The synthesis and characterisation of bis(diisopropylphosphoryl)ferrocene Fe[(C5H4)P(O)i-Pr2]2, bis(diisopropylthiophosphoryl)ferrocene Fe[(C5H4)P(S)i-Pr2]2 and bis(diisopropylselenophosphoryl)ferrocene Fe[(C5H4)P(Se)i-Pr2]2

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Authors	NEČAS Marek BERAN Martin WOOLLINS John Derek NOVOSAD Josef
Year of publication	2001
Type	Article in Periodical
Magazine / Source	Polyhedron
MU Faculty or unit	Faculty of Science
Citation
Field	Inorganic chemistry
Keywords	diphosphino ligands; chalcogens; ferrocene; X-ray crystallography
Description	The synthesis and spectroscopic characterisation of three chalcogenophosphoryl ligands derived from ferrocene is reported. The synthesis was based on the oxidation of Fe[(eta (5)-C5H4)P ' Pr-2](2) by elementary sulfur and selenium, and hydrogen peroxide, respectively. All new compounds were characterised by X-ray crystallography and comparison with their aryl analogues was made. Contrary to Fe[(eta(5)-C5H4)P(E)Ph-2](2) (E = O, S, Se), the prepared compounds are not centrosymmetric, with the iso-propyl groups showing more flexibility than the phenyl substituents.
Related projects:	Structure and character of bonding, properties and analysis of synthetic and natural molecular ensembles