data_1525450
_publ_section_title
;
 X-ray diffraction study of the sigma-phase in the systems Re - Cr, Ru -
 Cr, and Os - Cr
;
_journal_name_full
;
Transactions of the American Institute of Mining, Metallurgical and Petroleum 
Engineers
;
_journal_page_first              872
_journal_page_last               873
_journal_volume                  209
_journal_year                    1957
_chemical_formula_sum            'Cr3 Os'
_chemical_name_systematic        'Cr3 Os'
_space_group_IT_number           223
_symmetry_space_group_name_Hall  '-P 4n 2 3'
_symmetry_space_group_name_H-M   'P m -3 n'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   4.677
_cell_length_b                   4.677
_cell_length_c                   4.677
_cell_volume                     102.306
_citation_journal_id_ASTM        TAIMAF
_cod_data_source_file            Waterstrat_TAIMAF_1957_1351.cif
_cod_data_source_block           Cr3Os1
_cod_original_cell_volume        102.3062
_cod_chemical_formula_sum_orig   'Cr3 Os1'
_cod_database_code               1525450
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y+1/2,x+1/2,z+1/2
-x,-y,z
y+1/2,-x+1/2,z+1/2
x,-y,-z
y+1/2,x+1/2,-z+1/2
-x,y,-z
-y+1/2,-x+1/2,-z+1/2
z,x,y
-x+1/2,z+1/2,y+1/2
-z,-x,y
x+1/2,-z+1/2,y+1/2
z,-x,-y
x+1/2,z+1/2,-y+1/2
-z,x,-y
-x+1/2,-z+1/2,-y+1/2
y,z,x
y,-z,-x
z+1/2,y+1/2,-x+1/2
-y,z,-x
-z+1/2,-y+1/2,-x+1/2
-y,-z,x
z+1/2,-y+1/2,x+1/2
-z+1/2,y+1/2,x+1/2
-x,-y,-z
y-1/2,-x-1/2,-z-1/2
x,y,-z
-y-1/2,x-1/2,-z-1/2
-x,y,z
-y-1/2,-x-1/2,z-1/2
x,-y,z
y-1/2,x-1/2,z-1/2
-z,-x,-y
x-1/2,-z-1/2,-y-1/2
z,x,-y
-x-1/2,z-1/2,-y-1/2
-z,x,y
-x-1/2,-z-1/2,y-1/2
z,-x,y
x-1/2,z-1/2,y-1/2
-y,-z,-x
-y,z,x
-z-1/2,-y-1/2,x-1/2
y,-z,x
z-1/2,y-1/2,x-1/2
y,z,-x
-z-1/2,y-1/2,-x-1/2
z-1/2,-y-1/2,-x-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
Os1 Os 0 0 0 1 0.0
Cr1 Cr 0.25 0 0.5 1 0.0
