#------------------------------------------------------------------------------
#$Date: 2008-03-10 10:25:41 +0200 (Mon, 10 Mar 2008) $
#$Revision: 255 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9000406.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_9000406
loop_
_publ_author_name
'Moore P B'
'Araki T'
_publ_section_title
;
 Pinakiolite, Mg2MnO2[BO3]; warwickite, Mg(Mg0.5Ti0.5)O[BO3]; wightmanite,
 Mg5(O)(OH)5[BO3].nH2O: Crystal chemistry of complex 3 Angstrom wallpaper
 structures
;
_journal_name_full               'American Mineralogist'
_journal_page_first              985
_journal_page_last               1004
_journal_volume                  59
_journal_year                    1974
_chemical_formula_sum            'Mn2.16 Mg3.62 Fe.02 B2 O10'
_chemical_name_mineral           Pinakiolite
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_cell_angle_alpha                90
_cell_angle_beta                 95.83
_cell_angle_gamma                90
_cell_length_a                   21.79
_cell_length_b                   5.977
_cell_length_c                   5.341
_cell_volume                     692.008
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
-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
Mn1 0.50000 0.50000 0.00000 1.00000 0.00925
Mn2 0.50000 0.50000 0.50000 1.00000 0.00887
Mn3 0.25030 0.00000 0.49930 1.00000 0.00722
Mg1 0.50000 0.00000 0.00000 0.83000 0.02470
Mg2 0.50000 0.00000 0.50000 0.77000 0.02609
Mg3 0.25000 0.25000 0.00000 0.84000 0.00760
Mn3 0.25000 0.25000 0.00000 0.16000 0.00760
Mg4 0.38690 0.24970 0.70720 0.99000 0.00811
Fe4 0.38690 0.24970 0.70720 0.01000 0.00811
B1 0.13440 0.00000 0.80550 1.00000 0.00722
B2 0.36920 0.00000 0.19860 1.00000 0.01077
O1 0.39720 0.50000 -0.01620 1.00000 0.00925
O2 0.39590 0.50000 0.43440 1.00000 0.00823
O3 0.19080 0.00000 0.83320 1.00000 0.00937
O4 0.40140 0.00000 -0.01660 1.00000 0.01292
O5 0.40020 0.00000 0.43970 1.00000 0.01191
O6 0.30580 0.00000 0.17130 1.00000 0.01127
O7 0.51380 0.27550 0.25560 1.00000 0.01165
O8 0.29370 0.25020 0.67750 1.00000 0.00963