Bis(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato)(2,5,8,11,14,17-hexaoxaoctadecane)barium

被引:6
作者
Motevalli, M [1 ]
OBrien, P [1 ]
Watson, IM [1 ]
机构
[1] UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED,DEPT CHEM,LONDON SW7 2AY,ENGLAND
关键词
D O I
10.1107/S0108270196011122
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The mononuclear title complex. bis(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato-O-2,O-4)(2,5,8,11,14,17-hexa-oxaoctadecane-O-2,O-5,O-8,O-11,O-14,O-17)barium, [Ba(C5HF6O2)(2)(C12H26O6)], has a geometry similar to most other structurally characterized bis(beta-diketonato)barium polyether adducts. The central Ba2+ ion has a coordination number of ten. The hexadentate polyether coordinates meridionally with the beta-diketonato ligands on opposite sides of the neutral-ligand mean plane. The Ba-O bond lengths range from 2.758(3) to 2.858(3) Angstrom. All but one of the barium to polyether oxygen bonds are longer than the corresponding bonds to the beta-diketonato ligands. The coordinative saturation of the Ba2+ ion ensures that there are no strong intermolecular interactions, consistent with the volatility of the title compound.
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页码:3028 / 3030
页数:3
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