data_global
_chemical_name_mineral 'Francevillite'
loop_
_publ_author_name
'Mereiter K'
_journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte'
_journal_volume 1986 
_journal_year 1986
_journal_page_first 552
_journal_page_last 560
_publ_section_title
;
 Crystal structure refinement of two francevillites, (Ba,Pb)[(UO2)2V2O8]*5H2O
;
_database_code_amcsd 0014806
_chemical_compound_source 'Mounana, near Franceville, Gabon'
_chemical_formula_sum '(Ba.96 Pb.04) U2 V2 O17 H10'
_cell_length_a 10.419
_cell_length_b 8.510
_cell_length_c 16.7630
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1486.303
_exptl_crystal_density_diffrn      4.469
_symmetry_space_group_name_H-M 'P c a n'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,y,1/2+z'
  'x,-y,1/2-z'
  '1/2+x,1/2-y,z'
  '1/2-x,1/2+y,-z'
  '1/2+x,1/2+y,1/2-z'
  '1/2-x,1/2-y,1/2+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
Ba   0.33230   0.00000   0.25000   0.96000   0.02685
Pb   0.33230   0.00000   0.25000   0.04000   0.02685
U   0.18504   0.02194  -0.00376   1.00000   0.01267
V   0.03121   0.34636   0.04243   1.00000   0.01520
O1   0.17040   0.06040  -0.10840   1.00000   0.02660
O2   0.20310  -0.02120   0.10080   1.00000   0.02153
O3  -0.00560   0.35960   0.13550   1.00000   0.02533
O4  -0.09760   0.43790  -0.02030   1.00000   0.01900
O5  -0.01460   0.15240   0.01270   1.00000   0.01900
O6   0.19970   0.29020   0.03140   1.00000   0.02153
Wat7   0.25510   0.30330   0.22510   1.00000   0.05066
Wat8   0.51990   0.18680   0.32360   1.00000   0.04813
Wat9   0.03720   0.00000   0.25000   1.00000   0.06459
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 0.02761 0.03255 0.02064 0.00000 0.00000 0.00266
Pb 0.02761 0.03255 0.02064 0.00000 0.00000 0.00266
U 0.00975 0.01381 0.01647 0.00114 0.00000 -0.00038
V 0.01229 0.01355 0.01976 0.00114 0.00000 -0.00038