#------------------------------------------------------------------------------
#$Date: 2009-11-16 03:43:51 +0200 (Mon, 16 Nov 2009) $
#$Revision: 853 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9000230.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_9000230
_space_group_IT_number           141
_symmetry_space_group_name_Hall  '-I 4bd 2'
_symmetry_space_group_name_H-M   'I 41/a m d :2'
_[local]_cod_cif_authors_sg_H-M  'I 41/a m d'
loop_
_publ_author_name
'Robinson K'
'Gibbs G V'
'Ribbe P H'
_publ_section_title
;
 The structure of zircon: A comparison with garnet
;
_journal_name_full               'American Mineralogist'
_journal_page_first              782
_journal_page_last               790
_journal_volume                  56
_journal_year                    1971
_chemical_formula_sum            'Zr Si O4'
_chemical_name_mineral           Zircon
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   6.607
_cell_length_b                   6.607
_cell_length_c                   5.982
_cell_volume                     261.129
loop_
_symmetry_equiv_pos_as_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