data_9009222
_chemical_name 'Avicennite'
loop_
_publ_author_name
'Otto H H'
'Baltrusch R'
'Brant H J'
_journal_name_full "Physica C"
_journal_volume 215
_journal_year 1993
_journal_page_first 205
_journal_page_last 208
_publ_section_title
;
 Further evidence for Tl3+ in Tl-based superconductors from improved
 bond strength parameters involving new structural data of cubic Tl2O3
;
_chemical_formula_sum 'Tl2 O3'
_cell_length_a 10.5344
_cell_length_b 10.5344
_cell_length_c 10.5344
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1169.040
_symmetry_space_group_name_H-M 'I a 3'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  '1/2+z,x,1/2-y'
  '+z,1/2+x,-y'
  '1/2+z,-x,y'
  '+z,1/2-x,1/2+y'
  '-z,x,1/2+y'
  '1/2-z,1/2+x,+y'
  '-z,-x,-y'
  '1/2-z,1/2-x,1/2-y'
  '1/2+y,1/2-z,-x'
  '+y,-z,1/2-x'
  '-y,1/2-z,x'
  '1/2-y,-z,1/2+x'
  '1/2-y,z,-x'
  '-y,1/2+z,1/2-x'
  'y,z,x'
  '1/2+y,1/2+z,1/2+x'
  'x,1/2-y,1/2+z'
  '1/2+x,-y,+z'
  '-x,y,1/2+z'
  '1/2-x,1/2+y,+z'
  'x,1/2+y,-z'
  '1/2+x,+y,1/2-z'
  '-x,-y,-z'
  '1/2-x,1/2-y,1/2-z'
  '1/2-z,-x,1/2+y'
  '-z,1/2-x,+y'
  '1/2-z,x,-y'
  '-z,1/2+x,1/2-y'
  'z,-x,1/2-y'
  '1/2+z,1/2-x,-y'
  'z,x,y'
  '1/2+z,1/2+x,1/2+y'
  '1/2-y,1/2+z,x'
  '-y,+z,1/2+x'
  'y,1/2+z,-x'
  '1/2+y,+z,1/2-x'
  '1/2+y,-z,x'
  '+y,1/2-z,1/2+x'
  '-y,-z,-x'
  '1/2-y,1/2-z,1/2-x'
  '-x,1/2+y,1/2-z'
  '1/2-x,+y,-z'
  'x,-y,1/2-z'
  '1/2+x,1/2-y,-z'
  '-x,1/2-y,z'
  '1/2-x,-y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_Uiso_or_equiv
Tl1   0.25000   0.25000   0.25000   0.01270
Tl2   0.96815   0.00000   0.25000   0.00810
O   0.38240   0.39050   0.15420   0.02400