#------------------------------------------------------------------------------
#$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $
#$Revision: 858 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9009253.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_9009253
_space_group_IT_number           148
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_[local]_cod_cif_authors_sg_H-M  'R -3'
loop_
_publ_author_name
'Effenberger H'
_publ_section_title
;
 Kristallstruktur und chemische formel des benstonits, Ba6Ca6Mg(CO3)13
;
_journal_name_full
'Neues Jahrbuch fur Mineralogie, Abhandlungen'
_journal_page_first              326
_journal_page_last               337
_journal_volume                  136
_journal_year                    1979
_chemical_formula_sum            'C13 Ba6 Ca6 Mg O39'
_[local]_cod_chemical_formula_sum_orig 'Ba6 Ca6 Mg O39 C13'
_chemical_name_mineral           Benstonite
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   18.280
_cell_length_b                   18.280
_cell_length_c                   8.652
_cell_volume                     2503.799
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
2/3+x,1/3+y,1/3+z
1/3+x,2/3+y,2/3+z
y,-x+y,-z
2/3+y,1/3-x+y,1/3-z
1/3+y,2/3-x+y,2/3-z
-x+y,-x,z
2/3-x+y,1/3-x,1/3+z
1/3-x+y,2/3-x,2/3+z
-x,-y,-z
2/3-x,1/3-y,1/3-z
1/3-x,2/3-y,2/3-z
-y,x-y,z
2/3-y,1/3+x-y,1/3+z
1/3-y,2/3+x-y,2/3+z
x-y,x,-z
2/3+x-y,1/3+x,1/3-z
1/3+x-y,2/3+x,2/3-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
Ba 0.05330 0.17780 0.30070 1.00000 ?
Ca 0.33190 0.08600 0.02380 1.00000 ?
Mg 0.00000 0.00000 0.00000 1.00000 0.00700
O1 0.48200 0.48560 0.17240 1.00000 0.01900
O2 0.37980 0.35430 0.11800 1.00000 0.01300
O3 0.35250 0.46130 0.11850 1.00000 0.01500
O4 0.23930 0.11240 0.18170 1.00000 0.01000
O5 0.10390 0.06890 0.14140 1.00000 0.02700
O6 0.19930 0.20360 0.11010 1.00000 0.02000
O7 0.07890 0.05490 0.47490 0.50000 0.01800
C1 0.40580 0.43340 0.13980 1.00000 0.00900
C2 0.17970 0.12880 0.13760 1.00000 0.00800
C3 0.00000 0.00000 0.47850 0.50000 0.01700
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
Ba 0.00910 0.01040 0.01480 0.00590 0.00080 0.00060
Ca 0.00500 0.00520 0.00670 0.00300 0.00120 0.00100