DIPOLE MOMENTS OF 1-ALKYLPYRAZOLES IN NONPOLAR AND POLAR SOLVENTS

被引：3

作者：

BROADUS, JD

VAUGHAN, JD

机构：

[1] Department of Chemistry, Colorado State University, Fort Collins

来源：

JOURNAL OF PHYSICAL CHEMISTRY | 1968年 / 72卷 / 03期

关键词：

D O I：

10.1021/j100849a036

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The dipole moments of 1-methylpyrazole, 1-ethylpyrazole, and 1-isopropylpyrazole were measured in nine nonpolar and polar solvents. A smooth relation between the measured dipole moment and the dielectric constant of the medium was not observed; deviations were attributed to specific donor-acceptor interactions and/or intermolecular hydrogen bonding. The gas-phase dipole moments were estimated by extrapolation, and the changes in dipole moment attending N-alkyl substitution were interpreted according to a vector model.

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页码：1005 / &

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