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#$Date: 2016-02-13 20:28:24 +0100 (Sat 13 de Feb de 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/52/18/1521825.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_1521825
loop_
_publ_author_name
'Reading, J.'
'Weller, M.T.'
_publ_section_title
;
 Powder neutron diffraction structural analysis of the lanthanide barium
 copper oxyborates, Ln Ba Cu O2 B O3 (Ln = La, Pr and Nd)
;
_journal_name_full               'Physica C (Amsterdam)'
_journal_page_first              31
_journal_page_last               36
_journal_volume                  328
_journal_year                    1999
_chemical_formula_sum            'B0.75 Ba Cu La O4.5'
_chemical_name_systematic        'La Ba Cu O2.25 (B O3)0.75'
_space_group_IT_number           100
_symmetry_space_group_name_Hall  'P 4 -2ab'
_symmetry_space_group_name_H-M   'P 4 b m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   5.5748
_cell_length_b                   5.5748
_cell_length_c                   7.5127
_cell_volume                     233.483
_citation_journal_id_ASTM        PHYCE6
_cod_data_source_file            Reading_PHYCE6_1999_658.cif
_cod_data_source_block           B0.75Ba1Cu1La1O4.5
_cod_original_cell_volume        233.4827
_cod_original_formula_sum        'B0.75 Ba1 Cu1 La1 O4.5'
_cod_database_code               1521825
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y,x,z
-x,-y,z
y,-x,z
-x+1/2,y+1/2,z
-y+1/2,-x+1/2,z
x+1/2,-y+1/2,z
y+1/2,x+1/2,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
O1 O-2 0.2494 0.7494 0.7905 1 0.0
Ba1 Ba+2 0 0 0.5117 1 0.0
B1 B+3 0.5 0 0.2745 0.75 0.0
O3 O-2 0.1542 0.6542 0.1867 0.75 0.0
O2 O-2 0.5 0 0.4593 1 0.0
La1 La+3 0 0 0 1 0.0
Cu1 Cu+1 0.5 0 0.7687 1 0.0
