(1)Brooker, S.; Edelmann, F. T.; Kottke, T.; Roesky, H. W.; Sheldrick, G. M.; Stalke, D.; Whitmire, K. H. "Comparison of the x-ray crystal structure of the sodium and potassium 2,4,6-tris(trifluoromethyl)phenoxides (RO-) and 2,4,6-tris(trifluoromethyl)benzenethiolates (RS-); [Na(OR)(thf)2]2, [K(OR)(thf)2(μ-thf)]2, [Na(SR)(thf)2.0.25thf]x and [K(SR)(thf)]x (thf = tetrahydrofuran)," J. Chem. Soc., Chem. Comm. 1991, 144-6.