data_5910126 loop_ _publ_author_name 'Wyckoff, R. W. G.' _publ_section_title ; Pages 239 & 241 from the second edition of Structure of Crystals by Wyckoff R W G.published by The Chemical Catalog Company, INC, New York in 1931. ; _journal_name_full 'The second edition of Structure of Crystals' _journal_page_first 239 _journal_page_last 241 _journal_year 1931 _chemical_formula_structural SrC2 _chemical_formula_sum 'C2 Sr' _chemical_name_systematic 'Strontium carbide' _space_group_IT_number 139 _symmetry_cell_setting tetragonal _symmetry_Int_Tables_number 139 _symmetry_space_group_name_Hall '-I 4 2' _symmetry_space_group_name_H-M 'I 4/m m m' _audit_creation_date 2005-02-11 _audit_creation_method ; Pages 239 & 241 from the second edition of Structure of Crystals by Wyckoff R W G.published by The Chemical Catalog Company, INC, New York in 1931. ; _audit_update_record 'created by Girish Upreti, Portland State University' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 5.81 _cell_length_b 5.81 _cell_length_c 6.68 _cell_volume 225.491 _[local]_cod_cif_authors_sg_H-M 'I4/m m m' _[local]_cod_chemical_formula_sum_orig 'Sr C2' _cod_database_code 5910126 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y,x,z y,-x,z x,-y,-z -x,y,-z -x,-y,z y,x,-z -y,-x,-z -x,-y,-z y,-x,-z -y,x,-z -x,y,z x,-y,z x,y,-z -y,-x,z y,x,z x+1/2,y+1/2,z+1/2 -y+1/2,x+1/2,z+1/2 y+1/2,-x+1/2,z+1/2 x+1/2,-y+1/2,-z+1/2 -x+1/2,y+1/2,-z+1/2 -x+1/2,-y+1/2,z+1/2 y+1/2,x+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 -y+1/2,x+1/2,-z+1/2 -x+1/2,y+1/2,z+1/2 x+1/2,-y+1/2,z+1/2 x+1/2,y+1/2,-z+1/2 -y+1/2,-x+1/2,z+1/2 y+1/2,x+1/2,z+1/2 loop_ _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_label 0.00000 0.00000 0.00000 Sr1 0.50000 0.50000 0.50000 Sr2 0.00000 0.00000 0.38000 C1 0.00000 0.00000 -0.38000 C2