#------------------------------------------------------------------------------
#$Date: 2013-05-05 17:21:46 +0300 (Sun, 05 May 2013) $
#$Revision: 85285 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/99/9009935.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_9009935
loop_
_publ_author_name
'Lippmann, F.'
_publ_section_title
;
 Die kristallstruktur des norsethit, BaMg(CO3)2,
 im vergleich zum dolomit, CaMg(CO3)2
;
_journal_name_full               Naturwissenschaften
_journal_page_first              514
_journal_page_last               514
_journal_volume                  54
_journal_year                    1967
_chemical_formula_sum            'C2 Ba Mg O6'
_chemical_name_mineral           Norsethite
_space_group_IT_number           155
_symmetry_space_group_name_Hall  'R 3 2"'
_symmetry_space_group_name_H-M   'R 3 2 :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   5.017
_cell_length_b                   5.017
_cell_length_c                   16.77
_cell_volume                     365.554
_exptl_crystal_density_diffrn    3.838
_[local]_cod_cif_authors_sg_H-M  'R 3 2'
_[local]_cod_chemical_formula_sum_orig 'Ba Mg C2 O6'
_cod_database_code               9009935
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
-x,-x+y,-z
2/3-x,1/3-x+y,1/3-z
1/3-x,2/3-x+y,2/3-z
y,x,-z
2/3+y,1/3+x,1/3-z
1/3+y,2/3+x,2/3-z
x-y,-y,-z
2/3+x-y,1/3-y,1/3-z
1/3+x-y,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
Ba 0.00000 0.00000 0.00000
Mg 0.00000 0.00000 0.50000
C 0.00000 0.00000 0.24200
O 0.19900 -0.08900 0.24200