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#$Date: 2010-06-10 18:11:07 +0300 (Thu, 10 Jun 2010) $
#$Revision: 1210 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9000344.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_9000344
loop_
_publ_author_name
'Cameron, M.'
'Sueno, S.'
'Prewitt, C. T.'
'Papike, J. J.'
_publ_section_title
;
 High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,
 spodumene, and ureyite
 T = 600 C
 pyroxene
;
_journal_name_full               'American Mineralogist'
_journal_page_first              594
_journal_page_last               618
_journal_volume                  58
_journal_year                    1973
_chemical_formula_sum            'Al Na O6 Si2'
_chemical_name_mineral           Jadeite
_space_group_IT_number           15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 107.57
_cell_angle_gamma                90
_cell_length_a                   9.469
_cell_length_b                   8.614
_cell_length_c                   5.24
_cell_volume                     407.467
_diffrn_ambient_temperature      873.15
_exptl_crystal_density_diffrn    3.295
_[local]_cod_chemical_formula_sum_orig 'Si2 Al Na O6'
_cod_database_code               9000344
_amcsd_database_code             AMCSD#0000352
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2+x,1/2+y,z
x,-y,1/2+z
1/2+x,1/2-y,1/2+z
-x,y,1/2-z
1/2-x,1/2+y,1/2-z
-x,-y,-z
1/2-x,1/2-y,-z
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
Si 0.01028 0.01083 0.00839 -0.00110 0.00210 -0.00096
Al1 0.01189 0.01165 0.00942 0.00000 0.00151 0.00000
Na2 0.04066 0.02252 0.02182 0.00000 -0.00404 0.00000
O1 0.00912 0.01519 0.01264 -0.00039 0.00148 0.00078
O2 0.02110 0.01338 0.01899 -0.00587 0.00487 -0.00100
O3 0.01532 0.02139 0.01168 0.00024 0.00331 -0.00578
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Si 0.29030 0.09280 0.22640
Al1 0.00000 0.90430 0.25000
Na2 0.00000 0.30070 0.25000
O1 0.10970 0.07560 0.12780
O2 0.36130 0.26150 0.29030
O3 0.35270 0.00650 0.00570