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Pm2DyAs3

Alexandria ALEX

Alex-ID: agm040370680 · Space group: Fddd (#70)

Basic Information

Formula
Pm2DyAs3
Alex-ID
agm040370680
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
627.76
ų
Cell a
13.9202
Å
Cell b
13.2770
Å
Cell c
7.2681
Å
α angle
79.45
°
β angle
69.66
°
γ angle
30.88
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm2DyAs3
Pm
8.00 · 33.3%
Dy
4.00 · 16.7%
As
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0030
eV/atom
Formation energy
-1.5272
eV/atom
Corrected total energy
-148.8675
eV
Raw total energy
-148.8674
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0004
eV
DOS at Fermi level
2.4463
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_36_spg70

Decomposition

DyAs PmAs

Computed at

2025-02-22 16:50:57

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: agm040370680).

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 agm040370680
data_agm040370680
_cell_length_a     13.92018
_cell_length_b     13.27703
_cell_length_c     7.26809
_cell_angle_alpha  79.45102
_cell_angle_beta   69.66499
_cell_angle_gamma  30.88399
_cell_volume       627.75587
_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 0.99950 0.99950 0.50050 1.00000
  Pm2 Pm 0.41706 0.41706 0.58294 1.00000
  Pm3 Pm 0.83294 0.83294 0.66706 1.00000
  Pm4 Pm 0.25050 0.25050 0.74950 1.00000
  Pm5 Pm 0.74950 0.74950 0.25050 1.00000
  Pm6 Pm 0.66706 0.66706 0.83294 1.00000
  Pm7 Pm 0.58294 0.58294 0.41706 1.00000
  Pm8 Pm 0.50050 0.50050 0.99950 1.00000
  Dy1 Dy 0.91656 0.91656 0.08344 1.00000
  Dy2 Dy 0.33344 0.33344 0.16656 1.00000
  Dy3 Dy 0.16656 0.16656 0.33344 1.00000
  Dy4 Dy 0.08344 0.08344 0.91656 1.00000
  As1 As 0.66550 0.16590 0.83952 1.00000
  As2 As 0.16590 0.66550 0.32907 1.00000
  As3 As 0.58450 0.08410 0.41048 1.00000
  As4 As 0.08410 0.58450 0.92093 1.00000
  As5 As 0.49454 0.00546 0.00546 1.00000
  As6 As 0.00546 0.49454 0.49454 1.00000
  As7 As 0.92093 0.41048 0.08410 1.00000
  As8 As 0.41048 0.92093 0.58450 1.00000
  As9 As 0.32907 0.83952 0.16590 1.00000
  As10 As 0.83952 0.32907 0.66550 1.00000
  As11 As 0.75546 0.24454 0.24454 1.00000
  As12 As 0.24454 0.75546 0.75546 1.00000
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