(C4N2H12)[FeII0.86FeIII1.14(HPO3)1.39(HPO4)0.47(PO4)0.14F3]: A FluoroPhosphiteHydrogenphosphatePhosphate Iron(II,III) Mixed-Valence Organically Templated Compound ( This work was financially supported by the Ministerio de Educación y Ciencia (PB97-0640; BQU2001-0678) and Universidad del País Vasco/EHU (9/UPV00169.310-13494/2001; 9/UPV00130.310-13700/2001), which we gratefully acknowledge. )