#------------------------------------------------------------------------------
#$Date: 2009-11-16 03:43:51 +0200 (Mon, 16 Nov 2009) $
#$Revision: 853 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9004934.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_9004934
_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
'Drits V A'
'McCarty D K'
'Sakharov B'
'Milliken K L'
_publ_section_title
;
 New insight into structural and compositional
 variability in some ancient excess-Ca dolomite
 Sample: "Ankerite"
;
_journal_name_full               'The Canadian Mineralogist'
_journal_page_first              1255
_journal_page_last               1290
_journal_volume                  43
_journal_year                    2005
_chemical_formula_sum            'Ca (Mg.67 Fe.33) C2 O6'
_chemical_name_mineral           Dolomite
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   4.8170
_cell_length_b                   4.8170
_cell_length_c                   16.0794
_cell_volume                     323.112
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
CaA 0.00000 0.00000 0.00000 1.00000 0.01127
MgB 0.00000 0.00000 0.50000 0.67000 0.01140
FeB 0.00000 0.00000 0.50000 0.33000 0.01140
C 0.00000 0.00000 0.24300 1.00000 ?
O 0.25020 -0.03290 0.24420 1.00000 0.01191