data_global _chemical_name_mineral 'Ferrocarpholite' loop_ _publ_author_name 'Ferraris G' 'Ivaldi G' 'Goffe B' _journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte' _journal_volume 1992 _journal_year 1992 _journal_page_first 337 _journal_page_last 347 _publ_section_title ; Structural study of a magnesian ferrocarpholite: Are carpholites monoclinic? ; _database_code_amcsd 0014864 _chemical_compound_source 'Mascate nappes, Ruwi, Oman' _chemical_formula_sum '(Fe.76 Mg.24) Al2 Si2 O10 H4' _cell_length_a 13.797 _cell_length_b 20.20 _cell_length_c 5.116 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1425.826 _exptl_crystal_density_diffrn 3.004 _symmetry_space_group_name_H-M 'C c c a' 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,1/2+y,1/2+z' '1/2-x,+y,1/2+z' 'x,1/2-y,1/2-z' '1/2+x,-y,1/2-z' 'x,1/2+y,-z' '1/2+x,+y,-z' '-x,1/2-y,z' '1/2-x,-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 _atom_site_U_iso_or_equiv Fe 0.00000 0.87434 0.75000 0.76000 0.00608 Mg 0.00000 0.87434 0.75000 0.24000 0.00608 Al1 0.19103 0.75000 0.75000 1.00000 0.00456 Al2 0.00000 0.96122 0.25000 1.00000 0.00507 Si 0.19373 0.87979 0.41767 1.00000 0.00431 O1 0.20558 0.79992 0.43190 1.00000 0.00646 O2 0.08135 0.89915 0.40390 1.00000 0.00697 O3 0.24702 0.91263 0.67400 1.00000 0.00747 O-h1 0.10016 0.80880 0.88240 1.00000 0.00988 O-h2 0.06806 0.96633 0.92810 1.00000 0.00684 H1 -0.09200 0.79300 0.47100 1.00000 0.03420 H2 0.11800 0.96700 0.89700 1.00000 0.02153 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 Fe 0.00590 0.00570 0.00660 0.00000 0.00100 0.00000 Mg 0.00590 0.00570 0.00660 0.00000 0.00100 0.00000 Al1 0.00470 0.00430 0.00470 0.00000 0.00000 0.00090 Al2 0.00570 0.00510 0.00460 0.00000 -0.00040 0.00000 Si 0.00430 0.00430 0.00420 0.00060 -0.00010 0.00060 O1 0.00750 0.00630 0.00550 0.00100 -0.00030 0.00100 O2 0.00670 0.00750 0.00690 0.00020 -0.00100 0.00110 O3 0.00880 0.00690 0.00670 0.00040 -0.00170 0.00020 O-h1 0.00970 0.01020 0.00990 0.00180 0.00010 -0.00020 O-h2 0.00550 0.00800 0.00680 0.00080 0.00150 -0.00020