#------------------------------------------------------------------------------
#$Date: 2016-02-16 02:10:39 +0100 (mar 16 de feb de 2016) $
#$Revision: 176453 $
#$URL: svn://www.crystallography.net/cod/cif/7/20/94/7209403.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_7209403
loop_
_publ_author_name
'Doerrscheidt, W.'
'Niess, N.'
'Schaefer, H.'
_publ_section_title
;
 Neue Verbindungen A B2 X2 (A= Erdalkalimetall, B= Uebergangselement, X=
 Element(IV)) im ThCr2Si2-Typ
;
_journal_name_full
;
Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische
 Chemie (2,1947-32,1977)
;
_journal_page_first              890
_journal_page_last               891
_journal_volume                  31
_journal_year                    1976
_chemical_formula_sum            'Au2 Ca Si2'
_chemical_name_systematic        'Ca Au2 Si2'
_space_group_IT_number           139
_symmetry_space_group_name_Hall  '-I 4 2'
_symmetry_space_group_name_H-M   'I 4/m m m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   4.32
_cell_length_b                   4.32
_cell_length_c                   10.02
_cell_volume                     186.997
_citation_journal_id_ASTM        ZENBAX
_cod_data_source_file            gold_452.cif
_cod_data_source_block           Au2Ca1Si2
_cod_original_cell_volume        186.9973
_cod_original_formula_sum        'Au2 Ca1 Si2'
_cod_database_code               7209403
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
x+1/2,y+1/2,z+1/2
-y+1/2,x+1/2,z+1/2
-x+1/2,-y+1/2,z+1/2
y+1/2,-x+1/2,z+1/2
x+1/2,-y+1/2,-z+1/2
y+1/2,x+1/2,-z+1/2
-x+1/2,y+1/2,-z+1/2
-y+1/2,-x+1/2,-z+1/2
-x+1/2,-y+1/2,-z+1/2
y+1/2,-x+1/2,-z+1/2
x+1/2,y+1/2,-z+1/2
-y+1/2,x+1/2,-z+1/2
-x+1/2,y+1/2,z+1/2
-y+1/2,-x+1/2,z+1/2
x+1/2,-y+1/2,z+1/2
y+1/2,x+1/2,z+1/2
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
Ca1 Ca+2 0 0 0 1 0.0
Au1 Au+3 0 0.5 0.25 1 0.0
Si1 Si-4 0 0 0.362 1 0.0
