data_global
_chemical_name_mineral 'Zinczippeite'
loop_
_publ_author_name
'Burns P C'
'Deely K M'
'Hayden L A'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 41 
_journal_year 2003
_journal_page_first 687
_journal_page_last 706
_publ_section_title
;
 The crystal chemistry of the zippeite group
 Sample: Zinc-zippeite
;
_database_code_amcsd 0005852
_chemical_formula_sum 'U4 S2 Zn2 O27 H14'
_cell_length_a 8.6437
_cell_length_b 14.1664
_cell_length_c 17.701
_cell_angle_alpha 90
_cell_angle_beta 104.041
_cell_angle_gamma 90
_cell_volume 2102.730
_exptl_crystal_density_diffrn      5.032
_symmetry_space_group_name_H-M 'C 1 2/m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,z'
  '1/2+x,1/2-y,z'
  '-x,y,-z'
  '1/2-x,1/2+y,-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_U_iso_or_equiv
U(1)   0.66670   0.23200   0.33470   0.01700
U(2)   0.33320   0.26820   0.16500   0.01600
S(1)   0.00000   0.26380   0.00000   0.03200
S(2)   0.00000   0.25080   0.50000   0.00600
Zn(1)   0.69070   0.50000   0.37680   0.03300
Zn(2)   0.30950   0.00000   0.12070   0.03900
O(1)   0.87600   0.18910   0.45260   0.01500
O(2)  -0.11500   0.32060  -0.05410   0.02700
O(3)   0.39500   0.23910   0.29470   0.02000
O(4)  -0.07500   0.19820   0.04880   0.01700
O(5)   0.93200   0.31550   0.55000   0.02400
O(6)   0.60300   0.23920   0.20580   0.01600
O(7)   0.64700   0.10460   0.31860   0.02300
O(8)   0.34000   0.39300   0.18250   0.02700
O(9)   0.32600   0.14170   0.13870   0.01700
O(10)   0.69900   0.35600   0.36880   0.02400
Wat(11)   0.71300   0.50000   0.49190   0.02600
Wat(12)   0.35000   0.00000   0.00890   0.03500
Wat(13)   0.55100   0.00000   0.15460   0.02400
Wat(14)   0.45400   0.50000   0.32170   0.03700
Wat(15)   0.93500   0.50000   0.39030   0.03200
Wat(16)   0.17300   0.00000   0.24120   0.04500
Wat(17)   0.06800   0.00000   0.07620   0.03100