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#$Date: 2013-04-29 23:44:08 +0300 (Mon, 29 Apr 2013) $
#$Revision: 82671 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/50/96/1509679.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_1509679
loop_
_publ_author_name
'Felner, I.'
'Mayer, I.'
'Cohen, J.'
_publ_section_title
;
 The crystal structure of the M Au2 Si2 rare earth compounds
;
_journal_name_full               'Journal of the Less-Common Metals'
_journal_page_first              181
_journal_page_last               184
_journal_volume                  30
_journal_year                    1973
_chemical_formula_sum            'Ag2 Nd Si2'
_chemical_name_systematic        'Ag2 Nd 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                   4.212
_cell_length_b                   4.212
_cell_length_c                   10.69
_cell_volume                     189.651
_citation_journal_id_ASTM        JCOMAH
_[local]_cod_data_source_file    silver2-3_138.cif
_[local]_cod_data_source_block   Ag2Nd1Si2
_[local]_cod_chemical_formula_sum_orig 'Ag2 Nd1 Si2'
_cod_original_cell_volume        189.6507
_cod_database_code               1509679
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
Si1 Si 0 0 0.378 1 0.0
Ag1 Ag 0 0.5 0.25 1 0.0
Nd1 Nd 0 0 0 1 0.0