SYNTHESIS AND CHARACTERIZATION OF [ETA(4)-P7NI(CO)](3-), [ETA(4)-HP7NI(CO)](2-), AND [ETA(2)-P7PTH(PPH(3))](2-) - 2 ELECTRONICALLY EQUIVALENT PROTONATED ZINTL ION COMPLEXES WITH MARKEDLY DIFFERENT STRUCTURES
S. Charles et al., SYNTHESIS AND CHARACTERIZATION OF [ETA(4)-P7NI(CO)](3-), [ETA(4)-HP7NI(CO)](2-), AND [ETA(2)-P7PTH(PPH(3))](2-) - 2 ELECTRONICALLY EQUIVALENT PROTONATED ZINTL ION COMPLEXES WITH MARKEDLY DIFFERENT STRUCTURES, Journal of the American Chemical Society, 118(19), 1996, pp. 4713-4714