data_global
_chemical_name_mineral 'Smirnite'
loop_
_publ_author_name
'Mercurio D'
'El Farissi M'
'Frit B'
'Goursat P'
_journal_name_full 'Materials Chemistry and Physics'
_journal_volume 9 
_journal_year 1983
_journal_page_first 467
_journal_page_last 476
_publ_section_title
;
 Etude structurale et densification d'un nouveau materiau piezoelectrique: Bi2TeO5
;
_database_code_amcsd 0014203
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Bi2 Te O5'
_cell_length_a 11.602
_cell_length_b 16.461
_cell_length_c 5.523
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1054.786
_exptl_crystal_density_diffrn      7.878
_symmetry_space_group_name_H-M 'A b m 2'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2+y,1/2+z'
  'x,1/2-y,z'
  'x,-y,1/2+z'
  '-x,1/2+y,z'
  '-x,+y,1/2+z'
  '-x,-y,z'
  '-x,1/2-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
Bi1   0.39190   0.08550   0.47670   0.00646
Bi2   0.12470   0.25000   0.50630   0.00773
Bi3   0.37740   0.25000   0.02120   0.00735
Te   0.13360   0.08040   0.00000   0.00595
O1   0.26900   0.04200   0.14000   0.01532
O2   0.50000   0.00000   0.30400   0.00633
O3   0.07100   0.14900   0.20900   0.01760
O4   0.29400   0.25000   0.33000   0.01925
O5   0.47100   0.15800   0.16000   0.01532
O6   0.20000   0.16100   0.78000   0.01140