data_global
_chemical_name_mineral 'Gallium'
loop_
_publ_author_name
'Bosio L'
'Curien H'
'Dupont M'
'Rimsky A'
_journal_name_full 'Acta Crystallographica, Section B'
_journal_volume 29 
_journal_year 1973
_journal_page_first 367
_journal_page_last 368
_publ_section_title
;
 Structure cristalline de Ga-delta
 Loclity: synthetic
 Sample: at T = 191 K
 Note: structure known as the delta phase
;
_database_code_amcsd 0009475
_chemical_formula_sum 'Ga7'
_cell_length_a 9.087
_cell_length_b 9.087
_cell_length_c 17.02
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 1217.114
_exptl_crystal_density_diffrn      7.990
_symmetry_space_group_name_H-M 'R -3 m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '2/3+x,1/3+y,1/3+z'
  '1/3+x,2/3+y,2/3+z'
  'x,x-y,z'
  '2/3+x,1/3+x-y,1/3+z'
  '1/3+x,2/3+x-y,2/3+z'
  'y,x,-z'
  '2/3+y,1/3+x,1/3-z'
  '1/3+y,2/3+x,2/3-z'
  '-x+y,y,z'
  '2/3-x+y,1/3+y,1/3+z'
  '1/3-x+y,2/3+y,2/3+z'
  '-x,-x+y,-z'
  '2/3-x,1/3-x+y,1/3-z'
  '1/3-x,2/3-x+y,2/3-z'
  '-y,-x,z'
  '2/3-y,1/3-x,1/3+z'
  '1/3-y,2/3-x,2/3+z'
  'x-y,-y,-z'
  '2/3+x-y,1/3-y,1/3-z'
  '1/3+x-y,2/3-y,2/3-z'
  'y,-x+y,-z'
  '2/3+y,1/3-x+y,1/3-z'
  '1/3+y,2/3-x+y,2/3-z'
  '-x+y,-x,z'
  '2/3-x+y,1/3-x,1/3+z'
  '1/3-x+y,2/3-x,2/3+z'
  '-x,-y,-z'
  '2/3-x,1/3-y,1/3-z'
  '1/3-x,2/3-y,2/3-z'
  '-y,x-y,z'
  '2/3-y,1/3+x-y,1/3+z'
  '1/3-y,2/3+x-y,2/3+z'
  'x-y,x,-z'
  '2/3+x-y,1/3+x,1/3-z'
  '1/3+x-y,2/3+x,2/3-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Ga1   0.00000   0.00000   0.00000   0.01267
Ga2   0.50000   0.00000   0.00000   0.02406
Ga3   0.17350   0.34700   0.73040   0.01393
Ga4   0.10100   0.20200   0.17710   0.02153
Ga5   0.10100   0.20100   0.57700   0.01520