data_global
_chemical_name_mineral 'Guilleminite'
loop_
_publ_author_name
'Cooper M A'
'Hawthorne F C'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 33 
_journal_year 1995
_journal_page_first 1103
_journal_page_last 1109
_publ_section_title
;
 The crystal structure of guilleminite, a hydrated Ba-U-Se sheet structure
;
_database_code_amcsd 0005466
_chemical_formula_sum 'Ba U3 Se2 O17 H6'
_cell_length_a 7.084
_cell_length_b 7.293
_cell_length_c 16.881
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 872.133
_exptl_crystal_density_diffrn      4.902
_symmetry_space_group_name_H-M 'P 21 n m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,-y,1/2+z'
  'x,y,-z'
  '1/2+x,-y,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Ba   0.00000   0.07650   0.00000 ?
U1   0.82080   0.39120   0.50000 ?
U2   0.32220   0.39420   0.39170 ?
Se   0.83020   0.37130   0.29590 ?
O1   0.84000   0.14600   0.50000   0.01710
O2   0.50400   0.32500   0.50000   0.01130
O3   0.14000   0.40300   0.50000   0.00630
O4   0.29800   0.36300   0.00000   0.02890
O5   0.35700   0.63600   0.39700   0.01610
O6   0.30300   0.14700   0.38500   0.02250
O7   0.99400   0.43300   0.36500   0.02610
O8   0.29200   0.42800   0.25000   0.01690
O9   0.65500   0.36400   0.36200   0.02360
Wat1   0.61700   0.11900   0.00000   0.02130
Wat2   0.15400   0.09900   0.15800   0.05890
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
Ba 0.00830 0.01730 0.03760 -0.00050 0.00000 0.00000
U1 0.00230 0.01490 0.01510 0.00040 0.00000 0.00000
U2 0.00240 0.01610 0.01170 -0.00020 -0.00090 0.00070
Se 0.00730 0.02550 0.01320 0.00070 0.00140 0.00170