The crystal structure described by Sr2LaCl7 crystallizes in the monoclinic P2_1 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 5-coordinate geometry to one Cl(1), one Cl(11), one Cl(3), one Cl(8), and one Cl(9) atom. In the second Sr site, Sr(2) is bonded in a 7-coordinate geometry to one Cl(10), one Cl(13), one Cl(3), one Cl(4), one Cl(6), one Cl(7), and one Cl(9) atom. In the third Sr site, Sr(3) is bonded in a 7-coordinate geometry to one Cl(10), one Cl(14), one Cl(2), one Cl(4), one Cl(6), one Cl(8), and one Cl(9) atom. In the fourth Sr site, Sr(4) is bonded in a 7-coordinate geometry to one Cl(10), one Cl(12), one Cl(13), one Cl(14), one Cl(2), one Cl(5), and one Cl(7) atom. There are two inequivalent La sites. In the first La site, La(1) is bonded in an octahedral geometry to one Cl(11), one Cl(13), one Cl(3), one Cl(5), one Cl(6), and one Cl(7) atom. In the second La site, La(2) is bonded in a distorted pentagonal pyramidal geometry to one Cl(1), one Cl(12), one Cl(14), one Cl(2), one Cl(4), and one Cl(8) atom. There are fourteen inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a water-like geometry to one Sr(1) and one La(2) atom. In the second Cl site, Cl(2) is bonded in a distorted T-shaped geometry to one Sr(3), one Sr(4), and one La(2) atom. In the third Cl site, Cl(3) is bonded in a distorted T-shaped geometry to one Sr(1), one Sr(2), and one La(1) atom. In the fourth Cl site, Cl(4) is bonded in a trigonal planar geometry to one Sr(2), one Sr(3), and one La(2) atom. In the fifth Cl site, Cl(5) is bonded in a water-like geometry to one Sr(4) and one La(1) atom. In the sixth Cl site, Cl(6) is bonded in a trigonal planar geometry to one Sr(2), one Sr(3), and one La(1) atom. In the seventh Cl site, Cl(7) is bonded in a 3-coordinate geometry to one Sr(2), one Sr(4), and one La(1) atom. In the eighth Cl site, Cl(8) is bonded in a trigonal non-coplanar geometry to one Sr(1), one Sr(3), and one La(2) atom. In the ninth Cl site, Cl(9) is bonded in a trigonal planar geometry to one Sr(1), one Sr(2), and one Sr(3) atom. In the tenth Cl site, Cl(10) is bonded in a 3-coordinate geometry to one Sr(2), one Sr(3), and one Sr(4) atom. In the eleventh Cl site, Cl(11) is bonded in a bent 120 degrees geometry to one Sr(1) and one La(1) atom. In the twelfth Cl site, Cl(12) is bonded in a bent 120 degrees geometry to one Sr(4) and one La(2) atom. In the thirteenth Cl site, Cl(13) is bonded in a distorted trigonal non-coplanar geometry to one Sr(2), one Sr(4), and one La(1) atom. In the fourteenth Cl site, Cl(14) is bonded in a distorted trigonal planar geometry to one Sr(3), one Sr(4), and one La(2) atom. is represented by the CIF card [CIF]
data_Sr2LaCl7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   13.812
_cell_length_b   7.194
_cell_length_c   12.449
_cell_angle_alpha   89.555
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1236.932
_cell_formula_units_Z   4
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  1  0.520  0.801  0.714  1.0
  Sr  Sr1  1  0.139  0.735  0.644  1.0
  Sr  Sr2  1  0.788  0.733  0.147  1.0
  Sr  Sr3  1  0.395  0.734  0.192  1.0
  Sr  Sr4  1  0.895  0.266  0.808  1.0
  Sr  Sr5  1  0.288  0.267  0.853  1.0
  Sr  Sr6  1  0.639  0.265  0.356  1.0
  Sr  Sr7  1  0.020  0.199  0.286  1.0
  La  La8  1  0.847  0.815  0.560  1.0
  La  La9  1  0.069  0.791  0.027  1.0
  La  La10  1  0.569  0.209  0.973  1.0
  La  La11  1  0.347  0.185  0.440  1.0
  Cl  Cl12  1  0.661  0.904  0.879  1.0
  Cl  Cl13  1  0.407  0.964  0.988  1.0
  Cl  Cl14  1  0.522  0.003  0.503  1.0
  Cl  Cl15  1  0.180  0.911  0.854  1.0
  Cl  Cl16  1  0.274  0.845  0.379  1.0
  Cl  Cl17  1  0.758  0.904  0.366  1.0
  Cl  Cl18  1  0.943  0.861  0.760  1.0
  Cl  Cl19  1  0.985  0.804  0.239  1.0
  Cl  Cl20  1  0.334  0.593  0.697  1.0
  Cl  Cl21  1  0.597  0.568  0.184  1.0
  Cl  Cl22  1  0.682  0.616  0.613  1.0
  Cl  Cl23  1  0.715  0.427  0.891  1.0
  Cl  Cl24  1  0.969  0.504  0.574  1.0
  Cl  Cl25  1  0.429  0.488  0.977  1.0
  Cl  Cl26  1  0.929  0.512  0.023  1.0
  Cl  Cl27  1  0.469  0.496  0.426  1.0
  Cl  Cl28  1  0.215  0.573  0.109  1.0
  Cl  Cl29  1  0.182  0.384  0.387  1.0
  Cl  Cl30  1  0.097  0.432  0.816  1.0
  Cl  Cl31  1  0.834  0.407  0.303  1.0
  Cl  Cl32  1  0.485  0.196  0.761  1.0
  Cl  Cl33  1  0.443  0.139  0.240  1.0
  Cl  Cl34  1  0.258  0.096  0.634  1.0
  Cl  Cl35  1  0.774  0.155  0.621  1.0
  Cl  Cl36  1  0.680  0.089  0.146  1.0
  Cl  Cl37  1  0.022  0.997  0.497  1.0
  Cl  Cl38  1  0.907  0.036  0.012  1.0
  Cl  Cl39  1  0.161  0.096  0.121  1.0
[/CIF]
.
The crystal structure described by Sr2LaCl7 crystallizes in the monoclinic P2_1 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 5-coordinate geometry to one Cl(1), one Cl(11), one Cl(3), one Cl(8), and one Cl(9) atom. In the second Sr site, Sr(2) is bonded in a 7-coordinate geometry to one Cl(10), one Cl(13), one Cl(3), one Cl(4), one Cl(6), one Cl(7), and one Cl(9) atom. In the third Sr site, Sr(3) is bonded in a 7-coordinate geometry to one Cl(10), one Cl(14), one Cl(2), one Cl(4), one Cl(6), one Cl(8), and one Cl(9) atom. In the fourth Sr site, Sr(4) is bonded in a 7-coordinate geometry to one Cl(10), one Cl(12), one Cl(13), one Cl(14), one Cl(2), one Cl(5), and one Cl(7) atom. There are two inequivalent La sites. In the first La site, La(1) is bonded in an octahedral geometry to one Cl(11), one Cl(13), one Cl(3), one Cl(5), one Cl(6), and one Cl(7) atom. In the second La site, La(2) is bonded in a distorted pentagonal pyramidal geometry to one Cl(1), one Cl(12), one Cl(14), one Cl(2), one Cl(4), and one Cl(8) atom. There are fourteen inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a water-like geometry to one Sr(1) and one La(2) atom. In the second Cl site, Cl(2) is bonded in a distorted T-shaped geometry to one Sr(3), one Sr(4), and one La(2) atom. In the third Cl site, Cl(3) is bonded in a distorted T-shaped geometry to one Sr(1), one Sr(2), and one La(1) atom. In the fourth Cl site, Cl(4) is bonded in a trigonal planar geometry to one Sr(2), one Sr(3), and one La(2) atom. In the fifth Cl site, Cl(5) is bonded in a water-like geometry to one Sr(4) and one La(1) atom. In the sixth Cl site, Cl(6) is bonded in a trigonal planar geometry to one Sr(2), one Sr(3), and one La(1) atom. In the seventh Cl site, Cl(7) is bonded in a 3-coordinate geometry to one Sr(2), one Sr(4), and one La(1) atom. In the eighth Cl site, Cl(8) is bonded in a trigonal non-coplanar geometry to one Sr(1), one Sr(3), and one La(2) atom. In the ninth Cl site, Cl(9) is bonded in a trigonal planar geometry to one Sr(1), one Sr(2), and one Sr(3) atom. In the tenth Cl site, Cl(10) is bonded in a 3-coordinate geometry to one Sr(2), one Sr(3), and one Sr(4) atom. In the eleventh Cl site, Cl(11) is bonded in a bent 120 degrees geometry to one Sr(1) and one La(1) atom. In the twelfth Cl site, Cl(12) is bonded in a bent 120 degrees geometry to one Sr(4) and one La(2) atom. In the thirteenth Cl site, Cl(13) is bonded in a distorted trigonal non-coplanar geometry to one Sr(2), one Sr(4), and one La(1) atom. In the fourteenth Cl site, Cl(14) is bonded in a distorted trigonal planar geometry to one Sr(3), one Sr(4), and one La(2) atom. is represented by the CIF card [CIF]
data_Sr2LaCl7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   13.812
_cell_length_b   7.194
_cell_length_c   12.449
_cell_angle_alpha   89.555
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1236.932
_cell_formula_units_Z   4
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  1  0.520  0.801  0.714  1.0
  Sr  Sr1  1  0.139  0.735  0.644  1.0
  Sr  Sr2  1  0.788  0.733  0.147  1.0
  Sr  Sr3  1  0.395  0.734  0.192  1.0
  Sr  Sr4  1  0.895  0.266  0.808  1.0
  Sr  Sr5  1  0.288  0.267  0.853  1.0
  Sr  Sr6  1  0.639  0.265  0.356  1.0
  Sr  Sr7  1  0.020  0.199  0.286  1.0
  La  La8  1  0.847  0.815  0.560  1.0
  La  La9  1  0.069  0.791  0.027  1.0
  La  La10  1  0.569  0.209  0.973  1.0
  La  La11  1  0.347  0.185  0.440  1.0
  Cl  Cl12  1  0.661  0.904  0.879  1.0
  Cl  Cl13  1  0.407  0.964  0.988  1.0
  Cl  Cl14  1  0.522  0.003  0.503  1.0
  Cl  Cl15  1  0.180  0.911  0.854  1.0
  Cl  Cl16  1  0.274  0.845  0.379  1.0
  Cl  Cl17  1  0.758  0.904  0.366  1.0
  Cl  Cl18  1  0.943  0.861  0.760  1.0
  Cl  Cl19  1  0.985  0.804  0.239  1.0
  Cl  Cl20  1  0.334  0.593  0.697  1.0
  Cl  Cl21  1  0.597  0.568  0.184  1.0
  Cl  Cl22  1  0.682  0.616  0.613  1.0
  Cl  Cl23  1  0.715  0.427  0.891  1.0
  Cl  Cl24  1  0.969  0.504  0.574  1.0
  Cl  Cl25  1  0.429  0.488  0.977  1.0
  Cl  Cl26  1  0.929  0.512  0.023  1.0
  Cl  Cl27  1  0.469  0.496  0.426  1.0
  Cl  Cl28  1  0.215  0.573  0.109  1.0
  Cl  Cl29  1  0.182  0.384  0.387  1.0
  Cl  Cl30  1  0.097  0.432  0.816  1.0
  Cl  Cl31  1  0.834  0.407  0.303  1.0
  Cl  Cl32  1  0.485  0.196  0.761  1.0
  Cl  Cl33  1  0.443  0.139  0.240  1.0
  Cl  Cl34  1  0.258  0.096  0.634  1.0
  Cl  Cl35  1  0.774  0.155  0.621  1.0
  Cl  Cl36  1  0.680  0.089  0.146  1.0
  Cl  Cl37  1  0.022  0.997  0.497  1.0
  Cl  Cl38  1  0.907  0.036  0.012  1.0
  Cl  Cl39  1  0.161  0.096  0.121  1.0
[/CIF]
.