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#$Date: 2024-05-23 12:45:01 +0300 (Thu, 23 May 2024) $
#$Revision: 292002 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/49/9014956.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_9014956
loop_
_publ_author_name
'Hejny, C.'
'Miletich, R.'
'Jasser, A.'
'Schouwink, P.'
'Crichton, W.'
'Kahlenberg, V.'
_publ_section_title
;
 Second-order P6c2-P31c transition and structural crystallography of
 the cyclosilicate benitoite, BaTiSi3O9, at high pressure
 Note: P = 5.29 GPa
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1749
_journal_page_last               1763
_journal_paper_doi               10.2138/am.2012.4175
_journal_volume                  97
_journal_year                    2012
_chemical_compound_source        'San Benito, California, USA'
_chemical_formula_sum            'Ba O9 Si3 Ti'
_chemical_name_mineral           Benitoite
_space_group_IT_number           159
_symmetry_space_group_name_Hall  'P 3 -2c'
_symmetry_space_group_name_H-M   'P 3 1 c'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   11.3177
_cell_length_b                   11.3177
_cell_length_c                   9.6293
_cell_formula_units_Z            6
_cell_volume                     1068.173
_database_code_amcsd             0019513
_exptl_crystal_density_diffrn    3.856
_cod_original_formula_sum        'Ba Ti Si3 O9'
_cod_database_code               9014956
loop_
_space_group_symop_operation_xyz
x,y,z
x-y,-y,1/2+z
-y,x-y,z
y,x,1/2+z
-x+y,-x,z
-x,-x+y,1/2+z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Ba1 0.00000 0.00000 0.00000 0.00430
Ba2 0.66667 0.33333 0.03700 0.00940
Ba3 0.33333 0.66667 0.03750 0.00920
Ti 0.33320 0.99930 0.02650 0.00400
Si1 0.71680 0.88030 0.26730 0.00520
Si2 0.17130 0.78850 0.77830 0.00060
Si3 0.49800 0.95010 0.28050 0.00130
O11 0.04280 0.81680 0.78470 0.00300
O12 0.62130 0.10590 0.27360 0.01100
O13 0.55940 0.84730 0.26600 0.00300
O21 0.76010 0.84040 0.12530 0.00700
O22 0.40970 0.15840 0.13700 0.00400
O23 0.39690 0.90990 0.14560 0.00300
O21m 0.81980 0.74780 0.90180 0.00400
O22m 0.25920 0.83460 0.91750 0.01100
O23m 0.50370 0.08750 0.92400 0.00200
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0019513
