data_global
_chemical_name_mineral 'Metauranocircite II'
loop_
_publ_author_name
'Khosrawan-Sazedj F'
_journal_name_full 'Tschermaks Mineralogische und Petrographische Mitteilungen'
_journal_volume 29 
_journal_year 1982
_journal_page_first 193
_journal_page_last 204
_publ_section_title
;
 The crystal structure of meta-uranocircite II, Ba(UO2)2(PO4)2*6H2O
;
_database_code_amcsd 0015684
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Ba.92 U2 P2 O18 H12'
_cell_length_a 9.789
_cell_length_b 9.882
_cell_length_c 16.868
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 89.95
_cell_volume 1631.724
_exptl_crystal_density_diffrn      3.926
_symmetry_space_group_name_H-M 'P 1 1 21/a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,y,1/2-z'
  '1/2-x,-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   0.87402   0.82940   0.94228   0.92000   0.03483
U1   0.73137   0.50710   0.79811   1.00000   0.01456
U2   0.72978   0.00705   0.69617   1.00000   0.01469
P1   0.47570   0.76220   0.75760   1.00000   0.01773
P2   0.47990   0.25790   0.75850   1.00000   0.01773
O1   0.74060   0.51740   0.90500   1.00000   0.02533
O2   0.71410   0.50960   0.69510   1.00000   0.02280
O3   0.70710   0.01140   0.59340   1.00000   0.03546
O4   0.75020   0.99190   0.80190   1.00000   0.02153
O5   0.40410   0.85830   0.81680   1.00000   0.02280
O6   0.56400   0.84200   0.70290   1.00000   0.03800
O7   0.55740   0.66300   0.80260   1.00000   0.02153
O8   0.36650   0.70140   0.70660   1.00000   0.03800
O9   0.54960   0.15910   0.70160   1.00000   0.04053
O10   0.40250   0.36210   0.70740   1.00000   0.02913
O11   0.37630   0.18230   0.81150   1.00000   0.03293
O12   0.58340   0.33480   0.81090   1.00000   0.01013
Wat1   0.91970   0.11850   0.94150   1.00000   0.03800
Wat2   0.59050   0.89720   0.94620   1.00000   0.04559
Wat3   0.06580   0.60890   0.95260   1.00000   0.07346
Wat4   0.73610   0.67520   0.05130   1.00000   0.05573
Wat5   0.41320   0.57840   0.95460   1.00000   0.04686
Wat6   0.65080   0.21000   0.96370   1.00000   0.05699
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 0.04509 0.03445 0.02469 -0.00114 -0.00126 -0.00279
U1 0.01482 0.01444 0.01456 0.00215 0.00177 0.00000
U2 0.01330 0.01545 0.01519 0.00038 -0.00152 0.00051