Navigation

HEAS Data Platform · Materials Science Database

Pm2YAs3

Alexandria ALEX

Alex-ID: agm019705168 · Space group: Pnma (#62)

Basic Information

Formula
Pm2YAs3
Alex-ID
agm019705168
Elements
3
Sites
24
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
629.20
ų
Cell a
5.9411
Å
Cell b
8.3901
Å
Cell c
12.6227
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm2YAs3
Pm
8.00 · 33.3%
Y
4.00 · 16.7%
As
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0057
eV/atom
Formation energy
-1.5318
eV/atom
Corrected total energy
-156.4156
eV
Raw total energy
-156.4156
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0100
eV
DOS at Fermi level
2.7223
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_2552_spg62

Decomposition

YAs PmAs

Computed at

2025-02-06 20:57:12

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: agm019705168).

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 agm019705168
data_agm019705168
_cell_length_a     5.94111
_cell_length_b     8.39008
_cell_length_c     12.62268
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       629.19549
_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 0.25000 0.37488 0.74860 1.00000
  Pm2 Pm 0.25000 0.87488 0.75140 1.00000
  Pm3 Pm 0.25000 0.37367 0.41703 1.00000
  Pm4 Pm 0.25000 0.87367 0.08297 1.00000
  Pm5 Pm 0.75000 0.12633 0.91703 1.00000
  Pm6 Pm 0.75000 0.62633 0.58297 1.00000
  Pm7 Pm 0.75000 0.12512 0.24860 1.00000
  Pm8 Pm 0.75000 0.62512 0.25140 1.00000
  Y1 Y 0.25000 0.37584 0.08420 1.00000
  Y2 Y 0.25000 0.87584 0.41580 1.00000
  Y3 Y 0.75000 0.12416 0.58420 1.00000
  Y4 Y 0.75000 0.62416 0.91580 1.00000
  As1 As 0.25000 0.12111 0.58188 1.00000
  As2 As 0.25000 0.62111 0.91812 1.00000
  As3 As 0.25000 0.12867 0.91870 1.00000
  As4 As 0.25000 0.62867 0.58130 1.00000
  As5 As 0.25000 0.12487 0.24944 1.00000
  As6 As 0.25000 0.62487 0.25056 1.00000
  As7 As 0.75000 0.37513 0.74944 1.00000
  As8 As 0.75000 0.87513 0.75056 1.00000
  As9 As 0.75000 0.37133 0.41870 1.00000
  As10 As 0.75000 0.87133 0.08130 1.00000
  As11 As 0.75000 0.37889 0.08188 1.00000
  As12 As 0.75000 0.87889 0.41812 1.00000
Get direct link