The first metal phosphatooxalate containing a chiral amine, (R-C5H14N2)(2)[Ga-4(C2O4)(H2PO4)(2)(PO4)(4)]. 2H(2)O, has been synthesized hydrothermally and characterized by single-crystal X-ray diffraction and P-31 MAS NMR spectroscopy. It crystallizes in t