#------------------------------------------------------------------------------ #$Date: 2015-01-27 19:58:39 +0000 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/23/2002319.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_2002319 loop_ _publ_author_name 'Mueller-Buschbaum, Hk' 'Waburg, M' _journal_name_full ; Monatshefte fuer Chemie und verwandte Teile anderer Wissenschaften (109,1978-) ; _journal_page_first 21 _journal_page_last 25 _journal_volume 114 _journal_year 1983 _chemical_formula_structural (Mg,Fe)Ti2O5 _chemical_formula_sum 'Mg O5 Ti2' _chemical_name_mineral Armalcolite _chemical_name_systematic 'Magnesium dititanium oxide' _space_group_IT_number 63 _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 63 _symmetry_space_group_name_Hall '-C 2c 2' _symmetry_space_group_name_H-M 'C m c m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 3.745 _cell_length_b 9.728 _cell_length_c 9.99 _cell_volume 363.9 _cod_database_code 2002319 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,-y,-z x,y,1/2-z x,-y,1/2+z -x,-y,-z -x,y,z -x,-y,1/2+z -x,y,1/2-z 1/2+x,1/2+y,z 1/2+x,1/2-y,-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,-z 1/2-x,1/2+y,z 1/2-x,1/2-y,1/2+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 Mg1 Mg2+ 4 c 0. 0.1943 0.25 1. 0 d Ti1 Ti4+ 8 f 0. 0.1341 0.5657 1. 0 d O1 O2- 4 c 0. 0.7775 0.25 1. 0 d O2 O2- 8 f 0. 0.0458 0.114 1. 0 d O3 O2- 8 f 0. 0.313 0.0638 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Mg2+ 2.000 Ti4+ 4.000 O2- -2.000