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#$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/52/62/1526266.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_1526266
loop_
_publ_author_name
'Podlesnyak, A.'
'Mirmelstein, A.'
'Furrer, A.'
'Bobrovskii, V.'
'Voronin, V.'
'Mitberg, E.'
'Fischer, P.'
'Khlybov, E.'
'Lapin, S.'
'Fauth, F.'
_publ_section_title
;
 Peculiarities of crystal structure and crystal-field excitations in
 "1212" Al Sr2 R Cu2 O7 (R = Y, Er)
;
_journal_name_full               'Physica C (Amsterdam)'
_journal_page_first              55
_journal_page_last               63
_journal_volume                  334
_journal_year                    2000
_chemical_formula_sum            'Al Cu2 Er O7 Sr2'
_chemical_name_systematic        'Al Sr2 Er Cu2 O7'
_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                   3.8532
_cell_length_b                   3.8532
_cell_length_c                   11.0608
_cell_volume                     164.221
_citation_journal_id_ASTM        PHYCE6
_cod_data_source_file            Podlesnyak_PHYCE6_2000_427.cif
_cod_data_source_block           Al1Cu2Er1O7Sr2
_cod_original_cell_volume        164.2213
_cod_original_formula_sum        'Al1 Cu2 Er1 O7 Sr2'
_cod_database_code               1526266
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
O1 O-2 0.086 0.5 0 0.25 0.0
Sr1 Sr+2 0.5 0.5 0.1945 1 0.0
Cu1 Cu+2 0 0 0.3485 1 0.0
O3 O-2 0 0.5 0.365 1 0.0
Er1 Er+3 0.5 0.5 0.5 1 0.0
O2 O-2 0.08 0.08 0.1396 0.25 0.0
Al1 Al+3 0.043 0.043 0 0.25 0.0
