The material structure described by YCo3P2 crystallizes in the orthorhombic Pmmn space group. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded in a 16-coordinate geometry to two equivalent Co(2), two equivalent Co(6), six equivalent Co(5), two equivalent P(2), and four equivalent P(3) atoms. In the second Y site, Y(2) is bonded in a 15-coordinate geometry to one Co(3), one Co(5), two equivalent Co(2), two equivalent Co(6), three equivalent Co(4), two equivalent P(1), two equivalent P(3), and two equivalent P(4) atoms. There are six inequivalent Co sites. In the first Co site, Co(1) is bonded in a 5-coordinate geometry to one P(2) and four equivalent P(4) atoms. In the second Co site, Co(2) is bonded in a 9-coordinate geometry to two equivalent Y(1), four equivalent Y(2), one P(1), and two equivalent P(3) atoms. In the third Co site, Co(3) is bonded to two equivalent Y(2), two equivalent P(1), and two equivalent P(4) atoms to form distorted CoY2P4 tetrahedra that share corners with two equivalent Co(3)Y2P4 tetrahedra, corners with two equivalent Co(5)Y4P4 tetrahedra, corners with six equivalent Co(6)Y3P4 tetrahedra, edges with two equivalent Co(4)Y3P4 tetrahedra, and faces with four equivalent Co(4)Y3P4 tetrahedra. In the fourth Co site, Co(4) is bonded to three equivalent Y(2), one P(1), and three equivalent P(4) atoms to form distorted CoY3P4 tetrahedra that share  a cornercorner with one Co(4)Y3P4 tetrahedra, corners with two equivalent Co(6)Y3P4 tetrahedra, corners with three equivalent Co(5)Y4P4 tetrahedra,  an edgeedge with one Co(3)Y2P4 tetrahedra, edges with two equivalent Co(4)Y3P4 tetrahedra, edges with two equivalent Co(6)Y3P4 tetrahedra,  a faceface with one Co(6)Y3P4 tetrahedra, faces with two equivalent Co(3)Y2P4 tetrahedra, and faces with two equivalent Co(4)Y3P4 tetrahedra. In the fifth Co site, Co(5) is bonded to one Y(2), three equivalent Y(1), one P(2), and three equivalent P(3) atoms to form distorted CoY4P4 tetrahedra that share  a cornercorner with one Co(3)Y2P4 tetrahedra,  a cornercorner with one Co(6)Y3P4 tetrahedra, corners with three equivalent Co(4)Y3P4 tetrahedra, corners with seven equivalent Co(5)Y4P4 tetrahedra, edges with two equivalent Co(5)Y4P4 tetrahedra, edges with three equivalent Co(6)Y3P4 tetrahedra, faces with two equivalent Co(6)Y3P4 tetrahedra, and faces with three equivalent Co(5)Y4P4 tetrahedra. In the sixth Co site, Co(6) is bonded to one Y(1), two equivalent Y(2), one P(3), one P(4), and two equivalent P(2) atoms to form distorted CoY3P4 tetrahedra that share  a cornercorner with one Co(5)Y4P4 tetrahedra, corners with two equivalent Co(4)Y3P4 tetrahedra, corners with two equivalent Co(6)Y3P4 tetrahedra, corners with three equivalent Co(3)Y2P4 tetrahedra, edges with two equivalent Co(4)Y3P4 tetrahedra, edges with two equivalent Co(6)Y3P4 tetrahedra, edges with three equivalent Co(5)Y4P4 tetrahedra,  a faceface with one Co(4)Y3P4 tetrahedra,  a faceface with one Co(6)Y3P4 tetrahedra, and faces with two equivalent Co(5)Y4P4 tetrahedra. There are four inequivalent P sites. In the first P site, P(4) is bonded in a 9-coordinate geometry to two equivalent Y(2), one Co(3), one Co(6), two equivalent Co(1), and three equivalent Co(4) atoms. In the second P site, P(1) is bonded in a 9-coordinate geometry to four equivalent Y(2), one Co(2), two equivalent Co(3), and two equivalent Co(4) atoms. In the third P site, P(2) is bonded in a 9-coordinate geometry to two equivalent Y(1), one Co(1), two equivalent Co(5), and four equivalent Co(6) atoms. In the fourth P site, P(3) is bonded in a 9-coordinate geometry to two equivalent Y(1), two equivalent Y(2), one Co(2), one Co(6), and three equivalent Co(5) atoms. is represented by the CIF card [CIF]
data_YCo3P2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.689
_cell_length_b   10.425
_cell_length_c   12.117
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   465.974
_cell_formula_units_Z   6
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
  Y  Y0  1  0.000  0.500  0.521  1.0
  Y  Y1  1  0.500  0.000  0.479  1.0
  Y  Y2  1  0.500  0.817  0.206  1.0
  Y  Y3  1  0.500  0.183  0.206  1.0
  Y  Y4  1  0.000  0.683  0.794  1.0
  Y  Y5  1  0.000  0.317  0.794  1.0
  Co  Co6  1  0.500  0.500  0.155  1.0
  Co  Co7  1  0.000  0.000  0.845  1.0
  Co  Co8  1  0.500  0.500  0.703  1.0
  Co  Co9  1  0.000  0.000  0.297  1.0
  Co  Co10  1  0.000  0.500  0.987  1.0
  Co  Co11  1  0.500  0.000  0.013  1.0
  Co  Co12  1  0.500  0.333  0.995  1.0
  Co  Co13  1  0.500  0.667  0.995  1.0
  Co  Co14  1  0.000  0.167  0.005  1.0
  Co  Co15  1  0.000  0.833  0.005  1.0
  Co  Co16  1  0.500  0.297  0.431  1.0
  Co  Co17  1  0.500  0.703  0.431  1.0
  Co  Co18  1  0.000  0.203  0.569  1.0
  Co  Co19  1  0.000  0.797  0.569  1.0
  Co  Co20  1  0.500  0.880  0.710  1.0
  Co  Co21  1  0.500  0.120  0.710  1.0
  Co  Co22  1  0.000  0.620  0.290  1.0
  Co  Co23  1  0.000  0.380  0.290  1.0
  P  P24  1  0.500  0.500  0.882  1.0
  P  P25  1  0.000  0.000  0.118  1.0
  P  P26  1  0.500  0.500  0.343  1.0
  P  P27  1  0.000  0.000  0.657  1.0
  P  P28  1  0.500  0.310  0.615  1.0
  P  P29  1  0.500  0.690  0.615  1.0
  P  P30  1  0.000  0.190  0.385  1.0
  P  P31  1  0.000  0.810  0.385  1.0
  P  P32  1  0.500  0.847  0.894  1.0
  P  P33  1  0.500  0.153  0.894  1.0
  P  P34  1  0.000  0.653  0.106  1.0
  P  P35  1  0.000  0.347  0.106  1.0
[/CIF]
.
The material structure described by YCo3P2 crystallizes in the orthorhombic Pmmn space group. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded in a 16-coordinate geometry to two equivalent Co(2), two equivalent Co(6), six equivalent Co(5), two equivalent P(2), and four equivalent P(3) atoms. In the second Y site, Y(2) is bonded in a 15-coordinate geometry to one Co(3), one Co(5), two equivalent Co(2), two equivalent Co(6), three equivalent Co(4), two equivalent P(1), two equivalent P(3), and two equivalent P(4) atoms. There are six inequivalent Co sites. In the first Co site, Co(1) is bonded in a 5-coordinate geometry to one P(2) and four equivalent P(4) atoms. In the second Co site, Co(2) is bonded in a 9-coordinate geometry to two equivalent Y(1), four equivalent Y(2), one P(1), and two equivalent P(3) atoms. In the third Co site, Co(3) is bonded to two equivalent Y(2), two equivalent P(1), and two equivalent P(4) atoms to form distorted CoY2P4 tetrahedra that share corners with two equivalent Co(3)Y2P4 tetrahedra, corners with two equivalent Co(5)Y4P4 tetrahedra, corners with six equivalent Co(6)Y3P4 tetrahedra, edges with two equivalent Co(4)Y3P4 tetrahedra, and faces with four equivalent Co(4)Y3P4 tetrahedra. In the fourth Co site, Co(4) is bonded to three equivalent Y(2), one P(1), and three equivalent P(4) atoms to form distorted CoY3P4 tetrahedra that share  a cornercorner with one Co(4)Y3P4 tetrahedra, corners with two equivalent Co(6)Y3P4 tetrahedra, corners with three equivalent Co(5)Y4P4 tetrahedra,  an edgeedge with one Co(3)Y2P4 tetrahedra, edges with two equivalent Co(4)Y3P4 tetrahedra, edges with two equivalent Co(6)Y3P4 tetrahedra,  a faceface with one Co(6)Y3P4 tetrahedra, faces with two equivalent Co(3)Y2P4 tetrahedra, and faces with two equivalent Co(4)Y3P4 tetrahedra. In the fifth Co site, Co(5) is bonded to one Y(2), three equivalent Y(1), one P(2), and three equivalent P(3) atoms to form distorted CoY4P4 tetrahedra that share  a cornercorner with one Co(3)Y2P4 tetrahedra,  a cornercorner with one Co(6)Y3P4 tetrahedra, corners with three equivalent Co(4)Y3P4 tetrahedra, corners with seven equivalent Co(5)Y4P4 tetrahedra, edges with two equivalent Co(5)Y4P4 tetrahedra, edges with three equivalent Co(6)Y3P4 tetrahedra, faces with two equivalent Co(6)Y3P4 tetrahedra, and faces with three equivalent Co(5)Y4P4 tetrahedra. In the sixth Co site, Co(6) is bonded to one Y(1), two equivalent Y(2), one P(3), one P(4), and two equivalent P(2) atoms to form distorted CoY3P4 tetrahedra that share  a cornercorner with one Co(5)Y4P4 tetrahedra, corners with two equivalent Co(4)Y3P4 tetrahedra, corners with two equivalent Co(6)Y3P4 tetrahedra, corners with three equivalent Co(3)Y2P4 tetrahedra, edges with two equivalent Co(4)Y3P4 tetrahedra, edges with two equivalent Co(6)Y3P4 tetrahedra, edges with three equivalent Co(5)Y4P4 tetrahedra,  a faceface with one Co(4)Y3P4 tetrahedra,  a faceface with one Co(6)Y3P4 tetrahedra, and faces with two equivalent Co(5)Y4P4 tetrahedra. There are four inequivalent P sites. In the first P site, P(4) is bonded in a 9-coordinate geometry to two equivalent Y(2), one Co(3), one Co(6), two equivalent Co(1), and three equivalent Co(4) atoms. In the second P site, P(1) is bonded in a 9-coordinate geometry to four equivalent Y(2), one Co(2), two equivalent Co(3), and two equivalent Co(4) atoms. In the third P site, P(2) is bonded in a 9-coordinate geometry to two equivalent Y(1), one Co(1), two equivalent Co(5), and four equivalent Co(6) atoms. In the fourth P site, P(3) is bonded in a 9-coordinate geometry to two equivalent Y(1), two equivalent Y(2), one Co(2), one Co(6), and three equivalent Co(5) atoms. is represented by the CIF card [CIF]
data_YCo3P2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.689
_cell_length_b   10.425
_cell_length_c   12.117
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   465.974
_cell_formula_units_Z   6
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
  Y  Y0  1  0.000  0.500  0.521  1.0
  Y  Y1  1  0.500  0.000  0.479  1.0
  Y  Y2  1  0.500  0.817  0.206  1.0
  Y  Y3  1  0.500  0.183  0.206  1.0
  Y  Y4  1  0.000  0.683  0.794  1.0
  Y  Y5  1  0.000  0.317  0.794  1.0
  Co  Co6  1  0.500  0.500  0.155  1.0
  Co  Co7  1  0.000  0.000  0.845  1.0
  Co  Co8  1  0.500  0.500  0.703  1.0
  Co  Co9  1  0.000  0.000  0.297  1.0
  Co  Co10  1  0.000  0.500  0.987  1.0
  Co  Co11  1  0.500  0.000  0.013  1.0
  Co  Co12  1  0.500  0.333  0.995  1.0
  Co  Co13  1  0.500  0.667  0.995  1.0
  Co  Co14  1  0.000  0.167  0.005  1.0
  Co  Co15  1  0.000  0.833  0.005  1.0
  Co  Co16  1  0.500  0.297  0.431  1.0
  Co  Co17  1  0.500  0.703  0.431  1.0
  Co  Co18  1  0.000  0.203  0.569  1.0
  Co  Co19  1  0.000  0.797  0.569  1.0
  Co  Co20  1  0.500  0.880  0.710  1.0
  Co  Co21  1  0.500  0.120  0.710  1.0
  Co  Co22  1  0.000  0.620  0.290  1.0
  Co  Co23  1  0.000  0.380  0.290  1.0
  P  P24  1  0.500  0.500  0.882  1.0
  P  P25  1  0.000  0.000  0.118  1.0
  P  P26  1  0.500  0.500  0.343  1.0
  P  P27  1  0.000  0.000  0.657  1.0
  P  P28  1  0.500  0.310  0.615  1.0
  P  P29  1  0.500  0.690  0.615  1.0
  P  P30  1  0.000  0.190  0.385  1.0
  P  P31  1  0.000  0.810  0.385  1.0
  P  P32  1  0.500  0.847  0.894  1.0
  P  P33  1  0.500  0.153  0.894  1.0
  P  P34  1  0.000  0.653  0.106  1.0
  P  P35  1  0.000  0.347  0.106  1.0
[/CIF]
.