Chemistry of the Group 1B metals. Part 15. Some diphenylbis(pyrazolyl)borate complexes of silver, and the crystal and molecular structures of [Ag{P(C6H4Me-p)3}{BPh2(pz)2}](pz = pyrazolyl)
- 1 January 1981
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 4,p. 956-961
- https://doi.org/10.1039/dt9810000956
Abstract
The preparation and properties of [Ag{P(C6H4Me-p)3}{BH2(pz)2}], pz = pyrazolyl, and of [AgL{BPh2(pz)2}][L = P(C6H4Me-p)3, CNBut, P(OPh)3, or ½(Ph2PCH2PPh2)] are described, together with the structure of [Ag{P(C6H4Me-p)3}{BPh2(pz)2}], which has been determined by a single-crystal X-ray study. Crystals are triclinic, space group P1, with a= 16.984(5), b= 10.813(3), c= 10.029(3)Å, α= 104.18(3), β= 102.85(2), γ= 94.63(2)°, and Z= 2. The structure has been refined by least-squares methods using 4 110 independent reflections, to a conventional R of 0.039. The silver atom is pseudo-three-co-ordinate, with the BPh2(pz)2 ligand attached by one normal [2.194(4)Å] and one long [2.411(4)Å] Ag–N bond; the angle P–Ag–N is 160°.Keywords
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