The crystal structure described by Dy5Co19P12 crystallizes in the hexagonal P-62m space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 15-coordinate geometry to three equivalent Co(2), six equivalent Co(3), and six equivalent P(2) atoms. In the second Dy site, Dy(2) is bonded in a 16-coordinate geometry to two equivalent Co(3), two equivalent Co(4), two equivalent Co(5), four equivalent Co(2), two equivalent P(1), and four equivalent P(3) atoms. There are five inequivalent Co sites. In the first Co site, Co(1) is bonded in a 5-coordinate geometry to one P(1) and four equivalent P(2) atoms. In the second Co site, Co(2) is bonded to one Dy(1), two equivalent Dy(2), one P(1), one P(3), and two equivalent P(2) atoms to form distorted CoDy3P4 tetrahedra that share corners with two equivalent Co(4)Dy2P4 tetrahedra, corners with two equivalent Co(3)Dy3P4 tetrahedra, corners with five equivalent Co(2)Dy3P4 tetrahedra, edges with two equivalent Co(2)Dy3P4 tetrahedra, edges with four equivalent Co(3)Dy3P4 tetrahedra,  a faceface with one Co(2)Dy3P4 tetrahedra, faces with two equivalent Co(4)Dy2P4 tetrahedra, and faces with two equivalent Co(3)Dy3P4 tetrahedra. In the third Co site, Co(3) is bonded to one Dy(2), two equivalent Dy(1), two equivalent P(1), and two equivalent P(2) atoms to form distorted CoDy3P4 tetrahedra that share corners with two equivalent Co(4)Dy2P4 tetrahedra, corners with two equivalent Co(2)Dy3P4 tetrahedra, corners with six equivalent Co(3)Dy3P4 tetrahedra,  an edgeedge with one Co(4)Dy2P4 tetrahedra, edges with two equivalent Co(3)Dy3P4 tetrahedra, edges with four equivalent Co(2)Dy3P4 tetrahedra, faces with two equivalent Co(2)Dy3P4 tetrahedra, and faces with three equivalent Co(3)Dy3P4 tetrahedra. In the fourth Co site, Co(4) is bonded to two equivalent Dy(2), two equivalent P(2), and two equivalent P(3) atoms to form distorted CoDy2P4 tetrahedra that share corners with four equivalent Co(4)Dy2P4 tetrahedra, corners with four equivalent Co(2)Dy3P4 tetrahedra, corners with four equivalent Co(3)Dy3P4 tetrahedra, edges with two equivalent Co(3)Dy3P4 tetrahedra, and faces with four equivalent Co(2)Dy3P4 tetrahedra. In the fifth Co site, Co(5) is bonded in a distorted trigonal planar geometry to six equivalent Dy(2) and three equivalent P(3) atoms. There are three inequivalent P sites. In the first P site, P(3) is bonded in a 9-coordinate geometry to four equivalent Dy(2), one Co(5), two equivalent Co(2), and two equivalent Co(4) atoms. In the second P site, P(1) is bonded in a 9-coordinate geometry to two equivalent Dy(2), one Co(1), two equivalent Co(2), and four equivalent Co(3) atoms. In the third P site, P(2) is bonded in a 9-coordinate geometry to two equivalent Dy(1), one Co(4), two equivalent Co(1), two equivalent Co(2), and two equivalent Co(3) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Dy5Co19P12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.966
_cell_length_b   11.966
_cell_length_c   3.670
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   455.059
_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
  Dy  Dy0  1  0.667  0.333  0.000  1.0
  Dy  Dy1  1  0.333  0.667  0.000  1.0
  Dy  Dy2  1  0.187  0.187  0.500  1.0
  Dy  Dy3  1  0.813  0.000  0.500  1.0
  Dy  Dy4  1  0.000  0.813  0.500  1.0
  Co  Co5  1  0.552  0.552  0.000  1.0
  Co  Co6  1  0.448  0.000  0.000  1.0
  Co  Co7  1  0.000  0.448  0.000  1.0
  Co  Co8  1  0.823  0.200  0.000  1.0
  Co  Co9  1  0.800  0.622  0.000  1.0
  Co  Co10  1  0.378  0.177  0.000  1.0
  Co  Co11  1  0.200  0.823  0.000  1.0
  Co  Co12  1  0.622  0.800  0.000  1.0
  Co  Co13  1  0.177  0.378  0.000  1.0
  Co  Co14  1  0.642  0.126  0.500  1.0
  Co  Co15  1  0.874  0.517  0.500  1.0
  Co  Co16  1  0.483  0.358  0.500  1.0
  Co  Co17  1  0.126  0.642  0.500  1.0
  Co  Co18  1  0.517  0.874  0.500  1.0
  Co  Co19  1  0.358  0.483  0.500  1.0
  Co  Co20  1  0.714  0.714  0.500  1.0
  Co  Co21  1  0.286  0.000  0.500  1.0
  Co  Co22  1  0.000  0.286  0.500  1.0
  Co  Co23  1  0.000  0.000  0.000  1.0
  P  P24  1  0.367  0.367  0.000  1.0
  P  P25  1  0.633  0.000  0.000  1.0
  P  P26  1  0.000  0.633  0.000  1.0
  P  P27  1  0.835  0.315  0.500  1.0
  P  P28  1  0.685  0.520  0.500  1.0
  P  P29  1  0.480  0.165  0.500  1.0
  P  P30  1  0.315  0.835  0.500  1.0
  P  P31  1  0.520  0.685  0.500  1.0
  P  P32  1  0.165  0.480  0.500  1.0
  P  P33  1  0.819  0.819  0.000  1.0
  P  P34  1  0.181  0.000  0.000  1.0
  P  P35  1  0.000  0.181  0.000  1.0
[/CIF]
.
The crystal structure described by Dy5Co19P12 crystallizes in the hexagonal P-62m space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 15-coordinate geometry to three equivalent Co(2), six equivalent Co(3), and six equivalent P(2) atoms. In the second Dy site, Dy(2) is bonded in a 16-coordinate geometry to two equivalent Co(3), two equivalent Co(4), two equivalent Co(5), four equivalent Co(2), two equivalent P(1), and four equivalent P(3) atoms. There are five inequivalent Co sites. In the first Co site, Co(1) is bonded in a 5-coordinate geometry to one P(1) and four equivalent P(2) atoms. In the second Co site, Co(2) is bonded to one Dy(1), two equivalent Dy(2), one P(1), one P(3), and two equivalent P(2) atoms to form distorted CoDy3P4 tetrahedra that share corners with two equivalent Co(4)Dy2P4 tetrahedra, corners with two equivalent Co(3)Dy3P4 tetrahedra, corners with five equivalent Co(2)Dy3P4 tetrahedra, edges with two equivalent Co(2)Dy3P4 tetrahedra, edges with four equivalent Co(3)Dy3P4 tetrahedra,  a faceface with one Co(2)Dy3P4 tetrahedra, faces with two equivalent Co(4)Dy2P4 tetrahedra, and faces with two equivalent Co(3)Dy3P4 tetrahedra. In the third Co site, Co(3) is bonded to one Dy(2), two equivalent Dy(1), two equivalent P(1), and two equivalent P(2) atoms to form distorted CoDy3P4 tetrahedra that share corners with two equivalent Co(4)Dy2P4 tetrahedra, corners with two equivalent Co(2)Dy3P4 tetrahedra, corners with six equivalent Co(3)Dy3P4 tetrahedra,  an edgeedge with one Co(4)Dy2P4 tetrahedra, edges with two equivalent Co(3)Dy3P4 tetrahedra, edges with four equivalent Co(2)Dy3P4 tetrahedra, faces with two equivalent Co(2)Dy3P4 tetrahedra, and faces with three equivalent Co(3)Dy3P4 tetrahedra. In the fourth Co site, Co(4) is bonded to two equivalent Dy(2), two equivalent P(2), and two equivalent P(3) atoms to form distorted CoDy2P4 tetrahedra that share corners with four equivalent Co(4)Dy2P4 tetrahedra, corners with four equivalent Co(2)Dy3P4 tetrahedra, corners with four equivalent Co(3)Dy3P4 tetrahedra, edges with two equivalent Co(3)Dy3P4 tetrahedra, and faces with four equivalent Co(2)Dy3P4 tetrahedra. In the fifth Co site, Co(5) is bonded in a distorted trigonal planar geometry to six equivalent Dy(2) and three equivalent P(3) atoms. There are three inequivalent P sites. In the first P site, P(3) is bonded in a 9-coordinate geometry to four equivalent Dy(2), one Co(5), two equivalent Co(2), and two equivalent Co(4) atoms. In the second P site, P(1) is bonded in a 9-coordinate geometry to two equivalent Dy(2), one Co(1), two equivalent Co(2), and four equivalent Co(3) atoms. In the third P site, P(2) is bonded in a 9-coordinate geometry to two equivalent Dy(1), one Co(4), two equivalent Co(1), two equivalent Co(2), and two equivalent Co(3) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Dy5Co19P12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.966
_cell_length_b   11.966
_cell_length_c   3.670
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   455.059
_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
  Dy  Dy0  1  0.667  0.333  0.000  1.0
  Dy  Dy1  1  0.333  0.667  0.000  1.0
  Dy  Dy2  1  0.187  0.187  0.500  1.0
  Dy  Dy3  1  0.813  0.000  0.500  1.0
  Dy  Dy4  1  0.000  0.813  0.500  1.0
  Co  Co5  1  0.552  0.552  0.000  1.0
  Co  Co6  1  0.448  0.000  0.000  1.0
  Co  Co7  1  0.000  0.448  0.000  1.0
  Co  Co8  1  0.823  0.200  0.000  1.0
  Co  Co9  1  0.800  0.622  0.000  1.0
  Co  Co10  1  0.378  0.177  0.000  1.0
  Co  Co11  1  0.200  0.823  0.000  1.0
  Co  Co12  1  0.622  0.800  0.000  1.0
  Co  Co13  1  0.177  0.378  0.000  1.0
  Co  Co14  1  0.642  0.126  0.500  1.0
  Co  Co15  1  0.874  0.517  0.500  1.0
  Co  Co16  1  0.483  0.358  0.500  1.0
  Co  Co17  1  0.126  0.642  0.500  1.0
  Co  Co18  1  0.517  0.874  0.500  1.0
  Co  Co19  1  0.358  0.483  0.500  1.0
  Co  Co20  1  0.714  0.714  0.500  1.0
  Co  Co21  1  0.286  0.000  0.500  1.0
  Co  Co22  1  0.000  0.286  0.500  1.0
  Co  Co23  1  0.000  0.000  0.000  1.0
  P  P24  1  0.367  0.367  0.000  1.0
  P  P25  1  0.633  0.000  0.000  1.0
  P  P26  1  0.000  0.633  0.000  1.0
  P  P27  1  0.835  0.315  0.500  1.0
  P  P28  1  0.685  0.520  0.500  1.0
  P  P29  1  0.480  0.165  0.500  1.0
  P  P30  1  0.315  0.835  0.500  1.0
  P  P31  1  0.520  0.685  0.500  1.0
  P  P32  1  0.165  0.480  0.500  1.0
  P  P33  1  0.819  0.819  0.000  1.0
  P  P34  1  0.181  0.000  0.000  1.0
  P  P35  1  0.000  0.181  0.000  1.0
[/CIF]
.