data_global
_chemical_name_mineral 'Studtite'
loop_
_publ_author_name
'Burns P C'
'Hughes K-A'
_journal_name_full 'American Mineralogist'
_journal_volume 88 
_journal_year 2003
_journal_page_first 1165
_journal_page_last 1168
_publ_section_title
;
 Studtite, [(UO2)(O2)(H2O)2](H2O)2: The first structure of a peroxide mineral
;
_database_code_amcsd 0003153
_chemical_formula_sum 'U O8 H8'
_cell_length_a 14.068
_cell_length_b 6.721
_cell_length_c 8.428
_cell_angle_alpha 90
_cell_angle_beta 123.356
_cell_angle_gamma 90
_cell_volume 665.607
_exptl_crystal_density_diffrn      3.733
_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_U_iso_or_equiv
U1   0.00000   0.00000   0.00000   0.01930
O1   0.00730  -0.24900   0.07400   0.03100
O2   0.06230   0.11400   0.30810   0.02800
O3   0.20260   0.03800   0.17900   0.03900
O4  -0.15650  -0.52400   0.06100   0.03100
H1   0.25500   0.03000   0.31700   0.03000
H2   0.24200  -0.06000   0.15000   0.03000
H3  -0.10200  -0.44000   0.06000   0.03000
H4  -0.13100  -0.66200   0.08000   0.03000
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
U1 0.02210 0.02410 0.01570 -0.00010 0.01300 -0.00050
O1 0.04500 0.02700 0.02800 0.00000 0.02500 -0.00200
O2 0.03200 0.02900 0.02900 -0.00900 0.02100 -0.00800
O3 0.02900 0.06100 0.02400 0.00100 0.01200 -0.00600
O4 0.03000 0.02900 0.03800 -0.00600 0.02000 -0.00600