CONFORMATIONAL ISOMERS OF N,N'-BIS-SALICYLIDENE-1,5-DIAMINO-3-OXAPENTANE-DIOXOURANIUM(VI) - 2 EXAMPLES OF COMPOUNDS CONTAINING BENT URANYL GROUPS

被引:23
作者
BROCK, AM
COOK, DH
FENTON, DE
BOMBIERI, G
FORSELLINI, E
BENETOLLO, F
机构
[1] UNIV SHEFFIELD, DEPT CHEM, SHEFFIELD S3 7HF, S YORKSHIRE, ENGLAND
[2] UNIV SHEFFIELD, DEPT CHEM, SHEFFIELD S3 7HF, S YORKSHIRE, ENGLAND
[3] CNR, CHIM & TECNOL RADIOELEMENTI, CORSO STATI UNITI, I-35100 PADUA, ITALY
来源
JOURNAL OF INORGANIC & NUCLEAR CHEMISTRY | 1978年 / 40卷 / 08期
关键词
D O I
10.1016/0022-1902(78)80467-9
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The title compound (saloden UO2) has been prepared and isolated in two crystalline modifications α and β. The α form crystallizes in orthorhombic system space group P212121 with a = 24.183(14), b = 10.525(7), c = 7.110(4) A ̊, Z = 4; the β form has the same space group wti a = 23.348(12), b = 11.786(6), c = 6.586(4), Z = 4. In both modifications the coordination geometry of the uranium atoms is a pentagonal bipyramid with the pentadentate ligand coordinated in a plane normal to the uranyl group. The compounds may be considered as conformational isomers differing mainly in the spatial arrangement of the ethylenic chains. The uranyl group is non-linear in both forms. A further species incorporating a chloroform molecule of solvation has been prepared. The IR and Raman spectral data are also reported and discussed. © 1978.
引用
收藏
页码:1551 / 1559
页数:9
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