data_global
_chemical_name_mineral 'Moschelite'
loop_
_publ_author_name
'Huggins M'
'Magill P'
_journal_name_full 'Journal of the American Chemical Society'
_journal_volume 49 
_journal_year 1927
_journal_page_first 2357
_journal_page_last 2367
_publ_section_title
;
 The crystal stuctures of mercuric and mercurous iodides
 _cod_database_code 1011075
;
_database_code_amcsd 0017973
_chemical_formula_sum 'Hg I'
_cell_length_a 4.92
_cell_length_b 4.92
_cell_length_c 11.64
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 281.763
_exptl_crystal_density_diffrn      7.720
_symmetry_space_group_name_H-M 'I -4 m 2'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  'y,x,-z'
  '1/2+y,1/2+x,1/2-z'
  'y,-x,-z'
  '1/2+y,1/2-x,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'
  '-y,-x,-z'
  '1/2-y,1/2-x,1/2-z'
  '-y,x,-z'
  '1/2-y,1/2+x,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
Hg1   0.00000   0.00000   0.11700
I1   0.00000   0.00000   0.35300