Molecular and crystal structure of 4′-cyanobenzo-15-crown-5

被引：0
|
作者：
Talipov, SA [1 ]
Karimov, Z
Ibragimov, BT
Tashmukhamedova, AK
Saifullina, NZ
Aripov, TF
机构：
[1] Inst Bioorgan Chem, Tashkent, Uzbekistan
[2] Inst Agr Irrigat & Mechanizat, Tashkent, Uzbekistan
[3] Tashkent State Univ, Fac Chem, Tashkent, Uzbekistan
来源：
CRYSTALLOGRAPHY REPORTS | 2000年 / 45卷 / 03期
关键词：
Crystal Structure; Torsion Angle; Macrocycle; Crystallographic Parameter;
D O I：
10.1134/1.171215
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The crystal structure of 4'-cyanobenzo-15-crown-5 is determined by X-ray diffraction, The crystallographic parameters of single crystals are as follows: a = 40.479(6) Angstrom, b = 8.821(2) Angstrom, c = 8.484(2) Angstrom, beta = 93.94(2)degrees, V= 3022.2 Angstrom(3), Z = 8, d(calcd) = 1.27 g/cm(3), and space groupC2/c. The structure is solved by the direct method and refined by the least-squares procedure to R = 0.068. The conformation of the macrocycle in 4'-cyano-B15C5 is described by the a-a-g(-)-a-a-g-g(-)-a-a-g-a-g-a-a-s sequence of torsion angles. (C) 2000 MAIK "Nauka/Interperiodica".
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页码：449 / 452
页数：4
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