data_global
_chemical_name_mineral 'Zippeite'
loop_
_publ_author_name
'Vochten R'
'Van Haverbeke L'
'Van Springel K'
'Blaton N'
'Peeters O M'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 33 
_journal_year 1995
_journal_page_first 1091
_journal_page_last 1101
_publ_section_title
;
 The structure and physicochemical characteristics of synthetic zippeite
 Note: S occupancies increase from .5 to full to match formula
;
_database_code_amcsd 0005465
_chemical_formula_sum 'K U2 S O12 H5'
_cell_length_a 8.755
_cell_length_b 13.987
_cell_length_c 17.730
_cell_angle_alpha 90
_cell_angle_beta 104.13
_cell_angle_gamma 90
_cell_volume 2105.459
_exptl_crystal_density_diffrn      4.696
_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
K1   0.44870   0.24080   0.13470   0.50000   0.01880
K2   0.42800   0.26540   0.07080   0.50000   0.02060
U1   0.16680   0.01573   0.08649   1.00000   0.01340
U2   0.66650   0.98427   0.08618   1.00000   0.01510
S1   0.50000  -0.00780   0.25000   1.00000   0.01410
S2   0.00000   0.00160   0.25000   1.00000   0.01300
O1   0.19200   0.14180   0.07120   1.00000   0.01520
O1*   0.19800   0.89780   0.11630   1.00000   0.01400
O2   0.65100   0.10720   0.11100   1.00000   0.01600
O2*   0.64800   0.86470   0.05570   1.00000   0.01400
O-H3   0.39300  -0.02800   0.04590   1.00000   0.01570
O-H4  -0.09900  -0.00590   0.04400   1.00000   0.01200
O5   0.55870  -0.07010   0.19550   1.00000   0.01450
O6   0.08200   0.06360   0.20480   1.00000   0.01500
O7   0.38890   0.05490   0.19750   1.00000   0.01640
O8   0.87800  -0.05690   0.20080   1.00000   0.01700
O-H9   0.28500   0.26910   0.26250   1.00000   0.01910
Wat10   0.08800   0.25500   0.40200   1.00000   0.07300