data_9016510
_publ_section_title
;
 Ueber die Kristallstruktur des primaeren Kaliumphosphats K H2 P O4
 und isomorpher Salze.
 _cod_database_code 1010576
;
_journal_name_full               'Zeitschrift fur Elektrochemie'
_journal_page_first              523
_journal_page_last               529
_journal_volume                  31
_journal_year                    1925
_chemical_formula_sum            'K P'
_space_group_IT_number           122
_symmetry_space_group_name_Hall  'I -4 2bw'
_symmetry_space_group_name_H-M   'I -4 2 d'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   7.42
_cell_length_b                   7.42
_cell_length_c                   6.97
_cell_volume                     383.743
_database_code_amcsd             0017460
_exptl_crystal_density_diffrn    1.213
_[local]_cod_chemical_formula_sum_orig 'P K'
_cod_database_code               9016510
_amcsd_formula_title             'H2 K O4 P'
loop_
_space_group_symop_operation_xyz
x,y,z
1/2+x,1/2+y,1/2+z
1/2-y,-x,3/4+z
-y,1/2-x,1/4+z
y,-x,-z
1/2+y,1/2-x,1/2-z
-x,1/2+y,1/4-z
1/2-x,+y,3/4-z
-x,-y,z
1/2-x,1/2-y,1/2+z
1/2+y,x,3/4+z
+y,1/2+x,1/4+z
-y,x,-z
1/2-y,1/2+x,1/2-z
x,1/2-y,1/4-z
1/2+x,-y,3/4-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
P1 0.00000 0.00000 0.00000
K1 0.00000 0.00000 0.50000
