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#$Date: 2016-02-16 14:49:47 +0200 (Tue, 16 Feb 2016) $
#$Revision: 176465 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/34/9013443.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided the American Mineralogist Crystal Structure Database,
# http://rruff.geo.arizona.edu/AMS/amcsd.php
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_9013443
loop_
_publ_author_name
'Gavarri, J. R.'
'Weigel, D.'
'Hewat, A. W.'
_publ_section_title
;Oxydes de plomb. IV. Evolution structurale de l'oxyde Pb3O4 entre 240 et 5 K
 et mecanisme de la transition Locality: synthetic Sample: T = 200 K
;
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              327
_journal_page_last               339
_journal_paper_doi               10.1016/0022-4596(78)90081-6
_journal_volume                  23
_journal_year                    1978
_chemical_formula_sum            'O4 Pb3'
_chemical_name_mineral           Minium
_space_group_IT_number           55
_symmetry_space_group_name_Hall  '-P 2 2ab'
_symmetry_space_group_name_H-M   'P b a m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   8.8179
_cell_length_b                   8.8032
_cell_length_c                   6.5620
_cell_volume                     509.380
_diffrn_ambient_temperature      200
_exptl_crystal_density_diffrn    8.940
_cod_original_formula_sum        'Pb3 O4'
_cod_database_code               9013443
loop_
_symmetry_equiv_pos_as_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_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+ 0.01532 0.01254 0.00697 0.00000 0.00000 0.00000
Pb2+1 0.01532 0.01254 0.00697 0.00000 0.00000 0.00000
Pb2+2 0.01532 0.01254 0.00697 0.00000 0.00000 0.00000
O1 0.01532 0.01254 0.00697 0.00000 0.00000 0.00000
O2C 0.01532 0.01254 0.00697 0.00000 0.00000 0.00000
O2A 0.01532 0.01254 0.00697 0.00000 0.00000 0.00000
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Pb4+ 0.00000 0.50000 0.24640
Pb2+1 0.14180 0.16130 0.00000
Pb2+2 0.16320 0.85590 0.50000
O1 0.67200 0.17210 0.24200
O2C 0.09370 0.63710 0.00000
O2A 0.13440 0.59630 0.50000