#------------------------------------------------------------------------------ #$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/2100187.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_2100187 _journal_name_full 'Acta Crystallographica, Section B' _journal_year 2005 _journal_volume 61 _journal_page_first 129 _journal_page_last 132 loop_ _publ_author_name "Caspi, El'ad N." 'Pokroy, Boaz' 'Lee, Peter L.' 'Quintana, John P.' 'Zolotoyabko, Emil' _chemical_name_common aragonite _chemical_formula_sum 'C Ca O3' _chemical_formula_weight 100.09 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_H-M 'P m c n' loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 +x,+y,+z 2 -x+1/2,+y,+z 3 +x,-y+1/2,+z+1/2 4 -x+1/2,-y+1/2,+z+1/2 -1 -x,-y,-z -2 +x+1/2,-y,-z -3 -x,+y+1/2,-z+1/2 -4 +x+1/2,+y+1/2,-z+1/2 _cell_length_a 4.961830(13) _cell_length_b 7.96914(2) _cell_length_c 5.742852(15) _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 90.0 _cell_volume 227.0810(10) _cell_formula_units_Z 4 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_thermal_displace_type _atom_site_occupancy _atom_site_type_symbol Ca 0.25 0.41502(2) 0.75985(4) 0.00764 Uani 1.0 Ca C 0.25 0.76194(12) -0.08240(14) 0.01523 Uani 1.0 C O1 0.25 0.92238(8) -0.09453(8) 0.01161 Uani 1.0 O O2 0.47499(7) 0.68012(5) -0.08725(7) 0.01035 Uani 1.0 O loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Ca 0.00450(9) 0.00677(9) 0.01166(10) 0.0 0.0 -0.00195(14) C 0.0198(6) 0.0210(6) 0.0049(5) 0.0 0.0 -0.0005(5) O1 0.0127(4) 0.0033(3) 0.0188(4) 0.0 0.0 0.0037(3) O2 0.0004(2) 0.0107(2) 0.0200(3) 0.00669(18) 0.0003(2) 0.0016(2) _cod_database_code 2100187