data_global
_chemical_name_mineral 'Zircon'
loop_
_publ_author_name
'Robinson K'
'Gibbs G V'
'Ribbe P H'
_journal_name_full 'American Mineralogist'
_journal_volume 56 
_journal_year 1971
_journal_page_first 782
_journal_page_last 790
_publ_section_title
;
 The structure of zircon: A comparison with garnet
;
_database_code_amcsd 0000237
_chemical_formula_sum 'Zr Si O4'
_cell_length_a 6.607
_cell_length_b 6.607
_cell_length_c 5.982
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 261.129
_exptl_crystal_density_diffrn      4.663
_symmetry_space_group_name_H-M 'I 41/a m d'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  '1/4-y,3/4-x,1/4+z'
  '3/4-y,1/4-x,3/4+z'
  '1/4+y,3/4+x,1/4-z'
  '3/4+y,1/4+x,3/4-z'
  '1/4+y,3/4-x,1/4-z'
  '3/4+y,1/4-x,3/4-z'
  '1/4-y,3/4+x,1/4+z'
  '3/4-y,1/4+x,3/4+z'
  '1/2+x,-y,1/2+z'
  '+x,1/2-y,+z'
  '1/2-x,y,1/2-z'
  '-x,1/2+y,-z'
  '1/2+x,y,1/2-z'
  '+x,1/2+y,-z'
  '1/2-x,-y,1/2+z'
  '-x,1/2-y,+z'
  '1/4+y,1/4+x,3/4+z'
  '3/4+y,3/4+x,1/4+z'
  '1/4-y,1/4-x,3/4-z'
  '3/4-y,3/4-x,1/4-z'
  '1/4-y,1/4+x,3/4-z'
  '3/4-y,3/4+x,1/4-z'
  '1/4+y,1/4-x,3/4+z'
  '3/4+y,3/4-x,1/4+z'
  '-x,y,z'
  '1/2-x,1/2+y,1/2+z'
  'x,-y,-z'
  '1/2+x,1/2-y,1/2-z'
  '-x,-y,-z'
  '1/2-x,1/2-y,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Zr   0.00000   0.75000   0.12500
Si   0.00000   0.75000   0.62500
O   0.00000   0.06610   0.19530
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
Zr 0.00212 0.00212 0.00218 0.00000 0.00000 0.00000
Si 0.00310 0.00310 0.00489 0.00000 0.00000 0.00000
O 0.00818 0.00686 0.00526 0.00000 0.00000 0.00000