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#$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $
#$Revision: 176429 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/53/68/1536843.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_1536843
loop_
_publ_author_name
'Fava, J.'
'le Flem, G.'
_publ_section_title
;
 Les phases Sr La2 Al2 O7 et Sr Gd2 Al2 O7
;
_journal_name_full               'Materials Research Bulletin'
_journal_page_first              75
_journal_page_last               80
_journal_volume                  10
_journal_year                    1975
_chemical_formula_sum            'Al2 La2 O7 Sr'
_chemical_name_systematic        'Sr La2 Al2 O7'
_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            2
_cell_length_a                   3.7756
_cell_length_b                   3.7756
_cell_length_c                   20.214
_cell_volume                     288.154
_citation_journal_id_ASTM        MRBUAC
_cod_data_source_file            Fava_MRBUAC_1975_28.cif
_cod_data_source_block           Al2La2O7Sr1
_cod_original_cell_volume        288.1537
_cod_original_formula_sum        'Al2 La2 O7 Sr1'
_cod_database_code               1536843
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
Sr2 Sr+2 0 0 0.318 0.3333 0.0
O1 O-2 0 0 0 1 0.0
La2 La+3 0 0 0.5 0.6666 0.0
O2 O-2 0 0.5 0.097 1 0.0
La1 La+3 0 0 0.318 0.6666 0.0
Sr1 Sr+2 0 0 0.5 0.3333 0.0
Al1 Al+3 0 0 0.09 1 0.0
O3 O-2 0 0 0.203 1 0.0