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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/9/00/41/9004140.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_9004140
loop_
_publ_author_name
'Meagher, E. P.'
'Lager, G. A.'
_publ_section_title
;
 Polyhedral thermal expansion in the TiO2 polymorphs: Refinement
 of the crystal structures of rutile and brookite at high temperatures
 Sample at 625 degrees C
;
_journal_name_full               'The Canadian Mineralogist'
_journal_page_first              77
_journal_page_last               85
_journal_volume                  17
_journal_year                    1979
_chemical_formula_sum            'O2 Ti'
_chemical_name_mineral           Brookite
_space_group_IT_number           61
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   9.211
_cell_length_b                   5.472
_cell_length_c                   5.171
_cell_volume                     260.632
_exptl_crystal_density_diffrn    4.071
_[local]_cod_chemical_formula_sum_orig 'Ti O2'
_cod_database_code               9004140
_amcsd_database_code             AMCSD#0005123
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x,1/2-y,1/2+z
-x,1/2+y,1/2-z
1/2-x,1/2+y,z
1/2+x,1/2-y,-z
1/2+x,y,1/2-z
1/2-x,-y,1/2+z
-x,-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
Ti 0.01719 0.01669 0.01260 -0.00026 0.00000 0.00014
O1 0.01461 0.02169 0.01409 -0.00638 0.00097 -0.00215
O2 0.01676 0.02351 0.00135 0.00587 0.00193 0.00014
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Ti 0.12900 0.09990 0.86280
O1 0.00980 0.14840 0.18310
O2 0.23220 0.11170 0.53660