data_9009087
_publ_section_title
;
 Second edition. Interscience Publishers, New York, New York
;
_journal_name_full               'Crystal Structures'
_journal_page_first              239
_journal_page_last               444
_journal_volume                  1
_journal_year                    1963
_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                   9.184
_cell_length_b                   5.447
_cell_length_c                   5.145
_cell_volume                     257.380
_exptl_crystal_density_diffrn    4.123
_[local]_cod_chemical_formula_sum_orig 'Ti O2'
_cod_database_code               9009087
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_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Ti 0.12900 0.09720 -0.13710
O1 0.01010 0.14860 0.18240
O2 0.23040 0.11300 -0.46290
