thiourea and Thiourea Inclusion Compounds. A ¹⁴N NQR Investigation

L. Guibé, A. Péneau, M. Gourdji, A. Panich

Department of Physics

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

Abstract

A reinvestigation of the nitrogen-14 NQR in thiourea has permitted to record, apparently for the first time, the resonances above 169 K. The first order and second order of the transitions at 169 K and 202 K, respectively, appear clearly from the temperature dependence of the resonance frequencies; the modulated structure, incommensurate or commensurate, is also seen on the ¹⁴N NQR spectrum. This study is the first step of a new investigation of thiourea and its inclusion compounds.

Original language	English
Pages (from-to)	331-334
Number of pages	4
Journal	Zeitschrift fur Naturforschung - Section A Journal of Physical Sciences
Volume	55
Issue number	1-2
DOIs	https://doi.org/10.1515/zna-2000-1-258
State	Published - 1 Jan 2000

Keywords

Commensurate
Inclusion Compounds
Incommensurate Modulations
Nitrogen-14 NQR
Phase Transitions
Thiourea

ASJC Scopus subject areas

Mathematical Physics
General Physics and Astronomy
Physical and Theoretical Chemistry

Access to Document

10.1515/zna-2000-1-258

Cite this

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abstract = "A reinvestigation of the nitrogen-14 NQR in thiourea has permitted to record, apparently for the first time, the resonances above 169 K. The first order and second order of the transitions at 169 K and 202 K, respectively, appear clearly from the temperature dependence of the resonance frequencies; the modulated structure, incommensurate or commensurate, is also seen on the 14N NQR spectrum. This study is the first step of a new investigation of thiourea and its inclusion compounds.",

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AB - A reinvestigation of the nitrogen-14 NQR in thiourea has permitted to record, apparently for the first time, the resonances above 169 K. The first order and second order of the transitions at 169 K and 202 K, respectively, appear clearly from the temperature dependence of the resonance frequencies; the modulated structure, incommensurate or commensurate, is also seen on the 14N NQR spectrum. This study is the first step of a new investigation of thiourea and its inclusion compounds.

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