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Pm2NdCo9

Alexandria ALEX

Alex-ID: agm003540474 · Space group: R-3m (#166)

Basic Information

Formula
Pm2NdCo9
Alex-ID
agm003540474
Elements
3
Sites
12
Space group
R-3m (#166)
Crystal system
trigonal
Volume
181.63
ų
Cell a
5.0454
Å
Cell b
5.0454
Å
Cell c
8.7384
Å
α angle
73.22
°
β angle
73.22
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm2NdCo9
Pm
2.00 · 16.7%
Nd
1.00 · 8.3%
Co
9.00 · 75.0%

Energy & Stability

Energy above hull
0.0203
eV/atom
Formation energy
-0.0510
eV/atom
Corrected total energy
-78.9997
eV
Raw total energy
-78.9997
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0103
eV
DOS at Fermi level
17.7011
Total magnetisation
10.2971
μB

Additional Information

Prototype ID

AB2C9_0_spg166

Decomposition

PmNdCo2 Pm2Co17 PmCo

Computed at

2022-03-18 19:57:08.040624

Citation

Alexandria website
https://alexandria.icams.rub.de/
Attribution

The crystal structure and related material properties of this entry were obtained from the Alexandria database (Alex-ID: agm003540474).

Reference

Th. Cavignac, J. Schmidt, P.-P. De Breuck, A. Loew, T. F. T. Cerqueira, H.-C. Wang, A. Bochkarev, Y. Lysogorskiy, A. H. Romero, R. Drautz, S. Botti and M. A. L. Marques. AI-Driven expansion and application of the Alexandria database. J. Phys. Mater. 9, 025014 (2026). https://doi.org/10.1088/2515-7639/ae6620

BibTeX
@article{Cavignac2026Alexandria,
  author  = {Cavignac, Th{\'e}o and Schmidt, Jonathan and De Breuck, Pierre-Paul and Loew, Antoine
             and Cerqueira, Tiago F. T. and Wang, Hai-Chen and Bochkarev, Anton
             and Lysogorskiy, Yury and Romero, Aldo H. and Drautz, Ralf and Botti, Silvana
             and Marques, Miguel A. L.},
  title   = {{AI}-Driven expansion and application of the {A}lexandria database},
  journal = {Journal of Physics: Materials},
  year    = {2026},
  volume  = {9},
  number  = {2},
  pages   = {025014},
  doi     = {10.1088/2515-7639/ae6620},
  url     = {https://doi.org/10.1088/2515-7639/ae6620}
}

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# CIF generated by HEAS from Alexandria entry agm003540474
data_agm003540474
_cell_length_a     5.04541
_cell_length_b     5.04541
_cell_length_c     8.73842
_cell_angle_alpha  73.22037
_cell_angle_beta   73.22037
_cell_angle_gamma  60.00000
_cell_volume       181.62583
_symmetry_space_group_name_H-M 'P 1'
_symmetry_Int_Tables_number 1
loop_
_symmetry_equiv_pos_as_xyz
  'x, y, z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
  Pm1 Pm 0.86002 0.86002 0.41993 1.00000
  Pm2 Pm 0.13998 0.13998 0.58007 1.00000
  Nd1 Nd 0.00000 0.00000 0.00000 1.00000
  Co1 Co 0.66607 0.66607 0.00180 1.00000
  Co2 Co 0.33393 0.33393 0.99820 1.00000
  Co3 Co 0.50000 0.50000 0.50000 1.00000
  Co4 Co 0.42022 0.42022 0.24049 1.00000
  Co5 Co 0.91907 0.42022 0.24049 1.00000
  Co6 Co 0.42022 0.91907 0.24049 1.00000
  Co7 Co 0.57978 0.57978 0.75951 1.00000
  Co8 Co 0.57978 0.08093 0.75951 1.00000
  Co9 Co 0.08093 0.57978 0.75951 1.00000
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