data_global
_chemical_name_mineral 'Seelite'
loop_
_publ_author_name
'Piret P'
'Piret-Meunier J'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 6 
_journal_year 1994
_journal_page_first 673
_journal_page_last 677
_publ_section_title
;
 Structure de la seelite de Rabejac (France)
;
_database_code_amcsd 0006567
_chemical_compound_source 'Rabejac, France'
_chemical_formula_sum 'U2 As2 Mg O17.6 H14'
_cell_length_a 18.194
_cell_length_b 7.071
_cell_length_c 6.670
_cell_angle_alpha 90
_cell_angle_beta 99.70
_cell_angle_gamma 90
_cell_volume 845.826
_exptl_crystal_density_diffrn      3.714
_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_occupancy
_atom_site_U_iso_or_equiv
U   0.24115   0.00000   0.12810   1.00000   0.01500
As   0.20770   0.50000   0.32410   1.00000   0.02080
Mg   0.00000   0.00000   0.50000   1.00000   0.03400
O1   0.34100   0.00000   0.21000   1.00000   0.03400
O2   0.14200   0.00000   0.05100   1.00000   0.03800
O3   0.22600   0.00000   0.45900   1.00000   0.02400
O4   0.11300   0.50000   0.34000   0.30000   0.07000
O5   0.24000   0.67700   0.17800   1.00000   0.03300
Wat6   0.08600   0.18200   0.51800   0.30000   0.07000
Wat7   0.00300   0.00000   0.20100   0.30000   0.06000
Wat61   0.10400   0.15300   0.55100   0.35000   0.06000
Wat8  -0.03800   0.15800   0.72900   0.35000   0.08000
Wat9   0.04800  -0.20300   0.72000   0.35000   0.11000
Wat10   0.50000   0.00000   0.00000   0.30000   0.10000
Wat11  -0.00100   0.50000   0.17800   0.35000   0.13000
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
U 0.02610 0.00890 0.01040 0.00000 0.00380 0.00000
As 0.03130 0.01720 0.01470 0.00000 0.00590 0.00000
Mg 0.01800 0.04400 0.04000 0.00000 0.00500 0.00000
O1 0.03000 0.04100 0.03200 0.00000 0.00500 0.00000
O2 0.03300 0.04500 0.03000 0.00000 -0.01300 0.00000
O3 0.04300 0.01600 0.01700 0.00000 0.01400 0.00000
O5 0.06900 0.01300 0.02000 0.00500 0.01800 0.00300