data_global
_amcsd_formula_title 'K2ZnSi4O10'
loop_
_publ_author_name
'Kohara S'
'Kawahara A'
_journal_name_full 'Acta Crystallographica, Section C'
_journal_volume 46 
_journal_year 1990
_journal_page_first 1373
_journal_page_last 1376
_publ_section_title
;
 Structure of synthetic dipotassium zinc tetrasilicate
;
_database_code_amcsd 0010165
_chemical_formula_sum 'Zn K2 Si4 O10'
_cell_length_a 10.0673
_cell_length_b 14.047
_cell_length_c 7.0673
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 999.425
_exptl_crystal_density_diffrn      2.764
_symmetry_space_group_name_H-M 'P 21 21 21'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,1/2+y,1/2-z'
  '1/2+x,1/2-y,-z'
  '1/2-x,-y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Zn   0.19340   0.35450   0.01660   0.00874
K1   0.32610   0.39980   0.51020   0.02622
K2   0.39770   0.11780   0.23150   0.02761
Si1   0.48250   0.42150   0.96900   0.00773
Si2   0.09730   0.22670   0.32590   0.00836
Si3   0.44010   0.09910   0.73360   0.00811
Si4   0.34570   0.82090   0.23580   0.00760
O1   0.07530   0.98680   0.07800   0.01393
O2   0.17110   0.55100   0.47370   0.01596
O3   0.46670   0.88210   0.32850   0.01393
O4   0.00600   0.15840   0.19050   0.02128
O5   0.22670   0.26730   0.22790   0.01760
O6   0.36480   0.83710   0.00900   0.01672
O7   0.00380   0.81020   0.10740   0.01532
O8   0.20920   0.87570   0.30450   0.01672
O9   0.03180   0.42590   0.09190   0.01140
O10   0.34520   0.71120   0.28330   0.01431