CRYSTAL-STRUCTURE OF THE COMPLEX BETWEEN 7,7,8,8-TETRACYANOQUINODIMETHANE AND 1-OXIDE-2-PHENYL-QUINOLINE

被引:3
作者
BOCELLI, G
CANTONI, A
GIORGINI, E
TOSI, G
机构
[1] UNIV ANCONA,DIPARTIMENTO SCI MAT TERRA,VIA BRECCE BIANCHE,I-60131 ANCONA,ITALY
[2] CNR,CTR STUDIO STRUTTURIST DIFFRATTOMETR,I-43100 PARMA,ITALY
来源
JOURNAL OF CRYSTALLOGRAPHIC AND SPECTROSCOPIC RESEARCH | 1990年 / 20卷 / 05期
关键词
D O I
10.1007/BF01180107
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
A series of complexes between 1-oxide quinolines and 7,7,8,8-tetracyanoquinodimethane has been synthesized and one of them has been analyzed by x-ray diffraction methods. Crystals of the title compound are monoclinic (C15H11NO·C12H4N4), space group P21/n, a=44.525(4), b=7.326(2), c=6.531(2) Å, β=90.23(3)°. The structure was solved by direct methods and refined by block-matrix least-squares to give R=0.047 for 1865 reflections above 2 σ(I). Molecular dimensions, interplanar distances, empirical method and IR spectra suggest a π-π* interaction with very low charge-transfer in the complex. © 1990 Plenum Publishing Corporation.
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页码:419 / 423
页数:5
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