data_global _amcsd_formula_title 'Cr2(SO4)3' loop_ _publ_author_name 'Dahmen T' 'Gruehn R' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 204 _journal_year 1993 _journal_page_first 57 _journal_page_last 65 _publ_section_title ; Beitraege zum thermischen verhalten von sulfaten. IX. Einkristallstrukturverfeinerung der metall(III)-sulfate Cr2(SO4)3 und Al2(SO4)3 ; _database_code_amcsd 0011036 _chemical_formula_sum 'Cr2 S3 O12' _cell_length_a 8.1245 _cell_length_b 8.1245 _cell_length_c 21.944 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 1254.411 _exptl_crystal_density_diffrn 3.115 _symmetry_space_group_name_H-M 'R -3' loop_ _space_group_symop_operation_xyz 'x,y,z' '2/3+x,1/3+y,1/3+z' '1/3+x,2/3+y,2/3+z' 'y,-x+y,-z' '2/3+y,1/3-x+y,1/3-z' '1/3+y,2/3-x+y,2/3-z' '-x+y,-x,z' '2/3-x+y,1/3-x,1/3+z' '1/3-x+y,2/3-x,2/3+z' '-x,-y,-z' '2/3-x,1/3-y,1/3-z' '1/3-x,2/3-y,2/3-z' '-y,x-y,z' '2/3-y,1/3+x-y,1/3+z' '1/3-y,2/3+x-y,2/3+z' 'x-y,x,-z' '2/3+x-y,1/3+x,1/3-z' '1/3+x-y,2/3+x,2/3-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Cr1 0.00000 0.00000 0.14390 Cr2 0.00000 0.00000 0.34920 S 0.29080 0.28850 0.25070 O1 0.87030 0.34060 0.14060 O2 0.80940 0.25090 0.03420 O3 0.03490 0.20490 0.08910 O4 0.10620 0.52440 0.06750 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 Cr1 0.00500 0.00500 0.00520 0.00250 0.00000 0.00000 Cr2 0.00480 0.00480 0.00590 0.00240 0.00000 0.00000 S 0.00500 0.00510 0.00630 0.00210 0.00030 -0.00080 O1 0.01340 0.01690 0.01060 0.00910 0.00540 0.00130 O2 0.01260 0.01110 0.01260 0.00650 -0.00640 -0.00140 O3 0.01010 0.01020 0.00990 0.00760 0.00120 0.00280 O4 0.00930 0.00650 0.01490 0.00260 0.00500 0.00200