data_global _chemical_name_mineral 'Kieserite' loop_ _publ_author_name 'Talla D' 'Wildner M' _journal_name_full 'American Mineralogist' _journal_volume 104 _journal_year 2019 _journal_page_first 1732 _journal_page_last 1749 _publ_section_title ; Investigation of the kieserite-szomolnokite solid-solution series, (Mg,Fe)SO4*H2O, with relevance to Mars: Crystal chemistry, FTIR, and Raman spectroscopy under ambient and martian temperature conditions Note: T = -80 C ; _database_code_amcsd 0021013 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Mg S O5 H2' _cell_length_a 6.8815 _cell_length_b 7.6534 _cell_length_c 7.6172 _cell_angle_alpha 90 _cell_angle_beta 117.884 _cell_angle_gamma 90 _cell_volume 354.596 _exptl_crystal_density_diffrn 2.592 _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_U_iso_or_equiv Mg 0.00000 0.50000 0.00000 0.00566 S 0.00000 0.15635 0.25000 0.00461 O1 0.17541 0.04664 0.39602 0.00910 O2 0.09440 0.26900 0.15044 0.00824 O3 0.00000 0.63431 0.25000 0.00757 H 0.10400 0.70030 0.29100 0.02200 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 Mg 0.00494 0.00595 0.00571 -0.00034 0.00217 0.00024 S 0.00351 0.00455 0.00540 0.00000 0.00177 0.00000 O1 0.00578 0.01021 0.01016 0.00271 0.00276 0.00436 O2 0.00810 0.00758 0.01082 0.00065 0.00592 0.00323 O3 0.00700 0.00830 0.00750 0.00000 0.00343 0.00000