data_La2Ge2O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.91
_cell_length_b   7.06
_cell_length_c   7.09
_cell_angle_alpha   64.25
_cell_angle_beta   87.73
_cell_angle_gamma   88.77
_symmetry_Int_Tables_number   1
_chemical_formula_structural   La2Ge2O7
_chemical_formula_sum   'La4 Ge4 O14'
_cell_volume   311.5
_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
  La  La4  1  0.28  0.11  0.09  1.0
  La  La5  1  0.69  0.8  0.04  1.0
  La  La6  1  0.03  0.68  0.95  1.0
  La  La7  1  0.4  0.33  0.35  1.0
  Ge  Ge0  1  0.87  0.96  0.77  1.0
  Ge  Ge1  1  0.83  0.21  0.15  1.0
  Ge  Ge2  1  0.25  0.78  0.19  1.0
  Ge  Ge3  1  0.33  0.89  0.21  1.0
  O  O8  1  0.67  0.53  0.05  1.0
  O  O9  1  0.38  0.12  0.73  1.0
  O  O10  1  0.3  0.03  0.35  1.0
  O  O11  1  0.88  0.77  0.6  1.0
  O  O12  1  0.06  0.27  0.62  1.0
  O  O13  1  0.29  0.35  0.67  1.0
  O  O14  1  0.04  0.32  0.84  1.0
  O  O15  1  0.9  0.05  0.35  1.0
  O  O16  1  0.53  0.98  0.09  1.0
  O  O17  1  0.28  0.76  0.16  1.0
  O  O18  1  0.86  0.11  0.89  1.0
  O  O19  1  0.64  0.98  0.83  1.0
  O  O20  1  0.59  0.47  0.12  1.0
  O  O21  1  0.11  0.25  0.47  1.0

data_La2Ge2O7
_symmetry_space_group_name_H-M   P1
_cell_length_a   6.91
_cell_length_b   7.06
_cell_length_c   7.09
_cell_angle_alpha   64.25
_cell_angle_beta   87.73
_cell_angle_gamma   88.77
_symmetry_Int_Tables_number   1
_chemical_formula_structural   La2Ge2O7
_chemical_formula_sum   'La4 Ge4 O14'
_cell_volume   311.5
_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
  La  La0  1  0.03  0.68  0.95  1.0
  La  La1  1  0.28  0.11  0.09  1.0
  La  La2  1  0.4  0.33  0.35  1.0
  La  La3  1  0.69  0.8  0.04  1.0
  Ge  Ge4  1  0.25  0.78  0.19  1.0
  Ge  Ge5  1  0.33  0.89  0.21  1.0
  Ge  Ge6  1  0.83  0.21  0.15  1.0
  Ge  Ge7  1  0.87  0.96  0.77  1.0
  O  O8  1  0.04  0.32  0.84  1.0
  O  O9  1  0.06  0.27  0.62  1.0
  O  O10  1  0.11  0.25  0.47  1.0
  O  O11  1  0.28  0.76  0.16  1.0
  O  O12  1  0.29  0.35  0.67  1.0
  O  O13  1  0.3  0.03  0.35  1.0
  O  O14  1  0.38  0.12  0.73  1.0
  O  O15  1  0.53  0.98  0.09  1.0
  O  O16  1  0.59  0.47  0.12  1.0
  O  O17  1  0.64  0.98  0.83  1.0
  O  O18  1  0.67  0.53  0.05  1.0
  O  O19  1  0.86  0.11  0.89  1.0
  O  O20  1  0.88  0.77  0.6  1.0
  O  O21  1  0.9  0.05  0.35  1.0

La La La La Ge Ge Ge Ge O O O O O O O O O O O O O O
La2Ge2O7 crystallizes in the triclinic P1 space group. There are four inequivalent La sites. In the first La site, La(1) is bonded in a 2-coordinate geometry to one Ge(4), one O(2), one O(3), one O(6), one O(7), and one O(9) atom. The La(1)-Ge(4) bond length is 1.45 Å. The La(1)-O(2) bond length is 2.58 Å. The La(1)-O(3) bond length is 1.72 Å. The La(1)-O(6) bond length is 2.71 Å. The La(1)-O(7) bond length is 2.42 Å. The La(1)-O(9) bond length is 1.96 Å. In the second La site, La(2) is bonded in a 3-coordinate geometry to one Ge(1), one O(1), one O(12), and one O(9) atom. The La(2)-Ge(1) bond length is 2.10 Å. The La(2)-O(1) bond length is 1.90 Å. The La(2)-O(12) bond length is 1.53 Å. The La(2)-O(9) bond length is 1.79 Å. In the third La site, La(3) is bonded in a 5-coordinate geometry to one Ge(1), one O(1), one O(10), one O(4), and one O(7) atom. The La(3)-Ge(1) bond length is 2.15 Å. The La(3)-O(1) bond length is 2.70 Å. The La(3)-O(10) bond length is 2.52 Å. The La(3)-O(4) bond length is 2.53 Å. The La(3)-O(7) bond length is 2.98 Å. In the fourth La site, La(4) is bonded in a 6-coordinate geometry to one O(10), one O(13), one O(14), one O(2), one O(3), and one O(6) atom. The La(4)-O(10) bond length is 2.88 Å. The La(4)-O(13) bond length is 1.96 Å. The La(4)-O(14) bond length is 2.15 Å. The La(4)-O(2) bond length is 2.48 Å. The La(4)-O(3) bond length is 2.20 Å. The La(4)-O(6) bond length is 2.44 Å. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 6-coordinate geometry to one La(2), one La(3), one O(11), one O(12), one O(4), and one O(5) atom. The Ge(1)-O(11) bond length is 1.57 Å. The Ge(1)-O(12) bond length is 1.63 Å. The Ge(1)-O(4) bond length is 2.11 Å. The Ge(1)-O(5) bond length is 2.36 Å. In the second Ge site, Ge(2) is bonded in a distorted single-bond geometry to one O(1), one O(7), and one O(8) atom. The Ge(2)-O(1) bond length is 2.35 Å. The Ge(2)-O(7) bond length is 2.41 Å. The Ge(2)-O(8) bond length is 1.43 Å. In the third Ge site, Ge(3) is bonded in a single-bond geometry to one Ge(4) and one O(10) atom. The Ge(3)-Ge(4) bond length is 1.01 Å. The Ge(3)-O(10) bond length is 0.37 Å. In the fourth Ge site, Ge(4) is bonded in a 5-coordinate geometry to one La(1), one Ge(3), one O(10), one O(3), and one O(9) atom. The Ge(4)-O(10) bond length is 1.18 Å. The Ge(4)-O(3) bond length is 1.68 Å. The Ge(4)-O(9) bond length is 1.57 Å. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one La(2), one La(3), one Ge(2), and one O(13) atom. The O(1)-O(13) bond length is 0.71 Å. In the second O site, O(2) is bonded in a 3-coordinate geometry to one La(1), one La(4), and one O(6) atom. The O(2)-O(6) bond length is 1.63 Å. In the third O site, O(3) is bonded in a 3-coordinate geometry to one La(1), one La(4), and one Ge(4) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one La(3) and one Ge(1) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Ge(1), one O(14), one O(6), and one O(7) atom. The O(5)-O(14) bond length is 1.17 Å. The O(5)-O(6) bond length is 1.81 Å. The O(5)-O(7) bond length is 1.78 Å. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one La(1), one La(4), one O(2), and one O(5) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one La(1), one La(3), one Ge(2), one O(11), and one O(5) atom. The O(7)-O(11) bond length is 1.89 Å. In the eighth O site, O(8) is bonded in a single-bond geometry to one Ge(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one La(1), one La(2), and one Ge(4) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one La(3), one La(4), one Ge(3), and one Ge(4) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one Ge(1) and one O(7) atom. In the twelfth O site, O(12) is bonded in a distorted L-shaped geometry to one La(2) and one Ge(1) atom. In the thirteenth O site, O(13) is bonded in a 2-coordinate geometry to one La(4) and one O(1) atom. In the fourteenth O site, O(14) is bonded in a bent 120 degrees geometry to one La(4) and one O(5) atom.