A Phase Transition and Molecular Dynamics in Crystalline C6H5CHCI2 by 35Cl NQR Investigations

Kjuntsel, I.A.; Mokeeva, V. A.; Soǐfer, G. B.; Shaposhnikov, I. G.

doi:10.1515/zna-1986-1-249

Cited by 4 publications

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“…190 and 235 K depends anomalously on the temperature (see Figure 4). The temperature dependence of T x in this region exhibits a dip somewhat similar to that reported for dichlorotoluene [8] and NH 4 H(ClCH 2 COO) 2 [9], In these compounds, the dip corresponds to a second order phase transition. The drop of T, observed for phase II should not be regarded as a dip, because the phase transition in 4-chlorobenzyl alcohol is clearly of first order.…”

Section: Tj In Phase IIsupporting

confidence: 77%

A Pulsed ³⁵Cl NQR Study on the Molecular Motions and Phase Transition of 4-Chlorobenzyl Alcohol

Niki

Kano

Hashimoto

1996

Zeitschrift Für Naturforschung A

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The spin-lattice and spin-spin relaxation times T t and T 2 of 35 C1 NQR were measured for the high (I) and low (II) temperature phases of 4-chlorobenzyl alcohol in the range 50< T/K <338 (transition and melting points: 236 and 343.5 K, respectively). In phase II the T x behavior in the range 50< T/K<90 can be explained by lattice vibrations and that in the range 90260 K is explainable by another reorientation with £ a %4.7 kJ/mol. The T, vs. T curves revealed that in both phases the crystal dynamics is anomalous in the vicinity of the transition temperature. Lattice defects accumulated in phases I and II by the phase transition were found to be responsible for the extremely short inverse line width parameters (7^).

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Section: Tj In Phase IIsupporting

confidence: 77%

A Pulsed ³⁵Cl NQR Study on the Molecular Motions and Phase Transition of 4-Chlorobenzyl Alcohol

Niki

Kano

Hashimoto

1996

Zeitschrift Für Naturforschung A

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11-108 - 11-201: C7H5Cl3 - C8H7ClO3

Chihara¹,

Nakamura²

Landolt-Börnstein - Group III Condensed Matter

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Chihara¹,

Nakamura²

Landolt-Börnstein - Group III Condensed Matter

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A Phase Transition and Molecular Dynamics in Crystalline C₆H₅CHCI₂ by ³⁵Cl NQR Investigations

Abstract: The NQR frequency ν and the spin-lattice relaxation time T

Cited by 4 publications

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A Pulsed ³⁵Cl NQR Study on the Molecular Motions and Phase Transition of 4-Chlorobenzyl Alcohol

A Pulsed ³⁵Cl NQR Study on the Molecular Motions and Phase Transition of 4-Chlorobenzyl Alcohol

11-108 - 11-201: C7H5Cl3 - C8H7ClO3

References to Table 11

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A Phase Transition and Molecular Dynamics in Crystalline C6H5CHCI2 by 35Cl NQR Investigations

Abstract: The NQR frequency ν and the spin-lattice relaxation time T

Cited by 4 publications

References 0 publications

A Pulsed 35Cl NQR Study on the Molecular Motions and Phase Transition of 4-Chlorobenzyl Alcohol

A Pulsed 35Cl NQR Study on the Molecular Motions and Phase Transition of 4-Chlorobenzyl Alcohol

11-108 - 11-201: C7H5Cl3 - C8H7ClO3

References to Table 11

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A Phase Transition and Molecular Dynamics in Crystalline C₆H₅CHCI₂ by ³⁵Cl NQR Investigations

A Pulsed ³⁵Cl NQR Study on the Molecular Motions and Phase Transition of 4-Chlorobenzyl Alcohol

A Pulsed ³⁵Cl NQR Study on the Molecular Motions and Phase Transition of 4-Chlorobenzyl Alcohol