data_global
_amcsd_formula_title 'Zn(Zn.1Li.6Si.3)SiO4-alpha'
loop_
_publ_author_name
'Yu S C'
'Smith D K'
'Austerman S B'
_journal_name_full 'American Mineralogist'
_journal_volume 63 
_journal_year 1978
_journal_page_first 1241
_journal_page_last 1248
_publ_section_title
;
 The crystal structures and the phase transformation of Zn-Li silicates
 T = room temperature
;
_database_code_amcsd 0000692
_chemical_formula_sum 'Zn1.1 Li.6 Si1.3 O4'
_cell_length_a 6.340
_cell_length_b 10.516
_cell_length_c 5.011
_cell_angle_alpha 90
_cell_angle_beta 90.50
_cell_angle_gamma 90
_cell_volume 334.078
_exptl_crystal_density_diffrn      3.511
_symmetry_space_group_name_H-M 'P 1 21/n 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Zn1o   0.00150   0.16300   0.18820   1.00000
Zn1m   0.50310   0.15530   0.17970   0.10000
Li1m   0.50310   0.15530   0.17970   0.60000
Si1m   0.50310   0.15530   0.17970   0.30000
Si2   0.25240   0.41120   0.18520   1.00000
O1   0.25440   0.40500  -0.13810   1.00000
O2   0.25230   0.05680   0.21170   1.00000
O3   0.04490   0.33960   0.29480   1.00000
O4   0.46370   0.33950   0.29490   1.00000
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
Zn1o 0.01140 0.01008 0.00763 -0.00068 0.00129 -0.00027
Zn1m 0.02138 0.01513 0.01870 0.00034 -0.00048 0.00027
Li1m 0.02138 0.01513 0.01870 0.00034 -0.00048 0.00027
Si1m 0.02138 0.01513 0.01870 0.00034 -0.00048 0.00027
Si2 0.01324 0.00672 0.00407 -0.00034 0.00064 0.00053
O1 0.01079 0.01513 0.00356 -0.00135 0.00048 0.00000
O2 0.01731 0.00840 0.01666 0.00101 0.00048 0.00080
O3 0.01975 0.01120 0.00890 -0.00304 0.00338 -0.00160
O4 0.02158 0.01401 0.01030 0.00574 -0.00080 -0.00027