#------------------------------------------------------------------------------
#$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $
#$Revision: 858 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9004183.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_9004183
loop_
_publ_author_name
'Hawthorne F C'
_publ_section_title
;
 Refinement of the crystal structure of bloedite: Structural similarities
 in the [M(T_4)2_n] finite-cluster minerals
;
_journal_name_full               'The Canadian Mineralogist'
_journal_page_first              669
_journal_page_last               674
_journal_volume                  23
_journal_year                    1985
_chemical_formula_sum            'H8 Mg Na2 O12 S2'
_[local]_cod_chemical_formula_sum_orig 'Na2 Mg S2 O12 H8'
_chemical_name_mineral           Blodite
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_cell_angle_alpha                90
_cell_angle_beta                 100.84
_cell_angle_gamma                90
_cell_length_a                   11.126
_cell_length_b                   8.242
_cell_length_c                   5.539
_cell_volume                     498.866
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2+x,1/2-y,z
1/2-x,1/2+y,-z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Na 0.36178 0.07050 0.13050
Mg 0.00000 0.00000 0.00000
S 0.13640 0.29075 0.36935
O1 0.26630 0.27120 0.34760
O2 0.08020 0.42140 0.20910
O3 0.07040 0.13720 0.30580
O4 0.13210 0.32830 0.62970
O5 0.16030 0.03780 0.87270
O6 0.08090 0.79080 0.17740
H5A 0.15300 0.11900 0.80200
H5B -0.17500 0.03400 0.21500
H6A 0.46600 0.22600 0.75500
H6B -0.13700 0.20200 -0.27600
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
Na 0.01770 0.01960 0.02210 0.00150 0.00180 -0.00080
Mg 0.01060 0.01000 0.01140 -0.00130 0.00210 -0.00050
S 0.01080 0.01070 0.00960 -0.00090 0.00110 0.00040
O1 0.01140 0.02140 0.02630 0.00150 0.00470 0.00210
O2 0.01730 0.02000 0.02250 0.00410 0.00140 0.01060
O3 0.02430 0.01720 0.01480 -0.01040 0.00230 -0.00400
O4 0.03120 0.01650 0.01160 -0.00350 0.00520 -0.00420
O5 0.01580 0.01420 0.01540 0.00040 0.00610 0.00070
O6 0.01610 0.01490 0.01790 -0.00150 -0.00430 0.00290
H5A 1.00000 0.00000 0.00000 0.00000 0.00000 0.00000
H5B 1.00000 0.00000 0.00000 0.00000 0.00000 0.00000
H6A 1.00000 0.00000 0.00000 0.00000 0.00000 0.00000
H6B 1.00000 0.00000 0.00000 0.00000 0.00000 0.00000