F5 Fe H8 N2 Croguennec L, Deniard P, Brec R, Couzi M, Sourisseau C, Fourquet J, Calage Y Journal of Solid State Chemistry 131 (1997) 189-197 Structural and spectroscopic evidence for hydrogen bonding induced (N H4)(+) cation ordering in beta-(N H4)2 Fe F5 at low temperature _cod_database_code 1000446 _database_code_amcsd 0013925 6.3269 7.6076 10.9802 90 90 90 Pnma atom x y z N1 .442 .25 .198 N2 .512 .25 .854 Fe1 0 0 0 F1 .081 .25 -.002 F2 .225 .045 .442 F3 .102 .546 .163 H1 .426 .3573 .872 H2 .64 .25 .90 H3 .55 .25 .766