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#$Date: 2016-02-13 20:28:24 +0100 (Sat 13 de Feb de 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/53/78/1537821.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_1537821
loop_
_publ_author_name
'Bodak, O.I.'
'Gladyshevskii, E.I.'
'Kripyakevich, P.I.'
_publ_section_title
;
 Crystal structure of the compound Ce Ni2 S2 and isostructural compounds
 in related systems
;
_journal_name_full
;
Inorganic Materials (USSR) (see: Izv.Akad.Nauk, Neorg.Mater.)
;
_journal_page_first              1861
_journal_page_last               1864
_journal_volume                  2
_journal_year                    1966
_chemical_formula_sum            'Ni2 Si2 Yb'
_chemical_name_systematic        'Ni2 Yb 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                   3.9
_cell_length_b                   3.9
_cell_length_c                   9.513
_cell_volume                     144.693
_citation_journal_id_ASTM        INOMAF
_cod_data_source_file            Bodak_INOMAF_1966_1060.cif
_cod_data_source_block           Ni2Si2Yb1
_cod_original_cell_volume        144.6927
_cod_original_formula_sum        'Ni2 Si2 Yb1'
_cod_database_code               1537821
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
Ni1 Ni 0 0.5 0.25 1 0.0
Si1 Si 0 0 0.375 1 0.0
Yb1 Yb 0 0 0 1 0.0
