data_9002436 _chemical_name 'Titanite' loop_ _publ_author_name 'Kunz M' 'Arlt T' 'Stolz J' _journal_name_full "American Mineralogist" _journal_volume 85 _journal_year 2000 _journal_page_first 1465 _journal_page_last 1473 _publ_section_title ; In situ powder diffraction study of titanite (CaTiOSiO4) at high pressure and high temperature Sample #002 at P = 0.87 GPa, T = 609 K ; _chemical_formula_sum 'Ca Ti Si O5' _cell_length_a 7.0512 _cell_length_b 8.7141 _cell_length_c 6.5521 _cell_angle_alpha 90 _cell_angle_beta 113.735 _cell_angle_gamma 90 _cell_volume 368.540 _symmetry_space_group_name_H-M 'P 1 21/a 1' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2-y,z' '1/2-x,1/2+y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Ca 0.24400 0.92400 0.74400 Ti 0.50300 0.74700 0.24100 Si 0.73800 0.92300 0.75600 O1 0.87100 0.78000 0.25100 O2 0.92600 0.81600 0.93200 O3 0.37800 0.95500 0.14200 O4 0.93000 0.31000 0.43300 O5 0.38900 0.46600 0.68200