AM_NH4H2PO4
Formula: N H6 P O4
Name: NH4H2PO4
Unit cell: 7.4997 7.4997 7.5493 90.0 90.0 90.0 , V=424.61
Space group: P212121 (19)

Baur W H , Acta Crystallographica, Section B , 29 (1973) p.2726-2731, Reconstruction of local atomic environments in the disordered, hydrogen-bonded crystal structures of paraelectric ammonium, dihydrogen phosphate and potassium dihydrogen phosphate, Note: polymorph of biphosphammite