data_1530319
_publ_section_title
;
 Struktura Krystaliczna Pirofosforanu Manganu Mn2 P2 O7
;
_journal_name_full               'Roczniki Chemii'
_journal_page_first              741
_journal_page_last               744
_journal_volume                  35
_journal_year                    1961
_chemical_formula_sum            'Mn2 O7 P2'
_chemical_name_systematic        'Mn2 P2 O7'
_space_group_IT_number           12
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_cell_angle_alpha                90
_cell_angle_beta                 102.66
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   6.63
_cell_length_b                   8.58
_cell_length_c                   4.54
_cell_volume                     251.981
_citation_journal_id_ASTM        ROCHAC
_cod_data_source_file            Lukaszewicz_ROCHAC_1961_1817.cif
_cod_data_source_block           Mn2O7P2
_cod_original_cell_volume        251.9809
_cod_database_code               1530319
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,y,-z
-x,-y,-z
x,-y,z
x+1/2,y+1/2,z
-x+1/2,y+1/2,-z
-x+1/2,-y+1/2,-z
x+1/2,-y+1/2,z
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
O1 O-2 0 0 0 1 0.0
O3 O-2 0.233 0.155 0.708 1 0.0
Mn1 Mn+2 0 0.307 0.5 1 0.0
P1 P+5 0.21 0 0.892 1 0.0
O2 O-2 0.392 0 0.233 1 0.0
