data_global _amcsd_formula_title 'O7 Ti4' loop_ _publ_author_name 'Hodeau J' 'Marezio M' _journal_name_full 'Journal of Solid State Chemistry' _journal_volume 29 _journal_year 1979 _journal_page_first 47 _journal_page_last 62 _publ_section_title ; Structural aspects of the metal-insulator transition in (Ti0.9975V0.0025)4O7 _cod_database_code 1008050 ; _database_code_amcsd 0015992 _chemical_formula_sum 'Ti4 O7' _cell_length_a 5.6235 _cell_length_b 7.1984 _cell_length_c 12.4018 _cell_angle_alpha 95.056 _cell_angle_beta 95.550 _cell_angle_gamma 109.676 _cell_volume 466.581 _exptl_crystal_density_diffrn 4.321 _symmetry_space_group_name_H-M 'A -1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2+y,1/2+z' '-x,-y,-z' '-x,1/2-y,1/2-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Ti1 0.23627 0.16307 0.06822 Ti2 0.21306 0.67121 0.06565 Ti3 0.66984 0.43872 0.19383 Ti4 0.70556 0.94939 0.20431 O1 0.10790 0.86150 0.01680 O2 0.57990 0.79700 0.06200 O3 0.85700 0.49660 0.07440 O4 0.31600 0.44480 0.14190 O5 0.52780 0.13640 0.16880 O6 0.03730 0.07090 0.19770 O7 0.28460 0.77960 0.22260