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
 Sample: 147
;
_database_code_amcsd 0005736
_chemical_formula_sum 'O11.58 (F.42 Na.01) Rb.03 K.96 Si3.24 Al2.24 Fe.47 Li.27 H1.58'
_cell_length_a 5.209
_cell_length_b 9.038
_cell_length_c 19.997
_cell_angle_alpha 90
_cell_angle_beta 95.70
_cell_angle_gamma 90
_cell_volume 936.783
_exptl_crystal_density_diffrn      2.941
_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   0.74960   0.31730   0.15980   1.00000   0.02723
O21   0.24150   0.36110   0.16880   1.00000   0.02533
O22   0.42990   0.09410   0.16840   1.00000   0.02444
O31   0.39430   0.24960   0.05431   1.00000   0.02482
O32   0.96200   0.43780   0.05440   1.00000   0.02052
O-H4   0.95240   0.06180   0.05040   0.79000   0.02216
F4   0.95240   0.06180   0.05040   0.21000   0.02216
NaA   0.00000   0.09840   0.25000   0.01000   0.03280
RbA   0.00000   0.09840   0.25000   0.03000   0.03280
KA   0.00000   0.09840   0.25000   0.96000   0.03280
SiT1   0.45260   0.25930   0.13570   0.81000   0.01697
AlT1   0.45260   0.25930   0.13570   0.19000   0.01697
SiT2   0.96630   0.43030   0.13550   0.81000   0.01330
AlT2   0.96630   0.43030   0.13550   0.19000   0.01330
FeM2   0.25180   0.08250   0.00008   0.14000   0.01786
AlM2   0.25180   0.08250   0.00008   0.74000   0.01786
LiM2   0.25180   0.08250   0.00008   0.12000   0.01786
FeM1   0.75000   0.25000   0.00000   0.19000   0.02520
LiM1   0.75000   0.25000   0.00000   0.03000   0.02520
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 0.02205 0.02897 0.03209 -0.00119 0.00313 0.00456
O21 0.03049 0.01655 0.03009 0.00522 0.00784 0.00091
O22 0.02572 0.02028 0.02808 -0.00237 0.00731 0.00091
O31 0.02014 0.03104 0.02407 -0.00403 0.00522 0.00729
O32 0.00926 0.02483 0.02808 0.00214 -0.00052 0.00456
O-H4 0.03185 0.00828 0.02608 0.00451 0.00470 0.00091
F4 0.03185 0.00828 0.02608 0.00451 0.00470 0.00091
NaA 0.02967 0.02607 0.04413 0.00000 0.00470 0.00000
RbA 0.02967 0.02607 0.04413 0.00000 0.00470 0.00000
KA 0.02967 0.02607 0.04413 0.00000 0.00470 0.00000
SiT1 0.01388 0.01573 0.02206 -0.00071 0.00366 0.00091
AlT1 0.01388 0.01573 0.02206 -0.00071 0.00366 0.00091
SiT2 0.01157 0.00579 0.02206 -0.00071 0.00209 0.00182
AlT2 0.01157 0.00579 0.02206 -0.00071 0.00209 0.00182
FeM2 0.01633 0.01531 0.02206 0.00047 0.00261 0.00182
AlM2 0.01633 0.01531 0.02206 0.00047 0.00261 0.00182
LiM2 0.01633 0.01531 0.02206 0.00047 0.00261 0.00182