data_global
_chemical_name_mineral 'Hapkeite'
loop_
_publ_author_name
'Anand M'
'Taylor L A'
'Nazarov M A'
'Shu J'
'Mao H K'
'Hemley R J'
_journal_name_full 'Proceedings of the National Academy of Sciences'
_journal_volume 101 
_journal_year 2005
_journal_page_first 6847
_journal_page_last 6851
_publ_section_title
;
 Space weathering on airless planetary bodies: Clues from the lunar mineral hapkeite
;
_database_code_amcsd 0019759
_chemical_compound_source 'lunar meteorite Dhofar 280 from Oman'
_chemical_formula_sum 'Fe1.27 Si.62 Ni.05 Cr.01 P.06'
_cell_length_a 2.831
_cell_length_b 2.831
_cell_length_c 2.831
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 22.689
_exptl_crystal_density_diffrn      6.854
_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_occupancy
Fe   0.00000   0.00000   0.00000   1.00000
Si   0.50000   0.50000   0.50000   0.62000
Fe   0.50000   0.50000   0.50000   0.27000
Ni   0.50000   0.50000   0.50000   0.05000
Cr   0.50000   0.50000   0.50000   0.01000
P   0.50000   0.50000   0.50000   0.06000