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#$Date: 2012-02-28 17:44:07 +0200 (Tue, 28 Feb 2012) $
#$Revision: 35913 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/80/9008077.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_9008077
loop_
_publ_author_name
'Morimoto, N.'
'Appleman, D. E.'
'Evans, H. T.'
_publ_section_title
;
 The crystal structures of clinoenstatite and pigeonite
 Locality: Bishopville, South Carolina meteorite, heat-treated
;
_journal_name_full               'Zeitschrift fur Kristallographie'
_journal_page_first              120
_journal_page_last               147
_journal_volume                  114
_journal_year                    1960
_chemical_formula_sum            'Mg O3 Si'
_chemical_name_mineral           Clinoenstatite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 71.67
_cell_angle_gamma                90
_cell_length_a                   9.620
_cell_length_b                   8.825
_cell_length_c                   5.188
_cell_volume                     418.095
_exptl_crystal_density_diffrn    3.190
_[local]_cod_chemical_formula_sum_orig 'Mg Si O3'
_cod_database_code               9008077
_amcsd_database_code             AMCSD#0010267
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x,1/2-y,1/2+z
-x,1/2+y,1/2-z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Mg2 0.24700 0.34700 0.22000 0.00285
Mg1 0.24200 0.98600 0.19300 0.00317
Si1 0.45700 0.65800 0.29400 0.00418
Si2 0.05300 0.66100 0.26400 0.00602
O1A 0.36200 0.15600 0.32000 0.00773
O1B 0.12400 0.15900 0.11200 0.01083
O2A 0.37700 0.49800 0.29800 0.02039
O2B 0.13700 0.51800 0.10300 0.00842
O3A 0.39500 0.77500 0.10100 0.00887
O3B 0.10500 0.81300 0.05100 0.00507