Sw. Ng et Mm. Turnbull, METHYLPHENYLAMMONIUM HYDROGEN 2,6-PYRIDINEDICARBOXYLATE AT 158 K, Acta crystallographica. Section C, Crystal structure communications, 54, 1998, pp. 1025-1027
The hydrogen 2, 6-pyridinedicarboxylate anions in methylphenylammonium
hydrogen 2,6-pyridinedicarboxylate, C7H10N+.C7H4NO4-, are linked by a
hydrogen bond [O...O = 2.472(2) Angstrom] into a zigzag chain; the me
thylphenylammonium cations are linked to the chain by four N...O/N...N
hydrogen bonds.