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Pm4Ho2Tm3

Alexandria ALEX

Alex-ID: agm003333741 · Space group: Cccm (#66)

Basic Information

Formula
Pm4Ho2Tm3
Alex-ID
agm003333741
Elements
3
Sites
18
Space group
Cccm (#66)
Crystal system
orthorhombic
Volume
577.40
ų
Cell a
7.0292
Å
Cell b
9.7475
Å
Cell c
9.7476
Å
α angle
59.83
°
β angle
90.01
°
γ angle
90.01
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm4Ho2Tm3
Pm
8.00 · 44.4%
Ho
4.00 · 22.2%
Tm
6.00 · 33.3%

Energy & Stability

Energy above hull
0.0512
eV/atom
Formation energy
0.0454
eV/atom
Corrected total energy
-82.3317
eV
Raw total energy
-82.3317
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0001
eV
DOS at Fermi level
23.5851
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C4_520_spg66

Decomposition

Pm3Ho5 Pm PmTm2

Computed at

2022-02-02 04:08:28.753112

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: agm003333741).

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 agm003333741
data_agm003333741
_cell_length_a     7.02915
_cell_length_b     9.74753
_cell_length_c     9.74756
_cell_angle_alpha  59.82929
_cell_angle_beta   90.00777
_cell_angle_gamma  90.00780
_cell_volume       577.39693
_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 0.50027 0.85018 0.18078 1.00000
  Pm2 Pm 0.99973 0.81922 0.14982 1.00000
  Pm3 Pm 0.49973 0.14982 0.81922 1.00000
  Pm4 Pm 0.00027 0.18078 0.85018 1.00000
  Pm5 Pm 0.00041 0.15001 0.52975 1.00000
  Pm6 Pm 0.49959 0.47025 0.84999 1.00000
  Pm7 Pm 0.99959 0.84999 0.47025 1.00000
  Pm8 Pm 0.50041 0.52975 0.15001 1.00000
  Ho1 Ho 0.50024 0.18076 0.47011 1.00000
  Ho2 Ho 0.99976 0.52989 0.81925 1.00000
  Ho3 Ho 0.49976 0.81924 0.52989 1.00000
  Ho4 Ho 0.00024 0.47011 0.18075 1.00000
  Tm1 Tm 0.75002 0.16967 0.16915 1.00000
  Tm2 Tm 0.74998 0.83085 0.83033 1.00000
  Tm3 Tm 0.24998 0.83033 0.83085 1.00000
  Tm4 Tm 0.25002 0.16915 0.16967 1.00000
  Tm5 Tm 0.25000 0.50025 0.49975 1.00000
  Tm6 Tm 0.75000 0.49975 0.50025 1.00000
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