data_global
_chemical_name_mineral 'Tapiolite-(Fe)'
loop_
_publ_author_name
'Peters E'
'Muller-Buschbaum H'
_journal_name_full 'Zeitschrift fur Naturforschung'
_journal_volume B50 
_journal_year 1995
_journal_page_first 712
_journal_page_last 716
_publ_section_title
;
 Hochtemperatursynthese und Kristallchemie der Oxotantalate
 Cr2+0.761Ta2.095O6 und FeTa2O6
;
_database_code_amcsd 0018647
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Ta2 Fe O6'
_cell_length_a 4.7595
_cell_length_b 4.7595
_cell_length_c 9.201
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 208.429
_exptl_crystal_density_diffrn      8.186
_symmetry_space_group_name_H-M 'P 42/m n m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-y,-x,z'
  'y,x,-z'
  '1/2+y,1/2-x,1/2-z'
  '1/2-y,1/2+x,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  'x,y,-z'
  '-x,-y,z'
  'y,x,z'
  '-y,-x,-z'
  '1/2-y,1/2+x,1/2-z'
  '1/2+y,1/2-x,1/2+z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Ta   0.00000   0.00000   0.33080   0.00800
Fe   0.00000   0.00000   0.00000   0.00800
O1   0.29380   0.29380   0.32290   0.02300
O2   0.31250   0.31250   0.00000   0.02200