CRYSTAL AND MOLECULAR STRUCTURE OF 1,3,5,7-TETRAMETHYLCYCLOOCTA-CIS,CIS,CIS,CIS-1,3,5,7-TETRAENE

被引：19

作者：

AVITABIL.G

GANIS, P

PETRACCO.V

机构：

[1] Istituto Chimico, Università di Napoli, Naples

来源：

JOURNAL OF PHYSICAL CHEMISTRY | 1969年 / 73卷 / 07期

关键词：

D O I：

10.1021/j100727a047

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 crystal structure of the title compound has been determined : space group I41/a, a = b = 7.53 ± 0.03 Å, c = 18.54 ± 0.10 Å. The structural problem was solved by using the close-packing principle. The molecule has 84 symmetry. Carbon-carbon bond lengths in the ring are alternatively 1.33 and 1.48 Å; valence angles are 122°. These parameters are not significantly different from those of cyclooctatetraene and of most crystalline derivatives of cyclooctatetraene. The conformational parameters of the molecule are discussed in connection with its variable-temperature pmr behavior.

引用

页码：2378 / &

共 14 条

[1]

ALLINGER LN, 1962, J ORG CHEM, V27, P443

[2]

AVITABILE G, 1966, RIC SCI, V36, P681

[3] REINVESTIGATION OF THE MOLECULAR STRUCTURE OF 1,3,5,7-CYCLOOCTATETRAENE BY ELECTRON DIFFRACTION [J].