data_global
_amcsd_formula_title '(Na2/3Zr1/3)2P2O7'
loop_
_publ_author_name
'Gali S'
'Byrappa K'
_journal_name_full 'Acta Crystallographica, Section C'
_journal_volume 46 
_journal_year 1990
_journal_page_first 2011
_journal_page_last 2013
_publ_section_title
;
 Structure of (Na2/3Zr1/3)P2O7
;
_database_code_amcsd 0010200
_chemical_formula_sum 'P2 (Na1.333 Zr.667) O7'
_cell_length_a 6.867
_cell_length_b 12.345
_cell_length_c 27.527
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 2333.550
_exptl_crystal_density_diffrn      3.022
_symmetry_space_group_name_H-M 'F d d d'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2+y,1/2+z'
  '1/2+x,y,1/2+z'
  '1/2+x,1/2+y,z'
  '3/4+x,-y,3/4+z'
  '3/4+x,1/2-y,1/4+z'
  '1/4+x,-y,1/4+z'
  '1/4+x,1/2-y,3/4+z'
  '3/4-x,y,3/4-z'
  '3/4-x,1/2+y,1/4-z'
  '1/4-x,y,1/4-z'
  '1/4-x,1/2+y,3/4-z'
  '-x,3/4+y,3/4+z'
  '-x,1/4+y,1/4+z'
  '1/2-x,3/4+y,1/4+z'
  '1/2-x,1/4+y,3/4+z'
  'x,3/4-y,3/4-z'
  'x,1/4-y,1/4-z'
  '1/2+x,3/4-y,1/4-z'
  '1/2+x,1/4-y,3/4-z'
  '3/4+x,3/4+y,-z'
  '3/4+x,1/4+y,1/2-z'
  '1/4+x,3/4+y,1/2-z'
  '1/4+x,1/4+y,-z'
  '3/4-x,3/4-y,z'
  '3/4-x,1/4-y,1/2+z'
  '1/4-x,3/4-y,1/2+z'
  '1/4-x,1/4-y,z'
  '-x,-y,-z'
  '-x,1/2-y,1/2-z'
  '1/2-x,-y,1/2-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
P   0.78420   0.48160   0.05210   1.00000   0.00747
Na   0.27580   0.51710   0.07560   0.66667   0.06003
Zr   0.27580   0.51710   0.07560   0.33333   0.06003
O1   0.93260   0.53600   0.08430   1.00000   0.01570
O2   0.72490   0.54270   0.00640   1.00000   0.01330
O3   0.60070   0.44610   0.08060   1.00000   0.01229
O4   0.87500   0.37500   0.02820   1.00000   0.00697