data_global
_chemical_name_mineral 'Neighborite'
loop_
_publ_author_name
'Chen J'
'Liu H'
'Martin C D'
'Parise J B'
'Weidner D J'
_journal_name_full 'American Mineralogist'
_journal_volume 90 
_journal_year 2005
_journal_page_first 1534
_journal_page_last 1539
_publ_section_title
;
 Crystal chemistry of NaMgF3 perovskite and high pressure and temperature
 Sample: P = 4 GPa, T = 1000 C, high-T polymorph
;
_database_code_amcsd 0003931
_chemical_formula_sum 'Na Mg F3'
_cell_length_a 3.8760
_cell_length_b 3.8760
_cell_length_c 3.8760
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 58.231
_exptl_crystal_density_diffrn      2.974
_symmetry_space_group_name_H-M 'P m -3 m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'z,-x,y'
  '-y,z,-x'
  'x,-y,z'
  '-z,x,-y'
  'y,-z,x'
  '-x,y,-z'
  'x,-z,-y'
  '-z,y,x'
  'y,-x,-z'
  '-x,z,y'
  'z,-y,-x'
  '-y,x,z'
  'x,z,y'
  '-z,-y,-x'
  'y,x,z'
  '-x,-z,-y'
  'z,y,x'
  '-y,-x,-z'
  'z,x,-y'
  '-y,-z,x'
  'x,y,-z'
  '-z,-x,y'
  'y,z,-x'
  '-x,-y,z'
  '-z,x,y'
  'y,-z,-x'
  '-x,y,z'
  'z,-x,-y'
  '-y,z,x'
  'x,-y,-z'
  '-x,z,-y'
  'z,-y,x'
  '-y,x,-z'
  'x,-z,y'
  '-z,y,-x'
  'y,-x,z'
  '-x,-z,y'
  'z,y,-x'
  '-y,-x,z'
  'x,z,-y'
  '-z,-y,x'
  'y,x,-z'
  '-z,-x,-y'
  'y,z,x'
  '-x,-y,-z'
  'z,x,y'
  '-y,-z,-x'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Na   0.00000   0.00000   0.00000   0.11100
Mg   0.50000   0.50000   0.50000   0.04600
F   0.50000   0.50000   0.00000   0.13500