data_global _amcsd_formula_title 'ZnSiO3' loop_ _publ_author_name 'Arlt T' 'Angel R J' _journal_name_full 'Physics and Chemistry of Minerals' _journal_volume 27 _journal_year 2000 _journal_page_first 719 _journal_page_last 731 _publ_section_title ; Displacive phase transitions in C-centred clinopyroxenes: spodumene, LiScSi2O6 and ZnSiO3 Sample: P = 4.258 GPa ; _database_code_amcsd 0008500 _chemical_formula_sum 'Zn Si O3' _cell_length_a 9.5781 _cell_length_b 8.8905 _cell_length_c 5.1798 _cell_angle_alpha 90 _cell_angle_beta 109.443 _cell_angle_gamma 90 _cell_volume 415.928 _exptl_crystal_density_diffrn 4.519 _symmetry_space_group_name_H-M 'P 1 21/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,1/2+z' '-x,1/2+y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv ZnM1 0.25080 0.65090 0.22470 0.00456 ZnM2 0.25510 0.00340 0.22110 0.00481 SiA 0.04680 0.34030 0.29240 0.00177 SiB 0.55680 0.83380 0.23970 0.00177 O1A 0.86910 0.33860 0.18000 0.00722 O1B 0.37790 0.83670 0.13000 0.00722 O2A 0.11690 0.50330 0.33650 0.00494 O2B 0.63410 0.98280 0.38950 0.00494 O3A 0.10900 0.26620 0.59820 0.00519 O3B 0.60780 0.69650 0.47020 0.00519