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HEAS Data Platform · Materials Science Database

Pm2Y4Tm

Alexandria ALEX

Alex-ID: agm024188785 · Space group: C2/m (#12)

Basic Information

Formula
Pm2Y4Tm
Alex-ID
agm024188785
Elements
3
Sites
7
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
227.46
ų
Cell a
6.1954
Å
Cell b
6.1954
Å
Cell c
8.0158
Å
α angle
82.54
°
β angle
97.46
°
γ angle
131.68
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm2Y4Tm
Pm
2.00 · 28.6%
Y
4.00 · 57.1%
Tm
1.00 · 14.3%

Energy & Stability

Energy above hull
0.0290
eV/atom
Formation energy
0.0198
eV/atom
Corrected total energy
-39.6864
eV
Raw total energy
-39.6864
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
9.8726
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C4_1437_spg12

Decomposition

PmY2 YTm2 PmTm2

Computed at

2025-05-17 02:24:44

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: agm024188785).

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 agm024188785
data_agm024188785
_cell_length_a     6.19544
_cell_length_b     6.19544
_cell_length_c     8.01576
_cell_angle_alpha  82.53881
_cell_angle_beta   97.46119
_cell_angle_gamma  131.67761
_cell_volume       227.46093
_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 0.28575 0.71425 0.85847 1.00000
  Pm2 Pm 0.71425 0.28575 0.14153 1.00000
  Y1 Y 0.85677 0.14323 0.57326 1.00000
  Y2 Y 0.14323 0.85677 0.42674 1.00000
  Y3 Y 0.42903 0.57097 0.28607 1.00000
  Y4 Y 0.57097 0.42903 0.71393 1.00000
  Tm1 Tm 0.00000 0.00000 0.00000 1.00000
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