#------------------------------------------------------------------------------
#$Date: 2017-09-03 01:45:38 +0300 (Sun, 03 Sep 2017) $
#$Revision: 200134 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/00/25/2002518.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_2002518
loop_
_publ_author_name
'Gutau, W.'
'Müller-Buschbaum, Hk.'
_publ_section_title
;
 Eine β-Tonerde mit Cu²⁺ in tetraedischer Koordination: (Ba, Sr)CuAl₁₀O₁₇
;
_journal_coden_ASTM              ZAACAB
_journal_issue                   1
_journal_name_full
;
 Zeitschrift für Anorganische und Allgemeine Chemie
;
_journal_page_first              21
_journal_page_last               24
_journal_paper_doi               10.1002/zaac.19905820104
_journal_volume                  582
_journal_year                    1990
_chemical_formula_structural     '(Ba0.5 Sr0.5) Cu Al10 O17'
_chemical_formula_sum            'Al10 Ba0.5 Cu O17 Sr0.5'
_chemical_name_systematic
;
Barium strontium copper aluminium oxide (0.5/0.5/1/10/17)
;
_space_group_IT_number           194
_symmetry_cell_setting           hexagonal
_symmetry_Int_Tables_number      194
_symmetry_space_group_name_Hall  '-P 6c 2c'
_symmetry_space_group_name_H-M   'P 63/m m c'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            2
_cell_length_a                   5.6043(45)
_cell_length_b                   5.6043(45)
_cell_length_c                   22.678190000(24900002)
_cell_volume                     616.9
_refine_ls_R_factor_all          0.052
_cod_original_formula_sum        'Al10 Ba.5 Cu O17 Sr.5'
_cod_database_code               2002518
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y,x-y,z
y-x,-x,z
-y,-x,z
y-x,y,z
x,x-y,z
-x,-y,-z
y,y-x,-z
x-y,x,-z
y,x,-z
x-y,-y,-z
-x,y-x,-z
-x,-y,1/2+z
y,y-x,1/2+z
x-y,x,1/2+z
y,x,1/2+z
x-y,-y,1/2+z
-x,y-x,1/2+z
x,y,1/2-z
-y,x-y,1/2-z
y-x,-x,1/2-z
-y,-x,1/2-z
y-x,y,1/2-z
x,x-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
Al1 Al3+ 2 a 0. 0. 0. 1. 0 d
Al2 Al3+ 4 f 0.3333 0.6667 0.0240(1) 0.5 0 d
Al3 Al3+ 4 f 0.3333 0.6667 0.1747(1) 1. 0 d
Al4 Al3+ 12 k 0.1663(2) 0.3325(4) 0.894 1. 0 d
Cu1 Cu2+ 4 f 0.3333 0.6667 0.0240(1) 0.5 0 d
Ba1 Ba2+ 2 d 0.3333 0.6667 0.75 0.5 0 d
Sr1 Sr2+ 2 d 0.3333 0.6667 0.75 0.5 0 d
O1 O2- 2 c 0.3333 0.6667 0.25 1. 0 d
O2 O2- 4 e 0. 0. 0.1436(3) 1. 0 d
O3 O2- 4 f 0.3333 0.6667 0.9409(3) 1. 0 d
O4 O2- 12 k 0.1536(5) 0.3072(10) 0.0517(1) 1. 0 d
O5 O2- 12 k 0.5045(5) 0.009(1) 0.1482(2) 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Al3+ 3.000
Cu2+ 2.000
Ba2+ 2.000
Sr2+ 2.000
O2- -2.000
