data_global
_chemical_name_mineral 'Parsonsite'
loop_
_publ_author_name
'Burns P C'
_journal_name_full 'American Mineralogist'
_journal_volume 85 
_journal_year 2000
_journal_page_first 801
_journal_page_last 805
_publ_section_title
;
 A new uranyl phosphate chain in the structure of parsonsite
;
_database_code_amcsd 0002459
_chemical_formula_sum 'U Pb2 P2 O10'
_cell_length_a 6.842
_cell_length_b 10.383
_cell_length_c 6.670
_cell_angle_alpha 101.265
_cell_angle_beta 98.174
_cell_angle_gamma 86.378
_cell_volume 459.684
_exptl_crystal_density_diffrn      6.317
_symmetry_space_group_name_H-M 'P -1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
U   0.61640   0.84060   0.11260 ?
Pb1   0.30060   0.54150   0.26940 ?
Pb2   0.04510   0.77390   0.72040 ?
P1   0.53400   0.81870   0.63020 ?
P2   0.81400   0.54920   0.27800 ?
O1   0.98300   0.63600   0.40900   0.02110
O2   0.33500   0.48400   0.59700   0.02420
O3   0.36400   0.78500   0.07900   0.03400
O4   0.66500   0.72700   0.76200   0.02340
O5   0.70300   0.62500   0.11800   0.02810
O6   0.33600   0.75200   0.53600   0.03520
O7   0.50500   0.06000   0.20300   0.02290
O8   0.85500   0.89900   0.14100   0.03750
O9   0.64700   0.85400   0.46700   0.03090
O10   0.91500   0.42200   0.16800   0.02910
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 0.03300 0.02140 0.01640 0.00330 0.00930 0.00410
Pb1 0.02980 0.04190 0.02000 0.00250 0.00860 0.00710
Pb2 0.03700 0.03140 0.03160 0.00180 0.00910 0.00160
P1 0.02630 0.01590 0.00780 0.00800 0.00380 0.00450
P2 0.02240 0.01920 0.01750 0.00290 0.00730 0.00270