data_NaGe2As
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.04
_cell_length_b   6.04
_cell_length_c   3.05
_cell_angle_alpha   103.88
_cell_angle_beta   103.88
_cell_angle_gamma   122.32
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaGe2As
_chemical_formula_sum   'Na1 Ge2 As1'
_cell_volume   81.32
_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
  Na  Na3  1  0.0  0.0  0.0  1.0
  Ge  Ge1  1  0.46  0.36  0.0  1.0
  Ge  Ge2  1  0.46  0.64  0.0  1.0
  As  As0  1  0.91  0.0  0.0  1.0

data_NaGe2As
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.05
_cell_length_b   5.05
_cell_length_c   6.04
_cell_angle_alpha   114.28
_cell_angle_beta   103.88
_cell_angle_gamma   91.7
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaGe2As
_chemical_formula_sum   'Na1 Ge2 As1'
_cell_volume   81.32
_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
  Na  Na0  1  0.0  0.0  0.0  1.0
  Ge  Ge1  1  0.36  0.36  0.81  1.0
  Ge  Ge2  1  0.64  0.64  0.1  1.0
  As  As3  1  0.0  0.0  0.91  1.0

Na Ge Ge As