#------------------------------------------------------------------------------
#$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $
#$Revision: 130149 $
#$URL: svn://www.crystallography.net/cod/cif/2/00/21/2002184.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_2002184
loop_
_publ_author_name
'Harder, M'
'Mueller-Buschbaum, Hk'
_publ_section_title              'Ca Fe6 Al6 O19 mit Magnetoplumbitstruktur'
_journal_name_full
;
Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie,
Organische Chemie (2,1947-32,1977)
;
_journal_page_first              833
_journal_page_last               834
_journal_volume                  32
_journal_year                    1977
_chemical_formula_structural     'Ca Fe6 Al6 O19'
_chemical_formula_sum            'Al6 Ca Fe6 O19'
_chemical_name_systematic        'Calcium hexairon(III) hexaaluminium oxide'
_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                   5.628
_cell_length_b                   5.628
_cell_length_c                   22.07999
_cell_volume                     605.7
_refine_ls_R_factor_all          0.09
_cod_database_code               2002184
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
Ca1 Ca2+ 2 d 0.3333 0.6667 0.75 1. 0 d
Al1 Al3+ 2 a 0. 0. 0. 0.5 0 d
Fe1 Fe3+ 2 a 0. 0. 0. 0.5 0 d
Al2 Al3+ 2 b 0. 0. 0.25 0.5 0 d
Fe2 Fe3+ 2 b 0. 0. 0.25 0.5 0 d
Al3 Al3+ 4 f 0.3333 0.6667 0.0291 0.25 0 d
Fe3 Fe3+ 4 f 0.3333 0.6667 0.0291 0.75 0 d
Al4 Al3+ 4 f 0.3333 0.6667 0.1904 0.25 0 d
Fe4 Fe3+ 4 f 0.3333 0.6667 0.1904 0.75 0 d
Al5 Al3+ 12 k 0.169 0.338 0.8911 0.6667 0 d
Fe5 Fe3+ 12 k 0.169 0.338 0.8911 0.3333 0 d
O1 O2- 4 f 0.3333 0.6667 0.149 1. 0 d
O2 O2- 4 f 0.3333 0.6667 0.944 1. 0 d
O3 O2- 6 h 0.181 0.362 0.25 1. 0 d
O4 O2- 12 k 0.15 0.3 0.052 1. 0 d
O5 O2- 12 k 0.504 0.008 0.148 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Ca2+ 2.000
Al3+ 3.000
Fe3+ 3.000
O2- -2.000
