data_1528217
_publ_section_title
;
 Crystal structures of V Sn2, Nb Sn2 and Cr Sn2 with Mg2 Cu- type
 structure and Nb Sn Sb with Cu Al2-type structure
;
_journal_name_full               'Journal of Alloys Compd.'
_journal_page_first              185
_journal_page_last               190
_journal_volume                  210
_journal_year                    1994
_chemical_formula_sum            'Cr Sn2'
_chemical_name_systematic        'Cr Sn2'
_space_group_IT_number           70
_symmetry_space_group_name_Hall  'F 2 2 -1d'
_symmetry_space_group_name_H-M   'F d d d :1'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            16
_cell_length_a                   9.44
_cell_length_b                   5.417
_cell_length_c                   18.396
_cell_volume                     940.707
_citation_journal_id_ASTM        JALCEU
_cod_data_source_file            Woelpl_JALCEU_1994_387.cif
_cod_data_source_block           Cr1Sn2
_cod_cif_authors_sg_Hall         '-F 2uv 2vw (x+1/8,y+1/8,z+1/8)'
_cod_original_cell_volume        940.7066
_cod_chemical_formula_sum_orig   'Cr1 Sn2'
_cod_database_code               1528217
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x+1/2,-y+1/2,z
x,-y+1/2,-z+1/2
-x+1/2,y,-z+1/2
-x+1/4,-y+1/4,-z+1/4
x-1/4,y-1/4,-z+1/4
-x+1/4,y-1/4,z-1/4
x-1/4,-y+1/4,z-1/4
x,y+1/2,z+1/2
-x+1/2,-y+1,z+1/2
x,-y+1,-z+1
-x+1/2,y+1/2,-z+1
-x+1/4,-y+3/4,-z+3/4
x-1/4,y+1/4,-z+3/4
-x+1/4,y+1/4,z+1/4
x-1/4,-y+3/4,z+1/4
x+1/2,y,z+1/2
-x+1,-y+1/2,z+1/2
x+1/2,-y+1/2,-z+1
-x+1,y,-z+1
-x+3/4,-y+1/4,-z+3/4
x+1/4,y-1/4,-z+3/4
-x+3/4,y-1/4,z+1/4
x+1/4,-y+1/4,z+1/4
x+1/2,y+1/2,z
-x+1,-y+1,z
x+1/2,-y+1,-z+1/2
-x+1,y+1/2,-z+1/2
-x+3/4,-y+3/4,-z+1/4
x+1/4,y+1/4,-z+1/4
-x+3/4,y+1/4,z-1/4
x+1/4,-y+3/4,z-1/4
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
Cr1 Cr 0 0 0.87296 1 0.0
Sn2 Sn 0 0 0.58141 1 0.0
Sn1 Sn 0.16463 0 0 1 0.0
