#------------------------------------------------------------------------------ #$Date: 2018-01-15 12:00:33 +0200 (Mon, 15 Jan 2018) $ #$Revision: 205222 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/20/00/1200014.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_1200014 loop_ _publ_author_name 'Beran, A.' 'Zemann, J.' _publ_section_title ; Refinement and Comparison of the Crystal Structures of a Dolomite and an Fe-rich Ankerite ; _journal_coden_ASTM MPMTAG _journal_name_full ; Tschermaks Mineralogische und Petrographische Mitteilungen (-1978) ; _journal_page_first 279 _journal_page_last 286 _journal_paper_doi 10.1007/BF01081130 _journal_volume 24 _journal_year 1977 _chemical_compound_source 'from Oberdorf, Styria, Austria' _chemical_formula_analytical 'Ca (Mg0.94 Fe0.05 Mn0.01) (C O3)2' _chemical_formula_structural 'Ca Mg (C O3)2' _chemical_formula_sum 'C2 Ca Mg O6' _chemical_name_mineral Dolomite _chemical_name_systematic 'Calcium magnesium carbonate' _space_group_crystal_system trigonal _space_group_IT_number 148 _space_group_name_Hall '-R 3' _space_group_name_H-M_alt 'R -3 :H' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 3 _cell_length_a 4.812(1) _cell_length_b 4.812(1) _cell_length_c 16.01999(300) _cell_volume 321.3 _refine_ls_R_factor_all 0.029 _cod_original_sg_symbol_H-M 'R -3 H' _cod_original_formula_sum 'Ca Mg O6' _cod_database_code 1200014 loop_ _space_group_symop_id _space_group_symop_operation_xyz 1 x,y,z 2 -y,x-y,z 3 y-x,-x,z 4 -x,-y,-z 5 y,y-x,-z 6 x-y,x,-z 7 1/3+x,2/3+y,2/3+z 8 2/3+x,1/3+y,1/3+z 9 1/3-y,2/3+x-y,2/3+z 10 2/3-y,1/3+x-y,1/3+z 11 1/3-x+y,2/3-x,2/3+z 12 2/3-x+y,1/3-x,1/3+z 13 1/3-x,2/3-y,2/3-z 14 2/3-x,1/3-y,1/3-z 15 1/3+y,2/3-x+y,2/3-z 16 2/3+y,1/3-x+y,1/3-z 17 1/3+x-y,2/3+x,2/3-z 18 2/3+x-y,1/3+x,1/3-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 Ca1 Ca2+ 3 a 0. 0. 0. 1. 0 d Mg1 Mg2+ 3 b 0. 0. 0.5 1. 0 d C1 C4+ 6 c 0. 0. 0.2429(1) 1. 0 d O1 O2- 18 f 0.2485(2) -0.0343(2) 0.2439(1) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Ca2+ 2.000 Mg2+ 2.000 C4+ 4.000 O2- -2.000