Donor-stabilized oxide and oxide-fluoride of main group elements

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Authors	ŽÁK Zdirad ČERNÍK Miloš NEPLECHOVÁ Kamila TOUŽÍN Jiří
Year of publication	1996
Type	Article in Proceedings
Conference	XVII Congress of International Union of Crystallography. Collected Abstracts.
MU Faculty or unit	Faculty of Science
Citation
Field	Inorganic chemistry
Keywords	Oxides; Oxide-fluorides; Donor-stabilized; Crystal structure
Description	The crystal structures of two novel compounds, [F2OP-O-PF2(bipy)-O-POF2]+[PO2F2]- (I) and [O3Se-O-SeO(py)3].py (II) with different coordination numbers of P or Se atoms were determined. The cation in (I) can formally be derived from [PF4]+ by coordination of one molecule of 2,2'-bipyridine and substitution of two F atoms by -OP(O)F2 groups. It has both F atoms in cis-positions and represents the first halogenophosphorus(V) cation containing more than one P atom.
Related projects:	Synthesis ,structure and bonding of compounds containing phosphorus,nitrogen,chalcogene and/or halogene atoms