data_global
_amcsd_formula_title 'O18 Ta6 Ti Tl2'
loop_
_publ_author_name
'Desgardin G'
'Robert C'
'Raveau B'
_journal_name_full 'Materials Research Bulletin'
_journal_volume 13 
_journal_year 1978
_journal_page_first 621
_journal_page_last 626
_publ_section_title
;
 Etude de comportement du thallium dans de nouvelles structures a
 tunnels entrecroises: Tl2 Nb6 Ti O18 et Tl2 Ta6 Ti O18
 _cod_database_code 1001847
;
_database_code_amcsd 0014260
_chemical_formula_sum 'Tl2 Ta6 Ti O18'
_cell_length_a 7.524
_cell_length_b 7.524
_cell_length_c 8.259
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 404.907
_exptl_crystal_density_diffrn      7.506
_symmetry_space_group_name_H-M 'P -3 m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-y,-x,z'
  'y,-x+y,-z'
  '-x,-x+y,-z'
  '-x+y,-x,z'
  '-x+y,y,z'
  '-x,-y,-z'
  'y,x,-z'
  '-y,x-y,z'
  'x,x-y,z'
  'x-y,x,-z'
  'x-y,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Tl1   0.30000  -0.30000   0.69700   0.33330
Ta1   0.16800  -0.16800   0.14140   1.00000
Ti1   0.00000   0.00000   0.50000   1.00000
O1   0.44900  -0.44900   0.16300   1.00000
O2   0.85400  -0.85400   0.12500   1.00000
O3   0.12100  -0.12100   0.34900   1.00000