data_global _chemical_name_mineral 'Muscovite-2M1' loop_ _publ_author_name 'Brigatti M F' 'Kile D E' 'Poppi M' _journal_name_full 'The Canadian Mineralogist' _journal_volume 39 _journal_year 2001 _journal_page_first 1171 _journal_page_last 1180 _publ_section_title ; Crystal structure and crystal chemistry of lithium-bearing muscovite-2M1 O4 B33 is missing a zero Sample: 2b ; _database_code_amcsd 0005735 _chemical_formula_sum 'O11.72 (F.28 Na.14) Rb.02 K.84 Si3.192 Al2.568 Fe.13 Li.13 Mg.01 H1.72' _cell_length_a 5.190 _cell_length_b 9.022 _cell_length_c 20.057 _cell_angle_alpha 90 _cell_angle_beta 95.60 _cell_angle_gamma 90 _cell_volume 934.670 _exptl_crystal_density_diffrn 2.840 _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_occupancy _atom_site_U_iso_or_equiv O11 0.74590 0.31550 0.15940 1.00000 0.01697 O21 0.24590 0.36550 0.16800 1.00000 0.01684 O22 0.42410 0.09220 0.16720 1.00000 0.01684 O31 0.39660 0.25210 0.05310 1.00000 0.01203 O32 0.95400 0.43730 0.05300 1.00000 0.01216 O-H4 0.95180 0.06650 0.04960 0.86000 0.01305 F4 0.95180 0.06650 0.04960 0.14000 0.01305 NaA 0.00000 0.09570 0.25000 0.14000 0.02064 RbA 0.00000 0.09570 0.25000 0.02000 0.02064 KA 0.00000 0.09570 0.25000 0.84000 0.02064 SiT1 0.45410 0.25710 0.13474 0.79800 0.00646 AlT1 0.45410 0.25710 0.13474 0.20200 0.00646 SiT2 0.96400 0.42680 0.13478 0.79800 0.00595 AlT2 0.96400 0.42680 0.13478 0.20200 0.00595 FeM2 0.25270 0.08400 -0.00004 0.06000 0.00709 AlM2 0.25270 0.08400 -0.00004 0.88000 0.00709 LiM2 0.25270 0.08400 -0.00004 0.06000 0.00709 FeM1 0.75000 0.25000 0.00000 0.01000 0.03470 LiM1 0.75000 0.25000 0.00000 0.01000 0.03470 MgM1 0.75000 0.25000 0.00000 0.01000 0.03470 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 O11 0.01284 0.02144 0.01615 -0.00331 -0.00052 0.00639 O21 0.01446 0.02144 0.01413 0.00661 0.00261 0.00091 O22 0.02649 0.01072 0.01413 -0.00071 0.00313 0.00091 O31 0.01798 0.01072 0.00807 -0.00165 0.00052 -0.00091 O32 0.01122 0.01608 0.00807 0.00071 0.00157 -0.00091 O-H4 0.01744 0.01526 0.00606 0.00354 0.00313 -0.00365 F4 0.01744 0.01526 0.00606 0.00354 0.00313 -0.00365 NaA 0.02095 0.02144 0.02019 0.00000 0.00209 0.00000 RbA 0.02095 0.02144 0.02019 0.00000 0.00209 0.00000 KA 0.02095 0.02144 0.02019 0.00000 0.00209 0.00000 SiT1 0.00649 0.00536 0.00807 -0.00071 0.00052 0.00091 AlT1 0.00649 0.00536 0.00807 -0.00071 0.00052 0.00091 SiT2 0.00500 0.00619 0.00807 -0.00024 0.00157 0.00182 AlT2 0.00500 0.00619 0.00807 -0.00024 0.00157 0.00182 FeM2 0.00635 0.00660 0.00807 0.00024 0.00157 -0.00091 AlM2 0.00635 0.00660 0.00807 0.00024 0.00157 -0.00091 LiM2 0.00635 0.00660 0.00807 0.00024 0.00157 -0.00091