The material described by Sm2Mn3Cu9P7 crystallizes in the monoclinic Pm space group. There are two inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 18-coordinate geometry to one Cu(1), one Cu(2), one Cu(3), one Cu(4), one Cu(5), one Cu(6), two equivalent Cu(7), two equivalent Cu(8), two equivalent Cu(9), two equivalent P(4), two equivalent P(5), and two equivalent P(6) atoms. In the second Sm site, Sm(2) is bonded in a 15-coordinate geometry to one Cu(7), one Cu(8), one Cu(9), two equivalent Cu(1), two equivalent Cu(2), two equivalent Cu(3), two equivalent P(1), two equivalent P(2), and two equivalent P(3) atoms. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 5-coordinate geometry to one Cu(7), one P(5), two equivalent P(1), and two equivalent P(7) atoms. In the second Mn site, Mn(2) is bonded in a 5-coordinate geometry to one Cu(8), one P(6), two equivalent P(2), and two equivalent P(7) atoms. In the third Mn site, Mn(3) is bonded in a 5-coordinate geometry to one P(4), two equivalent P(3), and two equivalent P(7) atoms. There are nine inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one Sm(1), two equivalent Sm(2), one P(1), one P(3), and two equivalent P(5) atoms to form distorted CuSm3P4 tetrahedra that share corners with three equivalent Cu(3)Sm3Cu2P4 tetrahedra, edges with two equivalent Cu(1)Sm3P4 tetrahedra, and  a faceface with one Cu(3)Sm3Cu2P4 tetrahedra. In the second Cu site, Cu(2) is bonded in a 4-coordinate geometry to one Sm(1), two equivalent Sm(2), two equivalent Cu(7), one P(1), one P(2), and two equivalent P(6) atoms. In the third Cu site, Cu(3) is bonded to one Sm(1), two equivalent Sm(2), two equivalent Cu(8), one P(2), one P(3), and two equivalent P(4) atoms to form distorted CuSm3Cu2P4 tetrahedra that share corners with three equivalent Cu(1)Sm3P4 tetrahedra,  a faceface with one Cu(1)Sm3P4 tetrahedra, and faces with two equivalent Cu(3)Sm3Cu2P4 tetrahedra. In the fourth Cu site, Cu(4) is bonded in a 4-coordinate geometry to one Sm(1), two equivalent Cu(7), one P(1), one P(7), and two equivalent P(4) atoms. In the fifth Cu site, Cu(5) is bonded in a 4-coordinate geometry to one Sm(1), two equivalent Cu(8), one P(2), one P(7), and two equivalent P(5) atoms. In the sixth Cu site, Cu(6) is bonded in a 4-coordinate geometry to one Sm(1), one P(3), one P(7), and two equivalent P(6) atoms. In the seventh Cu site, Cu(7) is bonded in a 12-coordinate geometry to one Sm(2), two equivalent Sm(1), one Mn(1), two equivalent Cu(2), two equivalent Cu(4), one P(4), one P(6), and two equivalent P(1) atoms. In the eighth Cu site, Cu(8) is bonded in a 12-coordinate geometry to one Sm(2), two equivalent Sm(1), one Mn(2), two equivalent Cu(3), two equivalent Cu(5), one P(4), one P(5), and two equivalent P(2) atoms. In the ninth Cu site, Cu(9) is bonded in a 4-coordinate geometry to one Sm(2), two equivalent Sm(1), one P(5), one P(6), and two equivalent P(3) atoms. There are seven inequivalent P sites. In the first P site, P(1) is bonded in a 9-coordinate geometry to two equivalent Sm(2), two equivalent Mn(1), one Cu(1), one Cu(2), one Cu(4), and two equivalent Cu(7) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to two equivalent Sm(2), two equivalent Mn(2), one Cu(2), one Cu(3), one Cu(5), and two equivalent Cu(8) atoms. In the third P site, P(3) is bonded in a 9-coordinate geometry to two equivalent Sm(2), two equivalent Mn(3), one Cu(1), one Cu(3), one Cu(6), and two equivalent Cu(9) atoms. In the fourth P site, P(4) is bonded in a 9-coordinate geometry to two equivalent Sm(1), one Mn(3), one Cu(7), one Cu(8), two equivalent Cu(3), and two equivalent Cu(4) atoms. In the fifth P site, P(5) is bonded in a 9-coordinate geometry to two equivalent Sm(1), one Mn(1), one Cu(8), one Cu(9), two equivalent Cu(1), and two equivalent Cu(5) atoms. In the sixth P site, P(6) is bonded in a 9-coordinate geometry to two equivalent Sm(1), one Mn(2), one Cu(7), one Cu(9), two equivalent Cu(2), and two equivalent Cu(6) atoms. In the seventh P site, P(7) is bonded in a 9-coordinate geometry to two equivalent Mn(1), two equivalent Mn(2), two equivalent Mn(3), one Cu(4), one Cu(5), and one Cu(6) atom. is represented by the CIF card [CIF]
data_Sm2Mn3Cu9P7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.752
_cell_length_b   9.314
_cell_length_c   9.377
_cell_angle_alpha   60.868
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   286.248
_cell_formula_units_Z   1
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
  Sm  Sm0  1  0.000  0.665  0.666  1.0
  Sm  Sm1  1  0.500  0.336  0.329  1.0
  Mn  Mn2  1  0.500  0.786  0.129  1.0
  Mn  Mn3  1  0.500  0.122  0.086  1.0
  Mn  Mn4  1  0.500  0.087  0.792  1.0
  Cu  Cu5  1  0.000  0.571  0.380  1.0
  Cu  Cu6  1  0.000  0.382  0.048  1.0
  Cu  Cu7  1  0.000  0.049  0.568  1.0
  Cu  Cu8  1  0.000  0.841  0.883  1.0
  Cu  Cu9  1  0.000  0.879  0.282  1.0
  Cu  Cu10  1  0.000  0.275  0.842  1.0
  Cu  Cu11  1  0.500  0.615  0.958  1.0
  Cu  Cu12  1  0.500  0.959  0.426  1.0
  Cu  Cu13  1  0.500  0.429  0.613  1.0
  P  P14  1  0.000  0.600  0.124  1.0
  P  P15  1  0.000  0.127  0.274  1.0
  P  P16  1  0.000  0.287  0.588  1.0
  P  P17  1  0.500  0.881  0.708  1.0
  P  P18  1  0.500  0.711  0.404  1.0
  P  P19  1  0.500  0.402  0.887  1.0
  P  P20  1  0.000  0.997  0.010  1.0
[/CIF]
.
The material described by Sm2Mn3Cu9P7 crystallizes in the monoclinic Pm space group. There are two inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 18-coordinate geometry to one Cu(1), one Cu(2), one Cu(3), one Cu(4), one Cu(5), one Cu(6), two equivalent Cu(7), two equivalent Cu(8), two equivalent Cu(9), two equivalent P(4), two equivalent P(5), and two equivalent P(6) atoms. In the second Sm site, Sm(2) is bonded in a 15-coordinate geometry to one Cu(7), one Cu(8), one Cu(9), two equivalent Cu(1), two equivalent Cu(2), two equivalent Cu(3), two equivalent P(1), two equivalent P(2), and two equivalent P(3) atoms. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 5-coordinate geometry to one Cu(7), one P(5), two equivalent P(1), and two equivalent P(7) atoms. In the second Mn site, Mn(2) is bonded in a 5-coordinate geometry to one Cu(8), one P(6), two equivalent P(2), and two equivalent P(7) atoms. In the third Mn site, Mn(3) is bonded in a 5-coordinate geometry to one P(4), two equivalent P(3), and two equivalent P(7) atoms. There are nine inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one Sm(1), two equivalent Sm(2), one P(1), one P(3), and two equivalent P(5) atoms to form distorted CuSm3P4 tetrahedra that share corners with three equivalent Cu(3)Sm3Cu2P4 tetrahedra, edges with two equivalent Cu(1)Sm3P4 tetrahedra, and  a faceface with one Cu(3)Sm3Cu2P4 tetrahedra. In the second Cu site, Cu(2) is bonded in a 4-coordinate geometry to one Sm(1), two equivalent Sm(2), two equivalent Cu(7), one P(1), one P(2), and two equivalent P(6) atoms. In the third Cu site, Cu(3) is bonded to one Sm(1), two equivalent Sm(2), two equivalent Cu(8), one P(2), one P(3), and two equivalent P(4) atoms to form distorted CuSm3Cu2P4 tetrahedra that share corners with three equivalent Cu(1)Sm3P4 tetrahedra,  a faceface with one Cu(1)Sm3P4 tetrahedra, and faces with two equivalent Cu(3)Sm3Cu2P4 tetrahedra. In the fourth Cu site, Cu(4) is bonded in a 4-coordinate geometry to one Sm(1), two equivalent Cu(7), one P(1), one P(7), and two equivalent P(4) atoms. In the fifth Cu site, Cu(5) is bonded in a 4-coordinate geometry to one Sm(1), two equivalent Cu(8), one P(2), one P(7), and two equivalent P(5) atoms. In the sixth Cu site, Cu(6) is bonded in a 4-coordinate geometry to one Sm(1), one P(3), one P(7), and two equivalent P(6) atoms. In the seventh Cu site, Cu(7) is bonded in a 12-coordinate geometry to one Sm(2), two equivalent Sm(1), one Mn(1), two equivalent Cu(2), two equivalent Cu(4), one P(4), one P(6), and two equivalent P(1) atoms. In the eighth Cu site, Cu(8) is bonded in a 12-coordinate geometry to one Sm(2), two equivalent Sm(1), one Mn(2), two equivalent Cu(3), two equivalent Cu(5), one P(4), one P(5), and two equivalent P(2) atoms. In the ninth Cu site, Cu(9) is bonded in a 4-coordinate geometry to one Sm(2), two equivalent Sm(1), one P(5), one P(6), and two equivalent P(3) atoms. There are seven inequivalent P sites. In the first P site, P(1) is bonded in a 9-coordinate geometry to two equivalent Sm(2), two equivalent Mn(1), one Cu(1), one Cu(2), one Cu(4), and two equivalent Cu(7) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to two equivalent Sm(2), two equivalent Mn(2), one Cu(2), one Cu(3), one Cu(5), and two equivalent Cu(8) atoms. In the third P site, P(3) is bonded in a 9-coordinate geometry to two equivalent Sm(2), two equivalent Mn(3), one Cu(1), one Cu(3), one Cu(6), and two equivalent Cu(9) atoms. In the fourth P site, P(4) is bonded in a 9-coordinate geometry to two equivalent Sm(1), one Mn(3), one Cu(7), one Cu(8), two equivalent Cu(3), and two equivalent Cu(4) atoms. In the fifth P site, P(5) is bonded in a 9-coordinate geometry to two equivalent Sm(1), one Mn(1), one Cu(8), one Cu(9), two equivalent Cu(1), and two equivalent Cu(5) atoms. In the sixth P site, P(6) is bonded in a 9-coordinate geometry to two equivalent Sm(1), one Mn(2), one Cu(7), one Cu(9), two equivalent Cu(2), and two equivalent Cu(6) atoms. In the seventh P site, P(7) is bonded in a 9-coordinate geometry to two equivalent Mn(1), two equivalent Mn(2), two equivalent Mn(3), one Cu(4), one Cu(5), and one Cu(6) atom. is represented by the CIF card [CIF]
data_Sm2Mn3Cu9P7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.752
_cell_length_b   9.314
_cell_length_c   9.377
_cell_angle_alpha   60.868
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   286.248
_cell_formula_units_Z   1
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
  Sm  Sm0  1  0.000  0.665  0.666  1.0
  Sm  Sm1  1  0.500  0.336  0.329  1.0
  Mn  Mn2  1  0.500  0.786  0.129  1.0
  Mn  Mn3  1  0.500  0.122  0.086  1.0
  Mn  Mn4  1  0.500  0.087  0.792  1.0
  Cu  Cu5  1  0.000  0.571  0.380  1.0
  Cu  Cu6  1  0.000  0.382  0.048  1.0
  Cu  Cu7  1  0.000  0.049  0.568  1.0
  Cu  Cu8  1  0.000  0.841  0.883  1.0
  Cu  Cu9  1  0.000  0.879  0.282  1.0
  Cu  Cu10  1  0.000  0.275  0.842  1.0
  Cu  Cu11  1  0.500  0.615  0.958  1.0
  Cu  Cu12  1  0.500  0.959  0.426  1.0
  Cu  Cu13  1  0.500  0.429  0.613  1.0
  P  P14  1  0.000  0.600  0.124  1.0
  P  P15  1  0.000  0.127  0.274  1.0
  P  P16  1  0.000  0.287  0.588  1.0
  P  P17  1  0.500  0.881  0.708  1.0
  P  P18  1  0.500  0.711  0.404  1.0
  P  P19  1  0.500  0.402  0.887  1.0
  P  P20  1  0.000  0.997  0.010  1.0
[/CIF]
.