#------------------------------------------------------------------------------
#$Date: 2015-01-27 20:58:39 +0100 (Tue 27 de Jan de 2015) $
#$Revision: 130149 $
#$URL: svn://www.crystallography.net/cod/cif/1/00/14/1001471.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_1001471
loop_
_publ_author_name
'Michel, C'
'Caignaert, V'
'Raveau, B'
_publ_section_title
;
An oxygen deficient fluorite with a tunnel structure: Bi₈La₁₀O₂₇
;
_journal_coden_ASTM              JSSCBI
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              296
_journal_page_last               301
_journal_paper_doi               10.1016/0022-4596(91)90146-9
_journal_volume                  90
_journal_year                    1991
_chemical_formula_structural     'Bi8 La10 O27'
_chemical_formula_sum            'Bi8 La10 O27'
_chemical_name_systematic        'Bismuth lanthanum oxide (8/10/27)'
_space_group_IT_number           71
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      71
_symmetry_space_group_name_Hall  '-I 2 2'
_symmetry_space_group_name_H-M   'I m m m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            1
_cell_length_a                   12.079(2)
_cell_length_b                   16.348(4)
_cell_length_c                   4.0988(5)
_cell_volume                     809.4
_refine_ls_R_factor_all          0.051
_cod_database_code               1001471
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x,-y,-z
-x,y,-z
-x,-y,z
-x,-y,-z
-x,y,z
x,-y,z
x,y,-z
1/2+x,1/2+y,1/2+z
1/2+x,1/2-y,1/2-z
1/2-x,1/2+y,1/2-z
1/2-x,1/2-y,1/2+z
1/2-x,1/2-y,1/2-z
1/2-x,1/2+y,1/2+z
1/2+x,1/2-y,1/2+z
1/2+x,1/2+y,1/2-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
Bi1 Bi3+ 4 e 0.3110(6) 0. 0. 1. 0 d
Bi2 Bi3+ 4 g 0. 0.3316(4) 0. 1. 0 d
La1 La3+ 8 n 0.3430(5) 0.3225(3) 0. 1. 0 d
La2 La3+ 2 a 0. 0. 0. 1. 0 d
O1 O2- 4 h 0. 0.0916(9) 0.5 1. 0 d
O2 O2- 4 h 0. 0.2776(7) 0.5 1. 0 d
O3 O2- 8 n 0.1878(8) 0.0864 0. 1. 0 d
O4 O2- 8 n 0.1541(6) 0.2647(5) 0. 1. 0 d
O5 O2- 8 n 0.1672(28) 0.4446(17) 0. 0.375 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Bi3+ 3.000
La3+ 3.000
O2- -2.000
