data_Eu4B4O11F2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.38
_cell_length_b   7.38
_cell_length_c   13.94
_cell_angle_alpha   90.89
_cell_angle_beta   90.89
_cell_angle_gamma   37.39
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Eu4B4O11F2
_chemical_formula_sum   'Eu8 B8 O22 F4'
_cell_volume   461.71
_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
  Eu  Eu0  1  0.76  0.08  0.18  1.0
  Eu  Eu1  1  0.12  0.08  0.79  1.0
  Eu  Eu2  1  0.0  0.92  0.76  1.0
  Eu  Eu3  1  0.65  0.92  0.15  1.0
  Eu  Eu4  1  0.81  0.08  0.2  1.0
  Eu  Eu5  1  0.07  0.08  0.77  1.0
  Eu  Eu6  1  0.96  0.92  0.74  1.0
  Eu  Eu7  1  0.69  0.92  0.17  1.0
  B  B8  1  0.65  0.87  0.02  1.0
  B  B9  1  0.23  0.87  0.95  1.0
  B  B10  1  0.11  0.13  0.93  1.0
  B  B11  1  0.54  0.13  0.99  1.0
  B  B12  1  0.21  0.79  0.34  1.0
  B  B13  1  0.44  0.79  0.58  1.0
  B  B14  1  0.55  0.21  0.61  1.0
  B  B15  1  0.33  0.21  0.37  1.0
  O  O16  1  0.67  0.76  0.48  1.0
  O  O17  1  0.2  0.76  0.49  1.0
  O  O18  1  0.09  0.24  0.46  1.0
  O  O19  1  0.56  0.24  0.45  1.0
  O  O20  1  0.33  0.52  0.58  1.0
  O  O21  1  0.55  0.52  0.39  1.0
  O  O22  1  0.44  0.48  0.36  1.0
  O  O23  1  0.21  0.48  0.55  1.0
  O  O24  1  0.97  0.81  0.47  1.0
  O  O25  1  0.68  0.81  0.45  1.0
  O  O26  1  0.79  0.19  0.48  1.0
  O  O27  1  0.08  0.19  0.49  1.0
  O  O28  1  0.94  0.66  0.49  1.0
  O  O29  1  0.82  0.34  0.46  1.0
  O  O30  1  0.49  0.28  0.09  1.0
  O  O31  1  0.39  0.28  0.88  1.0
  O  O32  1  0.28  0.72  0.85  1.0
  O  O33  1  0.37  0.72  0.06  1.0
  O  O34  1  0.54  0.93  0.84  1.0
  O  O35  1  0.33  0.93  0.13  1.0
  O  O36  1  0.22  0.07  0.1  1.0
  O  O37  1  0.43  0.07  0.81  1.0
  F  F38  1  0.13  0.12  0.92  1.0
  F  F39  1  0.75  0.12  0.05  1.0
  F  F40  1  0.64  0.88  0.02  1.0
  F  F41  1  0.01  0.88  0.89  1.0

data_Eu4B4O11F2
_symmetry_space_group_name_H-M   P-1
_cell_length_a   4.73
_cell_length_b   7.38
_cell_length_c   13.94
_cell_angle_alpha   90.89
_cell_angle_beta   90.0
_cell_angle_gamma   108.69
_symmetry_Int_Tables_number   2
_chemical_formula_structural   Eu4B4O11F2
_chemical_formula_sum   'Eu8 B8 O22 F4'
_cell_volume   461.71
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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
  Eu  Eu0  2  0.08  0.31  0.82  1.0
  Eu  Eu1  2  0.08  0.96  0.21  1.0
  Eu  Eu2  2  0.08  0.01  0.23  1.0
  Eu  Eu3  2  0.08  0.27  0.8  1.0
  B  B4  2  0.13  0.36  0.95  1.0
  B  B5  2  0.13  0.78  0.02  1.0
  B  B6  2  0.21  0.65  0.39  1.0
  B  B7  2  0.21  0.88  0.63  1.0
  O  O8  2  0.07  0.41  0.13  1.0
  O  O9  2  0.07  0.62  0.84  1.0
  O  O10  2  0.19  0.1  0.51  1.0
  O  O11  2  0.19  0.4  0.52  1.0
  O  O12  2  0.24  0.45  0.49  1.0
  O  O13  2  0.24  0.92  0.48  1.0
  O  O14  2  0.28  0.79  0.91  1.0
  O  O15  2  0.28  0.89  0.12  1.0
  O  O16  2  0.34  0.29  0.49  1.0
  O  O17  2  0.48  0.04  0.39  1.0
  O  O18  2  0.48  0.81  0.58  1.0
  F  F19  2  0.12  0.36  0.95  1.0
  F  F20  2  0.12  0.98  0.08  1.0

Eu Eu Eu Eu Eu Eu Eu Eu B B B B B B B B O O O O O O O O O O O O O O O O O O O O O O F F F F
Eu Eu Eu Eu Eu Eu Eu Eu B B B B B B B B O O O O O O O O O O O O O O O O O O O O O O F F F F 0 4 o o o 1 5 o o o 2 6 - o o 3 7 o o o 8 40 o o o 8 11 o + - 9 38 o + o 9 10 o + o 9 32 o o o 9 33 o o + 10 38 o o o 11 40 o - + 11 30 o o + 11 31 o o o 12 22 o o o 12 21 o o o 13 17 o o o 13 27 o + o 13 29 o o o 13 16 o o o 13 18 o + o 13 25 o o o 14 23 o o o 14 20 o o o 15 27 o o o 15 16 o - o 15 18 o o o 15 28 - o o 15 25 o - o 15 19 o o o 16 25 o o o 16 28 o o o 17 20 o o o 17 24 - o o 18 27 o o o 18 29 - o o 19 26 o o o 19 22 o o o 20 23 o o o 21 22 o o o 21 29 o o o 23 28 - o o 24 28 o o o 25 28 o o o 26 29 o o o 27 29 - o o 30 39 o o o 31 37 o o o 31 34 o - o 32 41 o o o 33 36 o + o 33 35 o o o 34 37 o + o 35 36 o + o 
Eu4B4O11F2 crystallizes in the triclinic P-1 space group. There are four inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a 3-coordinate geometry to one Eu(3), one O(8), and one F(2) atom. The Eu(1)-Eu(3) bond length is 0.44 Å. The Eu(1)-O(8) bond length is 1.73 Å. The Eu(1)-F(2) bond length is 1.87 Å. In the second Eu site, Eu(2) is bonded in a 4-coordinate geometry to one Eu(4), one O(11), one O(8), and one F(1) atom. The Eu(2)-Eu(4) bond length is 0.43 Å. The Eu(2)-O(11) bond length is 2.29 Å. The Eu(2)-O(8) bond length is 2.07 Å. The Eu(2)-F(1) bond length is 1.88 Å. In the third Eu site, Eu(3) is bonded in a distorted single-bond geometry to one Eu(1), one B(3), and one O(3) atom. The Eu(3)-B(3) bond length is 2.63 Å. The Eu(3)-O(3) bond length is 2.89 Å. In the fourth Eu site, Eu(4) is bonded in a 1-coordinate geometry to one Eu(2) atom. There are four inequivalent B sites. In the first B site, B(1) is bonded in a single-bond geometry to one F(1) atom. The B(1)-F(1) bond length is 0.07 Å. In the second B site, B(2) is bonded in a 4-coordinate geometry to one O(8), one O(9), one F(1), and one F(2) atom. The B(2)-O(8) bond length is 1.71 Å. The B(2)-O(9) bond length is 1.69 Å. The B(2)-F(1) bond length is 1.36 Å. The B(2)-F(2) bond length is 1.72 Å. In the third B site, B(3) is bonded in a 4-coordinate geometry to one Eu(3), one O(2), one O(3), and one O(4) atom. The B(3)-O(2) bond length is 2.20 Å. The B(3)-O(3) bond length is 1.45 Å. The B(3)-O(4) bond length is 1.69 Å. In the fourth B site, B(4) is bonded in a 2-coordinate geometry to one O(1), one O(2), and one O(6) atom. The B(4)-O(1) bond length is 2.10 Å. The B(4)-O(2) bond length is 2.25 Å. The B(4)-O(6) bond length is 2.14 Å. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one B(4), one O(6), and one O(7) atom. The O(1)-O(6) bond length is 0.59 Å. The O(1)-O(7) bond length is 1.43 Å. In the second O site, O(2) is bonded in a 4-coordinate geometry to one B(3), one B(4), one O(3), and one O(5) atom. The O(2)-O(3) bond length is 1.70 Å. The O(2)-O(5) bond length is 1.46 Å. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Eu(3), one B(3), one O(2), and one O(4) atom. The O(3)-O(4) bond length is 1.16 Å. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one B(3), one O(3), and one O(7) atom. The O(4)-O(7) bond length is 1.56 Å. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one O(2) and one O(7) atom. The O(5)-O(7) bond length is 1.36 Å. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one B(4), one O(1), and one O(7) atom. The O(6)-O(7) bond length is 1.34 Å. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one O(1), one O(4), one O(5), and one O(6) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Eu(1), one Eu(2), one B(2), and one F(2) atom. The O(8)-F(2) bond length is 1.39 Å. In the ninth O site, O(9) is bonded in a single-bond geometry to one B(2) and one O(11) atom. The O(9)-O(11) bond length is 1.61 Å. In the tenth O site, O(10) is bonded in a single-bond geometry to one O(11) atom. The O(10)-O(11) bond length is 0.78 Å. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Eu(2), one O(10), and one O(9) atom. There are two inequivalent F sites. In the first F site, F(1) is bonded in a single-bond geometry to one Eu(2), one B(1), and one B(2) atom. In the second F site, F(2) is bonded in a 3-coordinate geometry to one Eu(1), one B(2), and one O(8) atom.