data_global _amcsd_formula_title 'AlSiO3OH' loop_ _publ_author_name 'Schmidt M W' 'Finger L W' 'Angel R J' 'Dinnebier R E' _journal_name_full 'American Mineralogist' _journal_volume 83 _journal_year 1998 _journal_page_first 881 _journal_page_last 888 _publ_section_title ; Synthesis, crystal structure, and phase relations of AlSiO3OH, a high-pressure hydrous phase ; _database_code_amcsd 0002027 _chemical_formula_sum 'Al Si H O4' _cell_length_a 7.14409 _cell_length_b 4.33462 _cell_length_c 6.95253 _cell_angle_alpha 90 _cell_angle_beta 98.369 _cell_angle_gamma 90 _cell_volume 213.006 _exptl_crystal_density_diffrn 3.744 _symmetry_space_group_name_H-M 'P 1 21/n 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,1/2+z' '1/2-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 Al 0.06463 0.02406 0.70840 0.00342 Si 0.68048 0.01714 0.58383 0.00398 H 0.79600 0.55300 0.42200 0.02153 O1 0.15130 0.20230 0.26000 0.00443 O2 0.52260 0.19370 0.39430 0.00329 O3 0.88004 0.20070 0.51236 0.00241 O4 0.76017 0.21460 0.12880 0.00393