data_global _chemical_name_mineral 'Titanium' loop_ _publ_author_name 'Chebotareva E S' 'Nuzhdina S G' _journal_name_full 'Fizika Metallov i Metallovedenie' _journal_volume 36 _journal_year 1973 _journal_page_first 200 _journal_page_last 202 _publ_section_title ; Observation of omega-titanium in a composite hard facing alloy based on fine-grain diamonds Sample: at P = 4 GPa, known as the omega phase ; _database_code_amcsd 0012644 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Ti' _cell_length_a 4.6 _cell_length_b 4.6 _cell_length_c 2.82 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 51.677 _exptl_crystal_density_diffrn 4.616 _symmetry_space_group_name_H-M 'P 6/m m m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-x+y,z' 'x,x-y,-z' '-x+y,-x,-z' 'x-y,x,z' '-y,-x,z' 'y,x,-z' 'y,-x+y,-z' '-y,x-y,z' 'x-y,-y,z' '-x+y,y,-z' 'x,y,-z' '-x,-y,z' 'x,x-y,z' '-x,-x+y,-z' 'x-y,x,-z' '-x+y,-x,z' 'y,x,z' '-y,-x,-z' '-y,x-y,-z' 'y,-x+y,z' '-x+y,y,z' 'x-y,-y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Ti1 0.00000 0.00000 0.00000 Ti2 0.33333 0.66667 0.50000