#------------------------------------------------------------------------------ #$Date: 2015-01-27 19:58:39 +0000 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/22/2002230.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_2002230 loop_ _publ_author_name 'Deiseroth, H J' 'Mueller-Buschbaum, Hk' _publ_section_title 'Zur Kenntnis von Ca Ga4 O7' _journal_name_full ; Zeitschrift fuer Anorganische und Allgemeine Chemie ; _journal_page_first 149 _journal_page_last 156 _journal_paper_doi 10.1002/zaac.19713820206 _journal_volume 382 _journal_year 1971 _chemical_formula_structural 'Ca Ga4 O7' _chemical_formula_sum 'Ca Ga4 O7' _chemical_name_systematic 'Calcium tetragallium oxide' _space_group_IT_number 15 _symmetry_cell_setting monoclinic _symmetry_Int_Tables_number 15 _symmetry_space_group_name_Hall '-C 2yc' _symmetry_space_group_name_H-M 'C 1 2/c 1' _cell_angle_alpha 90 _cell_angle_beta 105.15 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 13.065 _cell_length_b 9.079 _cell_length_c 5.6 _cell_volume 641.2 _exptl_crystal_density_meas 4.44 _cod_database_code 2002230 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,y,1/2-z -x,-y,-z x,-y,1/2+z 1/2+x,1/2+y,z 1/2-x,1/2+y,1/2-z 1/2-x,1/2-y,-z 1/2+x,1/2-y,1/2+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+ 4 e 0. 0.297 0.25 1. 0 d Ga1 Ga3+ 8 f 0.121 0.062 0.743 1. 0 d Ga2 Ga3+ 8 f 0.34 0.085 0.188 1. 0 d O1 O2- 8 f 0.195 0.058 0.075 1. 0 d O2 O2- 8 f 0.383 0.068 -0.09 1. 0 d O3 O2- 8 f 0.116 0.25 -0.355 1. 0 d O4 O2- 4 e 0. 0.062 0.25 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Ca2+ 2.000 Ga3+ 3.000 O2- -2.000