data_9004675
_chemical_name 'Ca[(UO2)4O3(OH)4](H2O)2'
loop_
_publ_author_name
'Glatz R E'
'Li Y'
'Hughes K-A'
'Cahill C L'
'Burns P C'
_journal_name_full "The Canadian Mineralogist"
_journal_volume 40
_journal_year 2002
_journal_page_first 217
_journal_page_last 224
_publ_section_title
;
 Synthesis and structure of a new Ca uranyl oxide hydrate,
 Ca[(UO2)4O3(OH)4](H2O)2, and its relationship to becquerelite
;
_chemical_formula_sum 'U4 Ca O17 H8'
_cell_length_a 8.0556
_cell_length_b 8.4212
_cell_length_c 10.958
_cell_angle_alpha 78.878
_cell_angle_beta 87.922
_cell_angle_gamma 72.277
_cell_volume 694.587
_symmetry_space_group_name_H-M 'P -1'
loop_
_symmetry_equiv_pos_as_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_Uiso_or_equiv
U(1)   0.44695   0.40453   0.85968   0.01250
U(2)   0.46623  -0.05465   0.84821   0.01180
U(3)   0.16021   0.30513   0.57354   0.01370
U(4)   0.17971  -0.19134   0.57226   0.01280
Ca(1)  -0.07290   0.06180   0.81560   0.02600
O(1)   0.08300   0.58400   0.55310   0.01900
O(2)   0.42000   0.15700   0.95510   0.01700
O(3)   0.03200   0.28900   0.71680   0.01900
O(4)   0.68900  -0.06100   0.80390   0.01800
O(5)   0.07800   0.09600   0.53600   0.02900
O(6)   0.24300  -0.04800   0.88340   0.02100
O(7)   0.29200  -0.19700   0.42510   0.02000
O(8)   0.68000   0.30100   0.84120   0.01900
O(9)   0.06100  -0.17700   0.72010   0.02300
O(10)   0.22200   0.50500   0.88250   0.02400
O(11)   0.30900   0.30400   0.44400   0.02600
O-H(1)   0.53500   0.63320   0.90900   0.01400
O-H(2)   0.40500   0.23090   0.71050   0.01400
O-H(3)   0.41600   0.57440   0.66740   0.01800
O-H(4)   0.39500  -0.07800   0.64970   0.02500
Wat(1)  -0.01900  -0.18600   0.99580   0.02700
Wat(2)   0.85400  -0.42700   0.82800   0.03100