#------------------------------------------------------------------------------
#$Date: 2023-03-26 10:09:57 +0200 (Sun 26 de Mar de 2023) $
#$Revision: 282068 $
#$URL: svn://www.crystallography.net/cod/cif/9/00/03/9000352.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_9000352
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            'Cr Na O6 Si2'
_chemical_name_mineral           Kosmochlor
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 107.25
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.612
_cell_length_b                   8.77
_cell_length_c                   5.279
_cell_volume                     424.989
_database_code_amcsd             0000361
_diffrn_ambient_temperature      873.15
_exptl_crystal_density_diffrn    3.550
_cod_original_formula_sum        'Si2 Cr Na O6'
_cod_database_code               9000352
loop_
_space_group_symop_id
_space_group_symop_operation_xyz
1 x,y,z
2 1/2+x,1/2+y,z
3 x,-y,1/2+z
4 1/2+x,1/2-y,1/2+z
5 -x,y,1/2-z
6 1/2-x,1/2+y,1/2-z
7 -x,-y,-z
8 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 0.00909 0.00994 0.01339 -0.00102 0.00485 -0.00031
Cr1 0.01003 0.00830 0.01420 0.00000 0.00424 0.00000
Na2 0.04004 0.01664 0.02802 0.00000 -0.00209 0.00000
O1 0.00781 0.01504 0.01420 -0.00131 0.00598 0.00148
O2 0.01908 0.00997 0.02678 -0.00657 0.00872 -0.00211
O3 0.01315 0.01742 0.01913 -0.00110 0.00549 -0.00643
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Si 0.29210 0.09120 0.23240
Cr1 0.00000 0.90660 0.25000
Na2 0.00000 0.30100 0.25000
O1 0.11400 0.07820 0.13620
O2 0.36110 0.25730 0.30250
O3 0.35190 0.00940 0.00740
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0000361
