Ja. Paixao et al., Crystal structure of diphenylguanidinium dihydrogenphosphite-phosphoric acid-water (2/1/1), 2[(C13N3H14)(H2PO3) center dot H3PO3 center dot H2O, Z KRIST-NEW, 215(3), 2000, pp. 352-354
C26H37N6O10OP3, triclinic, P (1) over bar (No. 2), a = 10.961(3)Angstrom, b
= 12.2M(4) Angstrom, c = 14.128(4) Angstrom, alpha = 76.40(3)degrees, beta
= 73.33(3)degrees, gamma = 63.50(4)degrees, V = 1620.4 Angstrom(3), Z = 2,
R-gt(F) = 0.050, wR(ref)(F)(2) = 0.158, T = 293 K.