#------------------------------------------------------------------------------ #$Date: 2011-06-11 09:04:15 +0300 (Sat, 11 Jun 2011) $ #$Revision: 20519 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1010500.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_1010500 _chemical_name_systematic 'Calcium duo-dicarbide' _chemical_formula_structural 'Ca C2' _chemical_formula_sum 'Ca2 C4' _publ_section_title 'Die Kristallstruktur des Calciumcarbides.' _space_group_IT_number 201 _symmetry_space_group_name_Hall 'P 2 2 3 -1n' _symmetry_space_group_name_H-M 'P n -3 :1' _[local]_cod_cif_authors_sg_H-M 'P n -3 S' loop_ _publ_author_name 'Dehlinger, U' 'Glocker, R' _journal_name_full ; Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977) ; _journal_coden_ASTM ZEKGAX _journal_volume 64 _journal_year 1926 _journal_page_first 296 _journal_page_last 302 _cell_length_a 5.73(1) _cell_length_b 5.73(1) _cell_length_c 5.73(1) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 188.1 _cell_formula_units_Z 2 _symmetry_cell_setting cubic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' 'x,-y,-z' '-x,y,-z' '-x,-y,z' 'y,z,x' '-y,-z,x' 'y,-z,-x' '-y,z,-x' 'z,x,y' '-z,x,-y' '-z,-x,y' 'z,-x,-y' '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+x,1/2+y,1/2-z' '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+x' '1/2+y,1/2-z,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+x,1/2+y' loop_ _atom_type_symbol _atom_type_oxidation_number Ca2+ 2.000 C1- -1.000 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 Ca1 Ca2+ 4 b 0.25 0.25 0.25 1. 0 d C1 C1- 8 e -0.1 -0.1 -0.1 1. 0 d _cod_database_code 1010500