data_global _chemical_name_mineral 'Baratovite' loop_ _publ_author_name 'Baur W H' 'Kassner D' _journal_name_full 'European Journal of Mineralogy' _journal_volume 4 _journal_year 1992 _journal_page_first 839 _journal_page_last 841 _publ_section_title ; Katayamalite and baratovite are structurally identical ; _database_code_amcsd 0006461 _chemical_formula_sum 'K Li3 Ca7 Ti2 Si12 O36 F2' _cell_length_a 16.923 _cell_length_b 9.721 _cell_length_c 20.909 _cell_angle_alpha 90 _cell_angle_beta 112.40 _cell_angle_gamma 90 _cell_volume 3180.168 _exptl_crystal_density_diffrn 2.897 _symmetry_space_group_name_H-M 'C 1 2/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z K 0.00000 0.07100 0.25000 Li1 0.50000 0.08350 0.25000 Li2 0.24625 0.31675 0.24850 Ca1 0.22050 -0.07250 0.51300 Ca2 0.14550 0.28350 0.50700 Ca3 0.07200 0.63900 0.50000 Ca4 0.00000 0.00000 0.00000 Ti 0.33500 0.07050 0.25200 Si1 0.61400 0.26500 0.36000 Si2 0.43100 0.32350 0.36000 Si3 0.36850 0.63500 0.35900 Si4 0.49100 0.88000 0.36000 Si5 0.67350 0.81550 0.35900 Si6 0.73900 0.50800 0.36200 O1 0.65850 0.40350 0.34500 O2 0.65900 0.22350 0.44100 O3 0.61250 0.14350 0.30800 O4 0.51525 0.30975 0.34050 O5 0.35350 0.23900 0.30600 O6 0.45200 0.28300 0.43900 O7 0.41025 0.48775 0.35050 O8 0.27350 0.65300 0.30400 O9 0.37850 0.65150 0.43800 O10 0.42675 0.74875 0.34050 O11 0.52125 0.91975 0.44150 O12 0.44850 0.00450 0.30900 O13 0.57250 0.82050 0.34500 O14 0.72800 0.85450 0.43800 O15 0.69500 0.90700 0.30400 O16 0.69250 0.65750 0.34500 O17 0.78550 0.47600 0.31000 O18 0.80050 0.49850 0.44200 F 0.10100 0.06850 0.45700