data_global
_chemical_name_mineral 'Formanite-(Y)'
loop_
_publ_author_name
'Wolten G M'
_journal_name_full 'Acta Crystallographica'
_journal_volume 23 
_journal_year 1967
_journal_page_first 939
_journal_page_last 944
_publ_section_title
;
 The structure of the M'-phase of YTaO4, a third fergusonite polymorph
;
_database_code_amcsd 0009316
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Y Ta O4'
_cell_length_a 5.292
_cell_length_b 5.451
_cell_length_c 5.11
_cell_angle_alpha 90
_cell_angle_beta 96.44
_cell_angle_gamma 90
_cell_volume 146.476
_exptl_crystal_density_diffrn      7.569
_symmetry_space_group_name_H-M 'P 1 2/a 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2-x,y,-z'
  '1/2+x,-y,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
Y   0.25000   0.76940   0.00000 ?
Ta   0.25000   0.30560   0.50000 ?
O1   0.49000   0.46200   0.26600   0.00747
O2   0.08100   0.06900   0.25800   0.03952
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Y 0.00028 0.00497 0.00640 0.00000 -0.00135 0.00000
Ta 0.00336 0.00707 0.00888 0.00000 0.00866 0.00000