data_global _amcsd_formula_title 'Sr(IO3)2.H2O' loop_ _publ_author_name 'Lutz H D' 'Kellersohn T' 'Vogt T' _journal_name_full 'Acta Crystallographica, Section C' _journal_volume 46 _journal_year 1990 _journal_page_first 979 _journal_page_last 981 _publ_section_title ; Structural instability of the water molecule in Sr(IO3)2.H2O, a neutron diffraction study ; _database_code_amcsd 0010145 _chemical_formula_sum 'Sr I2 O7 H2' _cell_length_a 8.9003 _cell_length_b 7.748 _cell_length_c 9.6496 _cell_angle_alpha 90 _cell_angle_beta 90.230 _cell_angle_gamma 90 _cell_volume 665.427 _exptl_crystal_density_diffrn 4.546 _symmetry_space_group_name_H-M 'I 1 2/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' 'x,-y,1/2+z' '1/2+x,1/2-y,+z' '-x,y,1/2-z' '1/2-x,1/2+y,-z' '-x,-y,-z' '1/2-x,1/2-y,1/2-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Sr 0.00000 0.40830 0.25000 I 0.26440 0.28090 0.55980 O1 0.06760 0.33630 0.56440 O2 0.26200 0.08740 0.66670 O3 0.27150 0.18400 0.39180 O4 0.00000 0.08320 0.25000 H 0.08460 0.01730 0.22500 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Sr 0.01770 0.01720 0.02570 0.00000 0.00950 0.00000 I 0.01120 0.01310 0.01250 0.00040 0.00240 0.00080 O1 0.01420 0.02290 0.03020 0.00300 0.00340 0.00220 O2 0.02030 0.01980 0.02410 0.00260 0.00760 0.00720 O3 0.02170 0.03060 0.01600 0.00110 0.00190 0.00550 O4 0.01590 0.02180 0.09970 0.00000 0.00300 0.00000 H 0.03190 0.04370 0.05740 0.00950 0.00370 0.00890