STRUCTURE OF 1,1'-2,2'-BIS(OXYBISMETHYLENE)FERROCENE

被引：0
|
作者：
GEIB, SJ
RAO, SJ
PETTER, RC
机构：
[1] Department of Chemistry, Unversity of Pittsburgh
来源：
ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS | 1992年 / 48卷
关键词：
D O I：
10.1107/S0108270191004250
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
C14H14FeO2, M(r) = 270.1, monoclinic, P2(1)/n, a = 12.884 (6), b = 12.012 (6), c = 14.442 (7) angstrom, beta = 101.45 (3)-degrees, V = 2191 (2) angstrom 3, Z = 8, D(x) = 1.638 g cm-3, lambda(Mo K-alpha) = 0.71073 angstrom, mu = 13.58 cm-1, F(000) = 1120. T = 296 K, R(F) = 4.75% for 2654 reflections with F(o) > 5-sigma(F(o)) and 308 parameters. The complex is a doubly bridged ferrocene which is the product of the acid-catalyzed double dehydration of 1,1',2,2'-tetrakis(hydroxymethyl)ferrocene. The molecule crystallizes with the two oxybismethylene bridges in an endo-exo conformation. Comparisons made with related bridged ferrocenes suggest that the preference for endo-exo geometry derives from favorable dipole-dipole interaction between the ether oxygens.
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页码：25 / 27
页数：3
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