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#$Date: 2016-02-13 14:50:18 +0200 (Sat, 13 Feb 2016) $
#$Revision: 176428 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/53/87/1538769.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_1538769
loop_
_publ_author_name
'Nowotny, H.'
'Benesovsky, F.'
'Kieffer, R.'
'Schachner, H.'
_publ_section_title
;
 Roentgenographische Untersuchungen im System Tantal-Silizium
;
_journal_name_full               'Monatshefte fuer Chemie (-108,1977)'
_journal_page_first              1
_journal_page_last               12
_journal_volume                  84
_journal_year                    1953
_chemical_formula_sum            'Si2 Ta'
_chemical_name_systematic        'Ta Si2'
_space_group_IT_number           180
_symmetry_space_group_name_Hall  'P 62 2 (0 0 4)'
_symmetry_space_group_name_H-M   'P 62 2 2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   4.78
_cell_length_b                   4.78
_cell_length_c                   6.564
_cell_volume                     129.884
_citation_journal_id_ASTM        MOCHAP
_cod_data_source_file            Nowotny_MOCHAP_1953_1994.cif
_cod_data_source_block           Si2Ta1
_cod_original_cell_volume        129.8838
_cod_original_sg_symbol_Hall     'P 62 2 (x,y,z+1/3)'
_cod_chemical_formula_sum_orig   'Si2 Ta1'
_cod_database_code               1538769
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x-y,x,z+1/3
-y,x-y,z+2/3
-x,-y,z
-x+y,-x,z+1/3
y,-x+y,z+2/3
-y,-x,-z+2/3
x-y,-y,-z
x,x-y,-z+1/3
y,x,-z+2/3
-x+y,y,-z
-x,-x+y,-z+1/3
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 0.16667 0.3333 0.5 1 0.0
Ta1 Ta 0.5 0 0.5 1 0.0