thermally unstable [Ag(CF2H)(2)](-) moiety is obtained in solution by reaction of silver(I) salts with Cd(CF2H)(2) in DMF/diglyme at -80 degrees C. Oxidation with 12 leads to the argentate(III) [Ag(CF2H)(4)](-), which has been isolated as its PNP salt. According to DSC/TG analysis, the exothermic decomposition of this air-stable salt proceeds in two steps at 121 and 150 degrees C with formal elimination of one and three CFH units, respectively. Difluoromethylation of [Ag(CN)(2)](-) in the presence of acetyl chloride leads to the argentate(I) [Ag(CF2H)(CN)](-); which is oxidized by bromine at low temperatures to the thermally labile [trans-Ag(CF2H)(2)(CN)(2)](-) anion. Stable argentates(III) containing both difluoromethyl and trifluoromethyl groups are obtained by reaction of [Ag(CF3)(n)(CN)(4-n)](-) (n = 1, 2-cis, 2-trans, and 3) with Cd(CF2H)(2)-the cis and trans configurations of the reactants being retained in their products for n = 2. The compounds are identified and characterized by multinuclear NMR spectroscopy. Crystals of [PNP][Ag(CF2H)(4)] belong to the tetragonal space group P4(3) with a = 9.475(1) Angstrom, c = 42.159(6) Angstrom, and Z = 4. The coordination of the silver atom is approximately square-planar with an average Ag-C bond length of 2.083(14) Angstrom. The ligands are so oriented that each C-H bond is geared between the C-F bonds of a neighboring CF2H group-the overall symmetry being approximately C-4h.