#------------------------------------------------------------------------------ #$Date: 2017-09-01 23:03:49 +0100 (Fri, 01 Sep 2017) $ #$Revision: 200089 $ #$URL: svn://www.crystallography.net/cod/cif/1/00/85/1008517.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_1008517 loop_ _publ_author_name 'Artigas, M.' 'Bacmann, M.' 'Fruchart, D.' 'Fruchart, R.' 'Soubeyroux, J.-L.' 'Wolfers, P.' _publ_section_title ; Analyse comparative des modifications structurales \a et \b de Co~2~As ; _journal_coden_ASTM CRAMED _journal_name_full ; Comptes Rendus de l'Academie des Sciences, Serie II: Mecanique, Physique, Chimie, Sciences de la Terre et de l'Univers ; _journal_page_first 635 _journal_page_last 640 _journal_volume 313 _journal_year 1991 _chemical_formula_structural 'Co2 As' _chemical_formula_sum 'As Co2' _chemical_name_systematic 'Cobalt arsenide (2/1) - \a' _space_group_IT_number 189 _symmetry_cell_setting hexagonal _symmetry_Int_Tables_number 189 _symmetry_space_group_name_Hall 'P -6 -2' _symmetry_space_group_name_H-M 'P -6 2 m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 12 _cell_length_a 11.9867(5) _cell_length_b 11.9867(5) _cell_length_c 3.5875(2) _cell_volume 446.4 _refine_ls_R_factor_all 0.025 _cod_database_code 1008517 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y,x-y,z y-x,-x,z x,y,-z -y,x-y,-z y-x,-x,-z y,x,z x-y,-y,z -x,y-x,z y,x,-z x-y,-y,-z -x,y-x,-z loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Co1 Co0 3 f 0.299(1) 0. 0. 1. 0 d Co2 Co0 3 f 0.803(1) 0. 0. 1. 0 d Co3 Co0 6 k 0.1703(8) 0.5395(7) 0.5 1. 0 d Co4 Co0 3 g 0.124(1) 0. 0.5 1. 0 d Co5 Co0 3 g 0.631(1) 0. 0.5 1. 0 d Co6 Co0 6 j 0.1744(7) 0.7099(8) 0. 1. 0 d As1 As0 1 a 0. 0. 0. 1. 0 d As2 As0 3 f 0.5029(9) 0. 0. 1. 0 d As3 As0 6 k 0.3372(6) 0.1602(8) 0.5 1. 0 d As4 As0 2 c 0.3333 0.6667 0. 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Co0 0.000 As0 0.000