#------------------------------------------------------------------------------
#$Date: 2016-02-13 20:28:24 +0100 (Sat 13 de Feb de 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/53/47/1534700.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_1534700
loop_
_publ_author_name
'Aurivillius, B.'
_publ_section_title
;
 On the Crystal Structure of Some Non-Stoichiometric Mixed Lead Oxide
 Halides and Their Relation to the Minerals "Lorettoite" and Sundiusite
;
_journal_name_full               'Chemica Scripta'
_journal_page_first              5
_journal_page_last               11
_journal_volume                  22
_journal_year                    1983
_chemical_formula_sum            'Br2 Nb O8.5 Pb7'
_chemical_name_systematic        '(Pb O)6 Nb O2.5 Pb Br2'
_space_group_IT_number           139
_symmetry_space_group_name_Hall  '-I 4 2'
_symmetry_space_group_name_H-M   'I 4/m m m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            1
_cell_length_a                   5.623
_cell_length_b                   5.623
_cell_length_c                   23.119
_cell_volume                     730.980
_citation_journal_id_ASTM        CSRPB9
_cod_data_source_file            Aurivillius_CSRPB9_1983_503.cif
_cod_data_source_block           Br2Nb1O8.5Pb7
_cod_original_cell_volume        730.9796
_cod_original_formula_sum        'Br2 Nb1 O8.5 Pb7'
_cod_database_code               1534700
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y,x,z
-x,-y,z
y,-x,z
x,-y,-z
y,x,-z
-x,y,-z
-y,-x,-z
-x,-y,-z
y,-x,-z
x,y,-z
-y,x,-z
-x,y,z
-y,-x,z
x,-y,z
y,x,z
x+1/2,y+1/2,z+1/2
-y+1/2,x+1/2,z+1/2
-x+1/2,-y+1/2,z+1/2
y+1/2,-x+1/2,z+1/2
x+1/2,-y+1/2,-z+1/2
y+1/2,x+1/2,-z+1/2
-x+1/2,y+1/2,-z+1/2
-y+1/2,-x+1/2,-z+1/2
-x+1/2,-y+1/2,-z+1/2
y+1/2,-x+1/2,-z+1/2
x+1/2,y+1/2,-z+1/2
-y+1/2,x+1/2,-z+1/2
-x+1/2,y+1/2,z+1/2
-y+1/2,-x+1/2,z+1/2
x+1/2,-y+1/2,z+1/2
y+1/2,x+1/2,z+1/2
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 0.5 0 0.1426 1 0.0
Nb1 Nb+5 0 0 0.0856 0.125 0.0
Br1 Br-1 0 0 0.5 1 0.0
Pb1 Pb+2 0 0 0.0856 0.875 0.0
Nb2 Nb+5 0 0 0.3063 0.125 0.0
Pb2 Pb+2 0 0 0.3063 0.875 0.0
