data_global _chemical_name_mineral 'Romanechite' loop_ _publ_author_name 'Turner S' 'Post J E' _journal_name_full 'American Mineralogist' _journal_volume 73 _journal_year 1988 _journal_page_first 1155 _journal_page_last 1161 _publ_section_title ; Refinement of the substructure and superstructure of romanechite ; _database_code_amcsd 0001198 _chemical_formula_sum 'Mn5 O11.18 Ba.66 H1.18' _cell_length_a 13.929 _cell_length_b 2.8459 _cell_length_c 9.678 _cell_angle_alpha 90 _cell_angle_beta 92.39 _cell_angle_gamma 90 _cell_volume 383.307 _exptl_crystal_density_diffrn 4.725 _symmetry_space_group_name_H-M 'C 1 2/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,z' '1/2+x,1/2-y,z' '-x,y,-z' '1/2-x,1/2+y,-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_occupancy Mn1 0.00000 0.50000 0.00000 1.00000 Mn2 0.99978 0.00000 0.26820 1.00000 Mn3 0.34010 0.00000 0.48410 1.00000 O1 0.56690 0.00000 0.17730 1.00000 O2 0.09760 0.00000 0.42440 1.00000 O3 0.76630 0.00000 0.39580 1.00000 O4 0.42480 0.00000 0.33540 1.00000 O5 0.92630 0.00000 0.07210 1.00000 Ba 0.24660 0.00000 0.12420 0.33000 O-H 0.25000 0.00000 0.13100 0.59000 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 Mn1 0.01810 0.00240 0.00970 0.00000 0.00420 0.00000 Mn2 0.01400 0.00350 0.00930 0.00000 0.00100 0.00000 Mn3 0.01390 0.00370 0.01020 0.00000 0.00180 0.00000 O1 0.01870 0.00350 0.01340 0.00000 0.00370 0.00000 O2 0.01880 0.00410 0.01440 0.00000 -0.00120 0.00000 O3 0.01680 0.00540 0.01140 0.00000 0.00120 0.00000 O4 0.01580 0.00430 0.01360 0.00000 0.00440 0.00000 O5 0.02220 0.00470 0.03030 0.00000 0.01080 0.00000 Ba 0.01310 0.01190 0.01270 0.00000 0.00090 0.00000