The compound described by CaNdGa3O7 crystallizes in the orthorhombic Cmm2 space group. Ca(1) is bonded in a 8-coordinate geometry to one O(1), one O(5), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. Nd(1) is bonded in a 8-coordinate geometry to one O(2), one O(6), two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms. There are three inequivalent Ga sites. In the first Ga site, Ga(1) is bonded to two equivalent O(3) and two equivalent O(4) atoms to form corner-sharing GaO4 tetrahedra. In the second Ga site, Ga(2) is bonded to one O(1), one O(6), and two equivalent O(3) atoms to form distorted corner-sharing GaO4 trigonal pyramids. In the third Ga site, Ga(3) is bonded to one O(2), one O(5), and two equivalent O(4) atoms to form corner-sharing GaO4 tetrahedra. There are six inequivalent O sites. In the first O site, O(5) is bonded to two equivalent Ca(1) and two equivalent Ga(3) atoms to form OCa2Ga2 tetrahedra that share corners with two equivalent O(2)Ca2NdGa tetrahedra, corners with two equivalent O(1)CaNd2Ga tetrahedra, and edges with two equivalent O(2)Ca2NdGa tetrahedra. In the second O site, O(6) is bonded to two equivalent Nd(1) and two equivalent Ga(2) atoms to form ONd2Ga2 tetrahedra that share corners with two equivalent O(2)Ca2NdGa tetrahedra, corners with two equivalent O(1)CaNd2Ga tetrahedra, and edges with two equivalent O(1)CaNd2Ga tetrahedra. In the third O site, O(1) is bonded to one Ca(1), two equivalent Nd(1), and one Ga(2) atom to form OCaNd2Ga tetrahedra that share  a cornercorner with one O(5)Ca2Ga2 tetrahedra,  a cornercorner with one O(6)Nd2Ga2 tetrahedra, corners with four equivalent O(2)Ca2NdGa tetrahedra,  an edgeedge with one O(1)CaNd2Ga tetrahedra, and  an edgeedge with one O(6)Nd2Ga2 tetrahedra. In the fourth O site, O(2) is bonded to two equivalent Ca(1), one Nd(1), and one Ga(3) atom to form distorted OCa2NdGa tetrahedra that share  a cornercorner with one O(5)Ca2Ga2 tetrahedra,  a cornercorner with one O(6)Nd2Ga2 tetrahedra, corners with four equivalent O(1)CaNd2Ga tetrahedra,  an edgeedge with one O(5)Ca2Ga2 tetrahedra, and  an edgeedge with one O(2)Ca2NdGa tetrahedra. In the fifth O site, O(3) is bonded in a 4-coordinate geometry to one Ca(1), one Nd(1), one Ga(1), and one Ga(2) atom. In the sixth O site, O(4) is bonded in a 3-coordinate geometry to one Ca(1), one Nd(1), one Ga(1), and one Ga(3) atom. is represented by the CIF card [CIF]
data_CaNdGa3O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.985
_cell_length_b   7.985
_cell_length_c   5.285
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.555
_symmetry_Int_Tables_number   1
_cell_volume   336.936
_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
  Ca  Ca0  1  0.660  0.660  0.482  1.0
  Ca  Ca1  1  0.340  0.340  0.482  1.0
  Nd  Nd2  1  0.837  0.163  0.510  1.0
  Nd  Nd3  1  0.163  0.837  0.510  1.0
  Ga  Ga4  1  0.500  0.000  0.005  1.0
  Ga  Ga5  1  0.000  0.500  0.005  1.0
  Ga  Ga6  1  0.854  0.854  0.035  1.0
  Ga  Ga7  1  0.643  0.357  0.962  1.0
  Ga  Ga8  1  0.146  0.146  0.035  1.0
  Ga  Ga9  1  0.357  0.643  0.962  1.0
  O  O10  1  0.866  0.866  0.692  1.0
  O  O11  1  0.645  0.355  0.305  1.0
  O  O12  1  0.134  0.134  0.692  1.0
  O  O13  1  0.355  0.645  0.305  1.0
  O  O14  1  0.662  0.914  0.216  1.0
  O  O15  1  0.844  0.404  0.789  1.0
  O  O16  1  0.338  0.086  0.216  1.0
  O  O17  1  0.156  0.596  0.789  1.0
  O  O18  1  0.404  0.844  0.789  1.0
  O  O19  1  0.086  0.338  0.216  1.0
  O  O20  1  0.596  0.156  0.789  1.0
  O  O21  1  0.914  0.662  0.216  1.0
  O  O22  1  0.500  0.500  0.792  1.0
  O  O23  1  0.000  0.000  0.206  1.0
[/CIF]
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The compound described by CaNdGa3O7 crystallizes in the orthorhombic Cmm2 space group. Ca(1) is bonded in a 8-coordinate geometry to one O(1), one O(5), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. Nd(1) is bonded in a 8-coordinate geometry to one O(2), one O(6), two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms. There are three inequivalent Ga sites. In the first Ga site, Ga(1) is bonded to two equivalent O(3) and two equivalent O(4) atoms to form corner-sharing GaO4 tetrahedra. In the second Ga site, Ga(2) is bonded to one O(1), one O(6), and two equivalent O(3) atoms to form distorted corner-sharing GaO4 trigonal pyramids. In the third Ga site, Ga(3) is bonded to one O(2), one O(5), and two equivalent O(4) atoms to form corner-sharing GaO4 tetrahedra. There are six inequivalent O sites. In the first O site, O(5) is bonded to two equivalent Ca(1) and two equivalent Ga(3) atoms to form OCa2Ga2 tetrahedra that share corners with two equivalent O(2)Ca2NdGa tetrahedra, corners with two equivalent O(1)CaNd2Ga tetrahedra, and edges with two equivalent O(2)Ca2NdGa tetrahedra. In the second O site, O(6) is bonded to two equivalent Nd(1) and two equivalent Ga(2) atoms to form ONd2Ga2 tetrahedra that share corners with two equivalent O(2)Ca2NdGa tetrahedra, corners with two equivalent O(1)CaNd2Ga tetrahedra, and edges with two equivalent O(1)CaNd2Ga tetrahedra. In the third O site, O(1) is bonded to one Ca(1), two equivalent Nd(1), and one Ga(2) atom to form OCaNd2Ga tetrahedra that share  a cornercorner with one O(5)Ca2Ga2 tetrahedra,  a cornercorner with one O(6)Nd2Ga2 tetrahedra, corners with four equivalent O(2)Ca2NdGa tetrahedra,  an edgeedge with one O(1)CaNd2Ga tetrahedra, and  an edgeedge with one O(6)Nd2Ga2 tetrahedra. In the fourth O site, O(2) is bonded to two equivalent Ca(1), one Nd(1), and one Ga(3) atom to form distorted OCa2NdGa tetrahedra that share  a cornercorner with one O(5)Ca2Ga2 tetrahedra,  a cornercorner with one O(6)Nd2Ga2 tetrahedra, corners with four equivalent O(1)CaNd2Ga tetrahedra,  an edgeedge with one O(5)Ca2Ga2 tetrahedra, and  an edgeedge with one O(2)Ca2NdGa tetrahedra. In the fifth O site, O(3) is bonded in a 4-coordinate geometry to one Ca(1), one Nd(1), one Ga(1), and one Ga(2) atom. In the sixth O site, O(4) is bonded in a 3-coordinate geometry to one Ca(1), one Nd(1), one Ga(1), and one Ga(3) atom. is represented by the CIF card [CIF]
data_CaNdGa3O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.985
_cell_length_b   7.985
_cell_length_c   5.285
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.555
_symmetry_Int_Tables_number   1
_cell_volume   336.936
_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
  Ca  Ca0  1  0.660  0.660  0.482  1.0
  Ca  Ca1  1  0.340  0.340  0.482  1.0
  Nd  Nd2  1  0.837  0.163  0.510  1.0
  Nd  Nd3  1  0.163  0.837  0.510  1.0
  Ga  Ga4  1  0.500  0.000  0.005  1.0
  Ga  Ga5  1  0.000  0.500  0.005  1.0
  Ga  Ga6  1  0.854  0.854  0.035  1.0
  Ga  Ga7  1  0.643  0.357  0.962  1.0
  Ga  Ga8  1  0.146  0.146  0.035  1.0
  Ga  Ga9  1  0.357  0.643  0.962  1.0
  O  O10  1  0.866  0.866  0.692  1.0
  O  O11  1  0.645  0.355  0.305  1.0
  O  O12  1  0.134  0.134  0.692  1.0
  O  O13  1  0.355  0.645  0.305  1.0
  O  O14  1  0.662  0.914  0.216  1.0
  O  O15  1  0.844  0.404  0.789  1.0
  O  O16  1  0.338  0.086  0.216  1.0
  O  O17  1  0.156  0.596  0.789  1.0
  O  O18  1  0.404  0.844  0.789  1.0
  O  O19  1  0.086  0.338  0.216  1.0
  O  O20  1  0.596  0.156  0.789  1.0
  O  O21  1  0.914  0.662  0.216  1.0
  O  O22  1  0.500  0.500  0.792  1.0
  O  O23  1  0.000  0.000  0.206  1.0
[/CIF]
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