data_global
_chemical_name_mineral 'Meta-autunite'
loop_
_publ_author_name
'Makarov E S'
'Ivanov V I'
_journal_name_full 'Doklady Akademii Nauk SSSR'
_journal_volume 132 
_journal_year 1960
_journal_page_first 601
_journal_page_last 603
_publ_section_title
;
 The crystal structure of meta-autunite, Ca(UO2)2(PO4)2*6H2O
;
_database_code_amcsd 0012438
_chemical_formula_sum 'Ca.5 U P O9 H6'
_cell_length_a 6.96
_cell_length_b 6.96
_cell_length_c 8.40
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 406.909
_exptl_crystal_density_diffrn      3.584
_symmetry_space_group_name_H-M 'P 4/n m m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2-y,1/2-x,z'
  '1/2+y,1/2+x,-z'
  '1/2+y,-x,-z'
  '1/2-y,x,z'
  'x,1/2-y,z'
  '-x,1/2+y,-z'
  '1/2+x,1/2+y,-z'
  '1/2-x,1/2-y,z'
  'y,x,z'
  '-y,-x,-z'
  '-y,1/2+x,-z'
  'y,1/2-x,z'
  '1/2-x,y,z'
  '1/2+x,-y,-z'
  '-x,-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
Ca   0.25000   0.25000   0.61200   0.50000   0.01520
U   0.25000   0.25000   0.10600   1.00000   0.01520
P   0.75000   0.25000   0.00000   1.00000   0.01520
O*I   0.25000   0.25000   0.34300   1.00000   0.01520
O*I   0.25000   0.25000   0.89300   1.00000   0.01520
OII   0.25000   0.58400   0.10600   1.00000   0.01520
Wat   0.48600   0.48600   0.39200   0.75000   0.01520