data_global _chemical_name_mineral 'Kanoite' loop_ _publ_author_name 'Arlt T' 'Angel R J' 'Miletich R' 'Armbruster T' 'Peters T' _journal_name_full 'American Mineralogist' _journal_volume 83 _journal_year 1998 _journal_page_first 1176 _journal_page_last 1181 _publ_section_title ; High-pressure P2_1/c-C2/c phase transitions in clinopyroxenes: Influence of cation size and electronic structure Sample at P = 5.2 GPa ; _database_code_amcsd 0002050 _chemical_formula_sum '(Mg.786 Mn.214) Si O3' _cell_length_a 9.4199 _cell_length_b 8.7830 _cell_length_c 5.0201 _cell_angle_alpha 90 _cell_angle_beta 103.050 _cell_angle_gamma 90 _cell_volume 404.611 _exptl_crystal_density_diffrn 3.511 _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 _atom_site_occupancy _atom_site_U_iso_or_equiv Mg1 0.00000 0.90640 0.25000 0.83600 0.01381 Mn1 0.00000 0.90640 0.25000 0.16400 0.01381 Mn2 0.00000 0.28120 0.25000 0.26400 0.01077 Mg2 0.00000 0.28120 0.25000 0.73600 0.01077 Si 0.29450 0.09100 0.21870 1.00000 0.01102 O1 0.12250 0.08810 0.14090 1.00000 0.01279 O2 0.37580 0.24270 0.36150 1.00000 0.01229 O3 0.34880 0.05140 0.93390 1.00000 0.01456