OSO3F2 AND OSO2F4, PREPARATION AND CRYSTAL-STRUCTURES

被引：27

作者：

BOUGON, R ^{[1
]}

BUU, B ^{[1
]}

SEPPELT, K ^{[1
]}

机构：

[1] FREE UNIV BERLIN,INST ANORGAN & ANALYT CHEM,W-1000 BERLIN 33,GERMANY

来源：

CHEMISCHE BERICHTE-RECUEIL | 1993年 / 126卷 / 06期

关键词：

OSMIUM DIFLUORIDE TRIOXIDE; PREPARATION; STRUCTURE; OSMIUM TETRAFLUORIDE DIOXIDE;

D O I：

10.1002/cber.19931260610

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new method for preparing OsO3F2 is presented. Its crystal structure reveals a polymeric chain structure with distorted octahedral geometry for the OsO3F3 units and symmetrical, non-linear fluorine bridges. The OsO3F3 unit has a facial geometry. This structure is not in accord with predictions on the molecular structure of OsO3F2. OsO2F4, obtained from KrF2 and OsO4, crystallizes in the space group P6(1) forming a sixfold helical chain arrangement of nearly octahedral OsO2F4 molecules. Oxygen or fluorine atoms are partially disordered. The cis orientation of the two oxygen atoms is established by means of NMR, vibrational spectroscopy, and X-ray data.

引用

页码：1331 / 1336

页数：6

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