Ammonium manganese phosphate monohydrate (NH4MnPO4.H2O) has been inves
tigated by means of X-ray powder diffraction. The title compound is or
thorhombic with unit-cell parameters n=5.7289(11), b=8.8167(12), and c
=4.9098(8) Angstrom. (C) 1997 International Centre for Diffraction Dat
a.