data_Er2Co7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.35
_cell_length_b   12.35
_cell_length_c   12.35
_cell_angle_alpha   23.07
_cell_angle_beta   23.07
_cell_angle_gamma   23.07
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Er2Co7
_chemical_formula_sum   'Er4 Co14'
_cell_volume   253.87
_cell_formula_units_Z   2
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
  Er  Er0  1  0.0  0.0  0.17  1.0
  Er  Er1  1  0.0  0.0  0.36  1.0
  Er  Er2  1  0.0  0.0  0.88  1.0
  Er  Er3  1  0.0  0.0  0.69  1.0
  Co  Co4  1  0.0  0.0  0.01  1.0
  Co  Co5  1  0.0  0.0  0.04  1.0
  Co  Co6  1  0.23  0.71  0.96  1.0
  Co  Co7  1  0.0  0.42  0.09  1.0
  Co  Co8  1  0.0  0.58  0.96  1.0
  Co  Co9  1  0.77  0.71  0.96  1.0
  Co  Co10  1  0.23  0.29  0.09  1.0
  Co  Co11  1  0.77  0.71  0.01  1.0
  Co  Co12  1  0.0  0.0  0.99  1.0
  Co  Co13  1  0.0  0.0  0.0  1.0
  Co  Co14  1  0.77  0.29  0.09  1.0
  Co  Co15  1  0.23  0.71  0.01  1.0
  Co  Co16  1  0.0  0.0  0.06  1.0
  Co  Co17  1  0.0  0.57  0.01  1.0

data_Er2Co7
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.94
_cell_length_b   4.94
_cell_length_c   12.35
_cell_angle_alpha   78.47
_cell_angle_beta   78.47
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Er2Co7
_chemical_formula_sum   'Er4 Co14'
_cell_volume   253.87
_cell_formula_units_Z   2
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
  Er  Er0  1  0.0  0.12  0.88  1.0
  Er  Er1  1  0.0  0.31  0.69  1.0
  Er  Er2  1  0.0  0.64  0.36  1.0
  Er  Er3  1  0.0  0.83  0.17  1.0
  Co  Co4  1  0.0  0.0  0.0  1.0
  Co  Co5  1  0.0  0.01  0.99  1.0
  Co  Co6  1  0.0  0.94  0.06  1.0
  Co  Co7  1  0.0  0.96  0.04  1.0
  Co  Co8  1  0.0  0.99  0.01  1.0
  Co  Co9  1  0.29  0.99  0.49  1.0
  Co  Co10  1  0.29  0.99  0.96  1.0
  Co  Co11  1  0.29  0.04  0.44  1.0
  Co  Co12  1  0.29  0.04  0.9  1.0
  Co  Co13  1  0.42  0.04  0.54  1.0
  Co  Co14  1  0.43  0.99  0.58  1.0
  Co  Co15  1  0.58  0.91  0.51  1.0
  Co  Co16  1  0.71  0.91  0.15  1.0
  Co  Co17  1  0.71  0.91  0.61  1.0

Er Er Er Er Co Co Co Co Co Co Co Co Co Co Co Co Co Co