The material described by ErCo3P2 crystallizes in the orthorhombic Pmmn space group. There are two inequivalent Er sites. In the first Er site, Er(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 Er site, Er(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 Er(1), four equivalent Er(2), one P(1), and two equivalent P(3) atoms. In the third Co site, Co(3) is bonded to two equivalent Er(2), two equivalent P(1), and two equivalent P(4) atoms to form distorted CoEr2P4 tetrahedra that share corners with two equivalent Co(3)Er2P4 tetrahedra, corners with two equivalent Co(5)Er4P4 tetrahedra, corners with six equivalent Co(6)Er3P4 tetrahedra, edges with two equivalent Co(4)Er3P4 tetrahedra, and faces with four equivalent Co(4)Er3P4 tetrahedra. In the fourth Co site, Co(4) is bonded to three equivalent Er(2), one P(1), and three equivalent P(4) atoms to form distorted CoEr3P4 tetrahedra that share  a cornercorner with one Co(4)Er3P4 tetrahedra, corners with two equivalent Co(6)Er3P4 tetrahedra, corners with three equivalent Co(5)Er4P4 tetrahedra,  an edgeedge with one Co(3)Er2P4 tetrahedra, edges with two equivalent Co(4)Er3P4 tetrahedra, edges with two equivalent Co(6)Er3P4 tetrahedra,  a faceface with one Co(6)Er3P4 tetrahedra, faces with two equivalent Co(3)Er2P4 tetrahedra, and faces with two equivalent Co(4)Er3P4 tetrahedra. In the fifth Co site, Co(5) is bonded to one Er(2), three equivalent Er(1), one P(2), and three equivalent P(3) atoms to form distorted CoEr4P4 tetrahedra that share  a cornercorner with one Co(3)Er2P4 tetrahedra,  a cornercorner with one Co(6)Er3P4 tetrahedra, corners with three equivalent Co(4)Er3P4 tetrahedra, corners with seven equivalent Co(5)Er4P4 tetrahedra, edges with two equivalent Co(5)Er4P4 tetrahedra, edges with three equivalent Co(6)Er3P4 tetrahedra, faces with two equivalent Co(6)Er3P4 tetrahedra, and faces with three equivalent Co(5)Er4P4 tetrahedra. In the sixth Co site, Co(6) is bonded to one Er(1), two equivalent Er(2), one P(3), one P(4), and two equivalent P(2) atoms to form distorted CoEr3P4 tetrahedra that share  a cornercorner with one Co(5)Er4P4 tetrahedra, corners with two equivalent Co(4)Er3P4 tetrahedra, corners with two equivalent Co(6)Er3P4 tetrahedra, corners with three equivalent Co(3)Er2P4 tetrahedra, edges with two equivalent Co(4)Er3P4 tetrahedra, edges with two equivalent Co(6)Er3P4 tetrahedra, edges with three equivalent Co(5)Er4P4 tetrahedra,  a faceface with one Co(4)Er3P4 tetrahedra,  a faceface with one Co(6)Er3P4 tetrahedra, and faces with two equivalent Co(5)Er4P4 tetrahedra. There are four inequivalent P sites. In the first P site, P(4) is bonded in a 9-coordinate geometry to two equivalent Er(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 Er(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 Er(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 Er(1), two equivalent Er(2), one Co(2), one Co(6), and three equivalent Co(5) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_ErCo3P2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.667
_cell_length_b   10.495
_cell_length_c   12.144
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   467.383
_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
  Er  Er0  1  0.750  0.250  0.478  1.0
  Er  Er1  1  0.250  0.750  0.522  1.0
  Er  Er2  1  0.250  0.933  0.794  1.0
  Er  Er3  1  0.250  0.567  0.794  1.0
  Er  Er4  1  0.750  0.067  0.206  1.0
  Er  Er5  1  0.750  0.433  0.206  1.0
  Co  Co6  1  0.250  0.250  0.842  1.0
  Co  Co7  1  0.750  0.750  0.158  1.0
  Co  Co8  1  0.250  0.250  0.297  1.0
  Co  Co9  1  0.750  0.750  0.703  1.0
  Co  Co10  1  0.750  0.250  0.014  1.0
  Co  Co11  1  0.250  0.750  0.986  1.0
  Co  Co12  1  0.250  0.417  0.006  1.0
  Co  Co13  1  0.250  0.083  0.006  1.0
  Co  Co14  1  0.750  0.583  0.994  1.0
  Co  Co15  1  0.750  0.917  0.994  1.0
  Co  Co16  1  0.250  0.453  0.569  1.0
  Co  Co17  1  0.250  0.047  0.569  1.0
  Co  Co18  1  0.750  0.547  0.431  1.0
  Co  Co19  1  0.750  0.953  0.431  1.0
  Co  Co20  1  0.250  0.871  0.291  1.0
  Co  Co21  1  0.250  0.629  0.291  1.0
  Co  Co22  1  0.750  0.129  0.709  1.0
  Co  Co23  1  0.750  0.371  0.709  1.0
  P  P24  1  0.250  0.250  0.119  1.0
  P  P25  1  0.750  0.750  0.881  1.0
  P  P26  1  0.250  0.250  0.656  1.0
  P  P27  1  0.750  0.750  0.344  1.0
  P  P28  1  0.250  0.438  0.384  1.0
  P  P29  1  0.250  0.062  0.384  1.0
  P  P30  1  0.750  0.562  0.616  1.0
  P  P31  1  0.750  0.938  0.616  1.0
  P  P32  1  0.250  0.903  0.107  1.0
  P  P33  1  0.250  0.597  0.107  1.0
  P  P34  1  0.750  0.097  0.893  1.0
  P  P35  1  0.750  0.403  0.893  1.0
[/CIF]
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The material described by ErCo3P2 crystallizes in the orthorhombic Pmmn space group. There are two inequivalent Er sites. In the first Er site, Er(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 Er site, Er(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 Er(1), four equivalent Er(2), one P(1), and two equivalent P(3) atoms. In the third Co site, Co(3) is bonded to two equivalent Er(2), two equivalent P(1), and two equivalent P(4) atoms to form distorted CoEr2P4 tetrahedra that share corners with two equivalent Co(3)Er2P4 tetrahedra, corners with two equivalent Co(5)Er4P4 tetrahedra, corners with six equivalent Co(6)Er3P4 tetrahedra, edges with two equivalent Co(4)Er3P4 tetrahedra, and faces with four equivalent Co(4)Er3P4 tetrahedra. In the fourth Co site, Co(4) is bonded to three equivalent Er(2), one P(1), and three equivalent P(4) atoms to form distorted CoEr3P4 tetrahedra that share  a cornercorner with one Co(4)Er3P4 tetrahedra, corners with two equivalent Co(6)Er3P4 tetrahedra, corners with three equivalent Co(5)Er4P4 tetrahedra,  an edgeedge with one Co(3)Er2P4 tetrahedra, edges with two equivalent Co(4)Er3P4 tetrahedra, edges with two equivalent Co(6)Er3P4 tetrahedra,  a faceface with one Co(6)Er3P4 tetrahedra, faces with two equivalent Co(3)Er2P4 tetrahedra, and faces with two equivalent Co(4)Er3P4 tetrahedra. In the fifth Co site, Co(5) is bonded to one Er(2), three equivalent Er(1), one P(2), and three equivalent P(3) atoms to form distorted CoEr4P4 tetrahedra that share  a cornercorner with one Co(3)Er2P4 tetrahedra,  a cornercorner with one Co(6)Er3P4 tetrahedra, corners with three equivalent Co(4)Er3P4 tetrahedra, corners with seven equivalent Co(5)Er4P4 tetrahedra, edges with two equivalent Co(5)Er4P4 tetrahedra, edges with three equivalent Co(6)Er3P4 tetrahedra, faces with two equivalent Co(6)Er3P4 tetrahedra, and faces with three equivalent Co(5)Er4P4 tetrahedra. In the sixth Co site, Co(6) is bonded to one Er(1), two equivalent Er(2), one P(3), one P(4), and two equivalent P(2) atoms to form distorted CoEr3P4 tetrahedra that share  a cornercorner with one Co(5)Er4P4 tetrahedra, corners with two equivalent Co(4)Er3P4 tetrahedra, corners with two equivalent Co(6)Er3P4 tetrahedra, corners with three equivalent Co(3)Er2P4 tetrahedra, edges with two equivalent Co(4)Er3P4 tetrahedra, edges with two equivalent Co(6)Er3P4 tetrahedra, edges with three equivalent Co(5)Er4P4 tetrahedra,  a faceface with one Co(4)Er3P4 tetrahedra,  a faceface with one Co(6)Er3P4 tetrahedra, and faces with two equivalent Co(5)Er4P4 tetrahedra. There are four inequivalent P sites. In the first P site, P(4) is bonded in a 9-coordinate geometry to two equivalent Er(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 Er(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 Er(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 Er(1), two equivalent Er(2), one Co(2), one Co(6), and three equivalent Co(5) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_ErCo3P2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.667
_cell_length_b   10.495
_cell_length_c   12.144
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   467.383
_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
  Er  Er0  1  0.750  0.250  0.478  1.0
  Er  Er1  1  0.250  0.750  0.522  1.0
  Er  Er2  1  0.250  0.933  0.794  1.0
  Er  Er3  1  0.250  0.567  0.794  1.0
  Er  Er4  1  0.750  0.067  0.206  1.0
  Er  Er5  1  0.750  0.433  0.206  1.0
  Co  Co6  1  0.250  0.250  0.842  1.0
  Co  Co7  1  0.750  0.750  0.158  1.0
  Co  Co8  1  0.250  0.250  0.297  1.0
  Co  Co9  1  0.750  0.750  0.703  1.0
  Co  Co10  1  0.750  0.250  0.014  1.0
  Co  Co11  1  0.250  0.750  0.986  1.0
  Co  Co12  1  0.250  0.417  0.006  1.0
  Co  Co13  1  0.250  0.083  0.006  1.0
  Co  Co14  1  0.750  0.583  0.994  1.0
  Co  Co15  1  0.750  0.917  0.994  1.0
  Co  Co16  1  0.250  0.453  0.569  1.0
  Co  Co17  1  0.250  0.047  0.569  1.0
  Co  Co18  1  0.750  0.547  0.431  1.0
  Co  Co19  1  0.750  0.953  0.431  1.0
  Co  Co20  1  0.250  0.871  0.291  1.0
  Co  Co21  1  0.250  0.629  0.291  1.0
  Co  Co22  1  0.750  0.129  0.709  1.0
  Co  Co23  1  0.750  0.371  0.709  1.0
  P  P24  1  0.250  0.250  0.119  1.0
  P  P25  1  0.750  0.750  0.881  1.0
  P  P26  1  0.250  0.250  0.656  1.0
  P  P27  1  0.750  0.750  0.344  1.0
  P  P28  1  0.250  0.438  0.384  1.0
  P  P29  1  0.250  0.062  0.384  1.0
  P  P30  1  0.750  0.562  0.616  1.0
  P  P31  1  0.750  0.938  0.616  1.0
  P  P32  1  0.250  0.903  0.107  1.0
  P  P33  1  0.250  0.597  0.107  1.0
  P  P34  1  0.750  0.097  0.893  1.0
  P  P35  1  0.750  0.403  0.893  1.0
[/CIF]
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