#------------------------------------------------------------------------------
#$Date: 2023-04-06 14:31:51 +0200 (jue 06 de abr de 2023) $
#$Revision: 282478 $
#$URL: svn://www.crystallography.net/cod/cif/1/01/05/1010576.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_1010576
loop_
_publ_author_name
'Hassel, O.'
_publ_section_title
;
 Über die Kristallstruktur des primären Kaliumphosphats KH₂PO₄ und
 isomorpher Salze
;
_journal_coden_ASTM              ZEELAI
_journal_issue                   10
_journal_name_full
;
 Zeitschrift für Elektrochemie und angewandte physikalische Chemie
;
_journal_page_first              523
_journal_page_last               529
_journal_paper_doi               10.1002/bbpc.19250311006
_journal_volume                  31
_journal_year                    1925
_chemical_formula_structural     'K H2 P O4'
_chemical_formula_sum            'H2 K O4 P'
_chemical_name_systematic        'Potassium dihydrogenphosphate'
_space_group_IT_number           122
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_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_formula_units_Z            4
_cell_length_a                   7.42
_cell_length_b                   7.42
_cell_length_c                   6.97
_cell_volume                     383.7
_database_code_amcsd             0017460
_exptl_crystal_density_diffrn    1.213
_cod_database_code               1010576
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,1/2+y,1/4-z
-x,-y,z
x,1/2-y,1/4-z
-y,x,-z
y,1/2+x,1/4+z
y,-x,-z
-y,1/2-x,1/4+z
1/2+x,1/2+y,1/2+z
1/2-x,y,3/4-z
1/2-x,1/2-y,1/2+z
1/2+x,-y,3/4-z
1/2-y,1/2+x,1/2-z
1/2+y,x,3/4+z
1/2+y,1/2-x,1/2-z
1/2-y,-x,3/4+z
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
_atom_site_calc_flag
P1 P5+ 4 a 0. 0. 0. 1. 0 d
K1 K1+ 4 b 0. 0. 0.5 1. 0 d
O1 O2- 16 e -1. -1. -1. 1. 0 dum
H1 H1+ 16 e -1. -1. -1. 0.5 0 dum
loop_
_atom_type_symbol
_atom_type_oxidation_number
P5+ 5.000
K1+ 1.000
O2- -2.000
H1+ 1.000
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0017460
