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#$Date: 2013-03-28 18:17:04 +0200 (Thu, 28 Mar 2013) $
#$Revision: 77586 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/36/9013652.cif $
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#
# 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_9013652
loop_
_publ_author_name
'Lopano, C. L.'
'Heaney, P. J.'
'Post, J. E.'
_publ_section_title
;Cs-exchange in birnessite: Reaction mechanisms inferred from time-resolved
 X-ray diffraction and transmission electron microscopy Note: Solution
 concentration 0.05 M Note: Occupancies of the Oint sites are undetermined, O
 is used only as a scatterer
;
_journal_name_full               'American Mineralogist'
_journal_page_first              816
_journal_page_last               826
_journal_volume                  94
_journal_year                    2009
_chemical_formula_sum            'H4.424 Mn O4.212'
_chemical_name_mineral           Birnessite
_space_group_IT_number           2
_symmetry_space_group_name_Hall  '-P 1 (1/2*x+1/2*y,1/2*x-1/2*y,-z)'
_symmetry_space_group_name_H-M   'C -1'
_cell_angle_alpha                89.94
_cell_angle_beta                 101.561
_cell_angle_gamma                89.997
_cell_length_a                   5.1349
_cell_length_b                   2.8465
_cell_length_c                   7.5135
_cell_volume                     107.593
_exptl_crystal_density_diffrn    3.776
_cod_database_code               9013652
_amcsd_database_code             AMCSD#0004948
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2+x,1/2+y,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_occupancy
_atom_site_U_iso_or_equiv
Mn 0.00000 0.00000 0.00000 1.00000 0.02960
O1 0.37100 -0.02050 0.12540 1.00000 0.03550
Oint 0.22210 -0.43170 0.51770 0.39900 0.01020
Oint2 0.39800 0.35150 0.50610 0.70700 0.01290