#------------------------------------------------------------------------------
#$Date: 2016-02-13 20:28:24 +0100 (Sat 13 de Feb de 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/54/03/1540337.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_1540337
loop_
_publ_author_name
'Ludwig, H.A.'
'Fietz, W.H.'
'Wuehl, H.'
_publ_section_title
;
 Calculation of the structural parameters of YBa2Cu3 O7-delta and
 YBa2Cu4O8 under pressure
;
_journal_name_full               'Physica C (Amsterdam)'
_journal_page_first              113
_journal_page_last               122
_journal_volume                  197
_journal_year                    1992
_chemical_formula_sum            'Ba2 Cu3 O6 Y'
_chemical_name_systematic        'Y Ba2 Cu3 O6'
_space_group_IT_number           123
_symmetry_space_group_name_Hall  '-P 4 2'
_symmetry_space_group_name_H-M   'P 4/m m m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            1
_cell_length_a                   3.83287
_cell_length_b                   3.83287
_cell_length_c                   12.4775
_cell_volume                     183.306
_citation_journal_id_ASTM        PHYCE6
_cod_data_source_file            Ludwig_PHYCE6_1992_1629.cif
_cod_data_source_block           Ba2Cu3O6Y1
_cod_original_cell_volume        183.3056
_cod_original_formula_sum        'Ba2 Cu3 O6 Y1'
_cod_database_code               1540337
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
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
Y1 Y+3 0.5 0.5 0.5 1 0.0
O3 O-2 0 0 0.14619 1 0.0
O2 O-2 0 0.5 0.38637 0.5 0.0
Ba1 Ba+2 0.5 0.5 0.20583 1 0.0
Cu2 Cu+1 0 0 0.37117 1 0.0
O1 O-2 0 0.5 0 1 0.0
Cu1 Cu+1 0 0 0 1 0.0
