data_[Sr2H2C1N2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  H  2.2000  0.2500  0.0000
  C  2.5500  0.7000  0.3000
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [4.0720]
_cell_length_b [4.0720]
_cell_length_c [8.3892]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Sr2H2CN2]
_chemical_formula_sum '[Sr2 H2 C1 N2]'
_cell_volume [120.4693]
_cell_formula_units_Z [1]
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
[
  Sr  Sr0  2  0.3333  0.6667  0.2953  1.0
  H  H1  2  0.3333  0.6667  0.5935  1.0
  C  C2  1  0.0000  0.0000  0.0000  1.0
  N  N3  2  0.0000  0.0000  0.1478  1.0
]