Temperature Dependences of Characteristics of 2,5-Hexanediol and 1,2,6-Hexanetriol Cluster Structures According to Dielectric Radiospectroscopy

T. M. Usacheva; V. I. Zhuravlev

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Temperature Dependences of Characteristics of 2,5-Hexanediol and 1,2,6-Hexanetriol Cluster Structures According to Dielectric Radiospectroscopy

机译：介电光谱法研究2,5-己二醇和1,2,6-己三醇簇结构特征的温度依赖性

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Dielectric radiospectra (DRS) of 2,5-hexanediol and 1,2,6-hexanetriol at frequencies of 1 MHz, 9.375, 36.885, and 74.569 GHz in a temperature range of 303-423 K (above the glass transition temperatures) are studied. Experimental DRS are analyzed using the Dissado-Hill (DH) cluster model. The dependence of the equilibrium and relaxation characteristics of DRS on the number of OH groups is studied. The dipole moments of the clusters are calculated. The change in the orientation of the dipole moments of the molecules in the cluster during the rearranging of its structure is characterized through the unit vector of the longitudinal component of dipole moment M_e of the cluster. The relation between a change in the Onsager-Kirkwood-Fr?hlich correlation factor and the behavior of M_e is shown.

机译：研究了在303-423 K（高于玻璃化转变温度）温度范围内的1 MHz，9.375、36.885和74.569 GHz频率下的2,5-己二醇和1,2,6-己三醇的介电谱（DRS）。使用Dissado-Hill（DH）聚类模型分析实验性DRS。研究了DRS的平衡和弛豫特性对OH基数的依赖性。计算出簇的偶极矩。通过重新排列簇的偶极矩M_e的纵向分量的单位矢量来表征簇中分子的偶极矩的取向在结构重新排列期间的变化。显示了Onsager-Kirkwood-Fr？hlich相关因子的变化与M_e的行为之间的关系。

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《Russian Journal of Physical Chemistry》 |2013年第3期|共7页
作者
T. M. Usacheva; V. I. Zhuravlev;
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正文语种 eng
中图分类物理化学（理论化学）、化学物理学;
关键词
diol; triol; dielectric radiospectra; dipole moment of a molecule; dipole moment of a cluster; glass transition temperature; unit vector of the longitudinal component;

机译：二醇;三醇;介电谱;分子的偶极矩;簇的偶极矩;玻璃化转变温度;纵向分量的单位向量;

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1. Temperature Dependences of Characteristics of 2,5-Hexanediol and 1,2,6-Hexanetriol Cluster Structures According to Dielectric Radiospectroscopy [J] . T. M. Usacheva, V. I. Zhuravlev Russian Journal of Physical Chemistry . 2013,第3期

机译：介电光谱法研究2,5-己二醇和1,2,6-己三醇簇结构特征的温度依赖性
2. Temperature-dependent dielectric relaxation study of 1,2,6-hexanetriol using TDR method [J] . S.D. Shirgirea P.G. Hudgea amp, A.C. Kumbharkhanea* Physics and Chemistry of Liquids . 2012,第3期

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Temperature Dependences of Characteristics of 2,5-Hexanediol and 1,2,6-Hexanetriol Cluster Structures According to Dielectric Radiospectroscopy

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