data_global _chemical_name_mineral 'Magnesiocarpholite' loop_ _publ_author_name 'Fuchs Y' 'Mellini M' 'Memmi I' _journal_name_full 'European Journal of Mineralogy' _journal_volume 13 _journal_year 2001 _journal_page_first 533 _journal_page_last 543 _publ_section_title ; Crystal-chemistry of magnesiocarpholite: controversial X-ray diffraction, Mossbauer, FTIR and Raman results ; _database_code_amcsd 0006871 _chemical_compound_source 'Monte Leoni' _chemical_formula_sum 'K.004 (Mg1.3 Fe.7) Al3.96 Si4 O19.92 F.24 H7.92' _cell_length_a 13.726 _cell_length_b 20.099 _cell_length_c 5.112 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1410.293 _exptl_crystal_density_diffrn 2.926 _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 K 0.00000 0.75000 0.25000 0.00400 0.01000 MgM1 0.00000 0.87524 0.75000 0.65000 0.00730 FeM1 0.00000 0.87524 0.75000 0.35000 0.00730 Al1 0.19117 0.75000 0.75000 0.99000 0.00560 Al2 0.00000 0.96128 0.25000 0.99000 0.00530 Si 0.19351 0.87978 0.41670 1.00000 0.00480 O1 0.20620 0.79982 0.43130 1.00000 0.00690 O2 0.08032 0.89928 0.40980 1.00000 0.00730 O3 0.24835 0.91283 0.67080 1.00000 0.00780 O-h1 0.09982 0.80994 0.87670 0.99000 0.01010 F1 0.09982 0.80994 0.87670 0.03000 0.01010 O-h2 0.06814 0.96580 0.92780 0.99000 0.00710 F2 0.06814 0.96580 0.92780 0.03000 0.00710 H1 -0.90000 0.80100 0.49500 0.99000 0.06800 H2 0.12900 0.95900 0.92500 0.99000 0.03100 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 MgM1 0.00580 0.00790 0.00840 0.00000 0.00130 0.00000 FeM1 0.00580 0.00790 0.00840 0.00000 0.00130 0.00000 Al1 0.00540 0.00520 0.00610 0.00000 0.00000 0.00040 Al2 0.00480 0.00570 0.00560 0.00000 -0.00010 0.00000 Si 0.00410 0.00530 0.00520 0.00080 0.00010 0.00020 O1 0.00700 0.00550 0.00810 0.00060 0.00050 0.00020 O2 0.00520 0.00880 0.00780 0.00140 0.00000 0.00130 O3 0.00860 0.00740 0.00740 -0.00040 -0.00200 0.00080 O-h1 0.00900 0.01050 0.01070 0.00400 0.00000 -0.00030 F1 0.00900 0.01050 0.01070 0.00400 0.00000 -0.00030 O-h2 0.00460 0.00880 0.00790 0.00100 0.00080 0.00030 F2 0.00460 0.00880 0.00790 0.00100 0.00080 0.00030