New layered uranium(VI) molybdates: Syntheses and structures of (NH3(CH2)(3)NH3)(H3O)(2)(UO2)(3)(MoO4)(5), C(NH2)(3)(UO2)(OH)(MoO4), (C4H12N2)(UO2)(MoO4)(2), and (C5H14N2)(UO2)(MoO4)(2)center dot H2O - Halasyamani, P; Francis, R; Walker, S; O'Hare, D (1999)