The new complex [Ag2(hfac)2(μ-dmpm)2] (hfac = hexafluoroacetylacetonato, dmpm = Me2PCH2PMe2) has been prepared and characterized both spectroscopically and by an X-ray structure determination (orthorhombic, Pbca (No. 61), a = 9.960(2), b = 14.694(3), c = 22.548(3) Å, Z = 4, R = 0.0495, Rw = 0.0532). The data indicate that the hfac− ligands have mostly ionic character and it is suggested that this may be responsible for the low volatility of complexes [Ag(hfac)Ln] compared to [Cu(hfac)Ln]; these complexes are of interest as precursors for chemical vapour deposition of silver.
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Yuan et al. (1994) studied this question.
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