data_global
_chemical_name_mineral 'Chernikovite'
loop_
_publ_author_name
'Morosin B'
_journal_name_full 'Acta Crystallographica, Section B'
_journal_volume 34 
_journal_year 1978
_journal_page_first 3732
_journal_page_last 3734
_publ_section_title
;
 Hydrogen uranyl phosphate tetrahydrate, a hydrogen ion solid electrolyte
;
_database_code_amcsd 0019269
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'U P O10 H8'
_cell_length_a 6.995
_cell_length_b 6.995
_cell_length_c 17.491
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 855.835
_exptl_crystal_density_diffrn      3.392
_symmetry_space_group_name_H-M 'P 4/n c c'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2-y,1/2-x,1/2+z'
  '1/2+y,1/2+x,1/2-z'
  '1/2+y,-x,-z'
  '1/2-y,x,z'
  'x,1/2-y,1/2+z'
  '-x,1/2+y,1/2-z'
  '1/2+x,1/2+y,-z'
  '1/2-x,1/2-y,z'
  'y,x,1/2+z'
  '-y,-x,1/2-z'
  '-y,1/2+x,-z'
  'y,1/2-x,z'
  '1/2-x,y,1/2+z'
  '1/2+x,-y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
U   0.25000   0.25000   0.04935
P   0.75000   0.25000   0.00000
O1   0.25000   0.25000   0.15140
O2   0.25000   0.25000  -0.05070
O3   0.57800   0.28600   0.05090
Wat4   0.83700   0.02000   0.18910