data_1511330
_publ_section_title
;
 Compounds and pseudo-binary alloys with the Cu Al2 (C16)type structure.
 I. Preparation and X-ray results
;
_journal_name_full               'Journal of the Less-Common Metals'
_journal_page_first              169
_journal_page_last               186
_journal_paper_doi               10.1016/0022-5088(72)90028-8
_journal_volume                  27
_journal_year                    1972
_chemical_formula_sum            'B Ta2'
_chemical_name_systematic        'Ta2 B'
_space_group_IT_number           140
_symmetry_space_group_name_Hall  '-I 4 2c'
_symmetry_space_group_name_H-M   'I 4/m c m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.783
_cell_length_b                   5.783
_cell_length_c                   4.866
_cell_volume                     162.734
_citation_journal_id_ASTM        JCOMAH
_[local]_cod_data_source_file    boron0-1_462.cif
_[local]_cod_data_source_block   B1Ta2
_[local]_cod_chemical_formula_sum_orig 'B1 Ta2'
_cod_original_cell_volume        162.7341
_cod_database_code               1511330
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y,x,z
-x,-y,z
y,-x,z
x,-y,-z+1/2
y,x,-z+1/2
-x,y,-z+1/2
-y,-x,-z+1/2
-x,-y,-z
y,-x,-z
x,y,-z
-y,x,-z
-x,y,z-1/2
-y,-x,z-1/2
x,-y,z-1/2
y,x,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
y+1/2,x+1/2,-z+1
-x+1/2,y+1/2,-z+1
-y+1/2,-x+1/2,-z+1
-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
-y+1/2,-x+1/2,z
x+1/2,-y+1/2,z
y+1/2,x+1/2,z
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
Ta1 Ta 0.1661 0.6661 0 1 0.0
B1 B 0 0 0.25 1 0.0
