data_global
_chemical_name_mineral 'Minium'
loop_
_publ_author_name
'Gavarri J R'
'Weigel D'
'Hewat A W'
_journal_name_full 'Journal of Solid State Chemistry'
_journal_volume 23 
_journal_year 1978
_journal_page_first 327
_journal_page_last 339
_publ_section_title
;
 Oxydes de plomb. IV. Evolution structurale de l'oxyde Pb3O4 entre 240 et 5 K et
 mecanisme de la transition
 Sample: T = 140 K
;
_database_code_amcsd 0013357
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Pb3 O4'
_cell_length_a 8.9496
_cell_length_b 8.6638
_cell_length_c 6.5616
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 508.770
_exptl_crystal_density_diffrn      8.951
_symmetry_space_group_name_H-M 'P b a m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,z'
  '1/2-x,1/2+y,-z'
  '1/2-x,1/2+y,z'
  '1/2+x,1/2-y,-z'
  'x,y,-z'
  '-x,-y,z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Pb4+   0.00000   0.50000   0.24950
Pb2+1   0.14820   0.15770   0.00000
Pb2+2   0.16650   0.86090   0.50000
O1   0.67180   0.17230   0.25050
O2C   0.08980   0.63710   0.00000
O2A   0.13320   0.59690   0.50000
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Pb4+ 0.01474 0.01191 0.00722 0.00000 0.00000 0.00000
Pb2+1 0.01474 0.01191 0.00722 0.00000 0.00000 0.00000
Pb2+2 0.01474 0.01191 0.00722 0.00000 0.00000 0.00000
O1 0.01474 0.01191 0.00722 0.00000 0.00000 0.00000
O2C 0.01474 0.01191 0.00722 0.00000 0.00000 0.00000
O2A 0.01474 0.01191 0.00722 0.00000 0.00000 0.00000