ChemInform Abstract: Crystal Structure of La(AuF4)3, the Starting Compound in the Series M( AuF4)3-xFx (x = 0, 0.5, and 1).
Abstract
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ChemInform Abstract
Yellow single crystals of the novel title compound are prepared by reaction of LaF3 with a 3.5-fold molar excess of AuCl3 6 d at 300 . degree.C in a N2/F2 flow followed by heating 3 d at 250 °C in an autoclave under N2/Ar and 7 d in sealed gold ampoules up to 500 . degree.C under Ar atmosphere. As revealed from the XRD data, La(AuF4)3 crystallizes in the trigonal space group R3c with Z = 6. The structure is built-up from (LaF9) 3-fold capped square trigonal prisms and square planar (AuF4) units.
