data_global
_chemical_name_mineral 'Threadgoldite'
loop_
_publ_author_name
'Khosrawan-Sazedj F'
_journal_name_full 'Tschermaks Mineralogische und Petrographische Mitteilungen'
_journal_volume 30 
_journal_year 1982
_journal_page_first 111
_journal_page_last 115
_publ_section_title
;
 On the space group of threadgoldite
;
_database_code_amcsd 0015686
_chemical_formula_sum 'Al U2 P2 O21 H17'
_cell_length_a 20.168
_cell_length_b 9.847
_cell_length_c 19.7190
_cell_angle_alpha 90
_cell_angle_beta 110.71
_cell_angle_gamma 90
_cell_volume 3663.033
_exptl_crystal_density_diffrn      3.330
_symmetry_space_group_name_H-M 'C 1 2/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,1/2-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_U_iso_or_equiv
Al  -0.00320   0.14640   0.01220   0.00203
U1   0.20510   0.00250   0.23780   0.00203
U2   0.29270  -0.00140   0.01440   0.00203
P1   0.26420   0.26290  -0.11990   0.00203
P2   0.24980   0.25510   0.62470   0.00203
O1   0.29900   0.00400   0.29000   0.01431
O2   0.10600   0.01000   0.19800   0.01431
O3   0.20300   0.01400  -0.00900   0.01431
O4   0.38200   0.01800   0.04000   0.01431
O5   0.19000   0.16500   0.15300   0.01431
O6   0.21100   0.14300  -0.17200   0.01431
O7   0.28900   0.13700   0.10600   0.01431
O8   0.30500   0.18700  -0.05000   0.01431
O9   0.20300   0.17400   0.31600   0.01431
O10   0.20300  -0.16200   0.15500   0.01431
O11   0.28500   0.81900   0.08400   0.01431
O12   0.30800   0.85000  -0.06500   0.01431
O-H  -0.04600   0.01700  -0.05500   0.01431
Wat1  -0.06600  -0.19100   0.03300   0.01431
Wat2   0.42900   0.35800   0.56100   0.01431
Wat3   0.05600   0.25400   0.09800   0.01431
Wat4   0.55400   0.79200   0.53100   0.01431
Wat5   0.47400  -0.01900  -0.12200   0.01431
Wat6   0.42200  -0.03200   0.22400   0.01431
Wat7   0.05900   0.16600  -0.17800   0.01431
Wat8   0.06400   0.24500   0.31600   0.01431