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#$Date: 2016-02-16 14:49:47 +0200 (Tue, 16 Feb 2016) $
#$Revision: 176465 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/48/9004894.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided the American Mineralogist Crystal Structure Database,
# http://rruff.geo.arizona.edu/AMS/amcsd.php
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_9004894
loop_
_publ_author_name
'Locock, A. J.'
'Burns, P. C.'
'Flynn, M.'
_publ_section_title
;
 Divalent transition metals and magnesium in structures
 that contain the autunite-type sheet
 Sample: MgUAs10
;
_journal_name_full               'The Canadian Mineralogist'
_journal_page_first              1699
_journal_page_last               1718
_journal_paper_doi               10.2113/gscanmin.42.6.1699
_journal_volume                  42
_journal_year                    2004
_chemical_formula_sum            'As2 H20 Mg O22 U2'
_chemical_name_mineral           'Novacekite II'
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_cell_angle_alpha                90
_cell_angle_beta                 90.585
_cell_angle_gamma                90
_cell_length_a                   7.1328
_cell_length_b                   20.085
_cell_length_c                   7.1569
_cell_volume                     1025.260
_exptl_crystal_density_diffrn    3.312
_cod_original_formula_sum        'Mg U2 As2 O22 H20'
_cod_database_code               9004894
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2+x,1/2-y,1/2+z
1/2-x,1/2+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_U_iso_or_equiv
Mg -0.50000 0.50000 0.00000 0.03300
U 0.05920 0.20440 0.02270 0.01500
As -0.43950 0.25110 0.02630 0.01600
O1 -0.25850 0.20000 -0.02140 0.01800
O2 0.05610 0.29220 0.01680 0.02600
O3 -0.48440 0.30080 -0.15840 0.02000
O4 -0.62800 0.20200 0.07800 0.03400
O5 -0.39400 0.30400 0.20650 0.02100
O6 0.06140 0.11610 0.02610 0.01500
Wat1 -0.33200 0.57980 0.07000 0.03500
Wat2 -0.41000 0.50390 -0.27000 0.04100
Wat3 -0.72180 0.56770 -0.07200 0.04000
Wat4 -0.52400 0.08160 0.26700 0.04500
Wat5 -0.41900 0.07390 -0.15700 0.09900