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#$Date: 2015-01-27 20:58:39 +0100 (Tue 27 de Jan de 2015) $
#$Revision: 130149 $
#$URL: svn://www.crystallography.net/cod/cif/1/00/11/1001157.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_1001157
loop_
_publ_author_name
'Nguyen, N'
'Choisnet, J'
'Raveau, B'
_publ_section_title
;
Intercroissances des structures de type Perovskite et Sr O deficitaires
en oxygene: les oxydes Ln₂₋ₓ Sr₁₊ₓ Cu₂ O~6-x/2~ (Ln = Sm, Eu, Gd)
;
_journal_coden_ASTM              MRBUAC
_journal_name_full               'Materials Research Bulletin'
_journal_page_first              567
_journal_page_last               573
_journal_paper_doi               10.1016/0025-5408(82)90037-X
_journal_volume                  17
_journal_year                    1982
_chemical_formula_structural     'Eu1.3 Sr1.7 Cu2 O5.65'
_chemical_formula_sum            'Cu2 Eu1.3 O5.65 Sr1.7'
_chemical_name_systematic
;
Europium strontium copper oxide (1.3/1.7/2/5.65)
;
_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            6
_cell_length_a                   3.744
_cell_length_b                   11.337
_cell_length_c                   20.047
_cell_volume                     850.9
_refine_ls_R_factor_all          0.08
_cod_database_code               1001157
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
Eu1 Eu3+ 2 a 0. 0. 0. 1. 0 d
Eu2 Eu3+ 4 g 0. 0.291 0. 1. 0 d
Eu3 Eu3+ 4 i 0. 0. 0.197 0.45 0 d
Sr1 Sr2+ 4 i 0. 0. 0.197 0.55 0 d
Sr2 Sr2+ 8 l 0. 0.326 0.171 1. 0 d
Cu1 Cu2+ 4 i 0. 0. 0.596 1. 0 d
Cu2 Cu2+ 8 l 0. 0.342 0.6 1. 0 d
O1 O2- 8 l 0. 0.168 0.414 1. 0 d
O2 O2- 8 l 0. 0.128 0.104 0.238 0 d
O3 O2- 4 j 0.5 0. 0.123 1. 0 d
O4 O2- 4 j 0.5 0. 0.414 1. 0 d
O5 O2- 4 i 0. 0. 0.69 1. 0 d
O6 O2- 8 l 0. 0.305 0.699 1. 0 d
O7 O2- 4 h 0. 0.352 0.5 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Eu3+ 3.000
Sr2+ 2.000
Cu2+ 2.000
O2- -2.000
