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#$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/52/53/1525350.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_1525350
loop_
_publ_author_name
'Stohl, F.V.'
'Smith, D.K.jr.'
_publ_section_title
;
 The crystal chemistry of the uranyl silicate minerals
;
_journal_name_full               'American Mineralogist'
_journal_page_first              610
_journal_page_last               625
_journal_volume                  66
_journal_year                    1981
_chemical_formula_sum            'Ca H10 O16 Si2 U2'
_chemical_name_systematic        'Ca (H3 O)2 (U O2)2 (Si O4)2 (H2 O)2'
_space_group_IT_number           4
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_cell_angle_alpha                90
_cell_angle_beta                 97.55
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   15.858
_cell_length_b                   6.985
_cell_length_c                   6.641
_cell_volume                     729.234
_citation_journal_id_ASTM        AMMIAY
_cod_data_source_file            Stohl_AMMIAY_1981_470.cif
_cod_data_source_block           H10Ca1O16Si2U2
_cod_original_cell_volume        729.2338
_cod_original_formula_sum        'H10 Ca1 O16 Si2 U2'
_cod_database_code               1525350
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,y+1/2,-z
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
O9 O-2 0.479 0.292 0.523 1 0.0
O3 O-2 0.393 0.757 0.123 1 0.0
U1 U+6 0.5057 0.7822 0.1344 1 0.0
U2 U+6 -0.0057 -0.7822 -0.1344 1 0.0
O1 O-2 0.621 0.795 0.138 1 0.0
Ca1 Ca+2 0.269 0.672 0.28 1 0.0
O4 O-2 0.107 -0.757 -0.123 1 0.0
O10 O-2 0.021 -0.292 -0.523 1 0.0
O13 O-2 0.319 0.345 0.359 1 0.0
O11 O-2 0.631 0.272 0.432 1 0.0
O12 O-2 -0.131 -0.272 -0.432 1 0.0
O7 O-2 0.508 0.095 0.181 1 0.0
O16 O-2 0.243 0.507 0.945 1 0.0
Si1 Si+4 0.534 0.281 0.339 1 0.0
O2 O-2 -0.121 -0.795 -0.138 1 0.0
O6 O-2 -0.021 -0.453 -0.187 1 0.0
Si2 Si+4 -0.034 -0.281 -0.339 1 0.0
O14 O-2 0.241 0.01 0.196 1 0.0
O15 O-2 0.186 0.61 0.558 1 0.0
O5 O-2 0.521 0.453 0.187 1 0.0
O8 O-2 -0.008 -0.095 -0.181 1 0.0
