data_H2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.8
_cell_length_b   2.8
_cell_length_c   2.8
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   H2
_chemical_formula_sum   H8
_cell_volume   22.0
_cell_formula_units_Z   4
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  H  H0  1  0.0  0.0  0.0  1.0
  H  H1  1  0.4  0.7  0.0  1.0
  H  H2  1  0.4  0.1  0.0  1.0
  H  H3  1  0.0  0.4  0.7  1.0
  H  H4  1  0.7  0.0  0.4  1.0
  H  H5  1  0.1  0.0  0.4  1.0
  H  H6  1  0.4  0.4  0.4  1.0
  H  H7  1  0.0  0.4  0.1  1.0

data_H2
_symmetry_space_group_name_H-M   R3
_cell_length_a   3.96
_cell_length_b   3.96
_cell_length_c   4.85
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   146
_chemical_formula_structural   H2
_chemical_formula_sum   H24
_cell_volume   65.99
_cell_formula_units_Z   12
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-y, x-y, z'
  3  '-x+y, -x, z'
  4  'x+1/3, y+2/3, z+2/3'
  5  '-y+1/3, x-y+2/3, z+2/3'
  6  '-x+y+1/3, -x+2/3, z+2/3'
  7  'x+2/3, y+1/3, z+1/3'
  8  '-y+2/3, x-y+1/3, z+1/3'
  9  '-x+y+2/3, -x+1/3, z+1/3'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  H  H0  9  0.0  0.3  0.7  1.0
  H  H1  9  0.17  0.73  0.83  1.0
  H  H2  3  0.0  0.0  0.0  1.0
  H  H3  3  0.0  0.0  0.4  1.0

H H H H H H H H
H2 is Indium-like structured and crystallizes in the trigonal R3 space group. The structure is zero-dimensional and consists of three 1333-74-0 atoms and three 9014-00-0 molecules.