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Pm4Nd6Tm

Alexandria ALEX

Alex-ID: agm003663675 · Space group: I-42m (#121)

Basic Information

Formula
Pm4Nd6Tm
Alex-ID
agm003663675
Elements
3
Sites
11
Space group
I-42m (#121)
Crystal system
tetragonal
Volume
391.35
ų
Cell a
6.7711
Å
Cell b
6.7711
Å
Cell c
9.7870
Å
α angle
110.24
°
β angle
110.24
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm4Nd6Tm
Pm
4.00 · 36.4%
Nd
6.00 · 54.5%
Tm
1.00 · 9.1%

Energy & Stability

Energy above hull
0.2834
eV/atom
Formation energy
0.2807
eV/atom
Corrected total energy
-49.0207
eV
Raw total energy
-49.0207
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
17.2376
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB4C6_73_spg8

Decomposition

Pm2Nd Nd PmTm2

Computed at

2022-04-08 12:20:15.491282

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: agm003663675).

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 agm003663675
data_agm003663675
_cell_length_a     6.77108
_cell_length_b     6.77108
_cell_length_c     9.78699
_cell_angle_alpha  110.23812
_cell_angle_beta   110.23812
_cell_angle_gamma  90.00000
_cell_volume       391.34960
_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 0.05250 0.70058 0.75307 1.00000
  Pm2 Pm 0.94750 0.94750 0.24693 1.00000
  Pm3 Pm 0.70058 0.05250 0.75307 1.00000
  Pm4 Pm 0.29942 0.29942 0.24693 1.00000
  Nd1 Nd 0.86568 0.48725 0.35293 1.00000
  Nd2 Nd 0.48725 0.86568 0.35293 1.00000
  Nd3 Nd 0.51275 0.51275 0.64707 1.00000
  Nd4 Nd 0.00000 0.50000 0.00000 1.00000
  Nd5 Nd 0.13432 0.13432 0.64707 1.00000
  Nd6 Nd 0.50000 0.00000 0.00000 1.00000
  Tm1 Tm 0.50000 0.50000 0.00000 1.00000
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