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PmPa2As3

Alexandria ALEX

Alex-ID: agm005654871 · Space group: Pnma (#62)

Basic Information

Formula
PmPa2As3
Alex-ID
agm005654871
Elements
3
Sites
24
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
598.64
ų
Cell a
5.8455
Å
Cell b
8.2724
Å
Cell c
12.3798
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmPa2As3
Pm
4.00 · 16.7%
Pa
8.00 · 33.3%
As
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0198
eV/atom
Formation energy
-1.2022
eV/atom
Corrected total energy
-179.6390
eV
Raw total energy
-179.6390
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0012
eV
DOS at Fermi level
30.4649
Total magnetisation
-0.0003
μB

Additional Information

Prototype ID

AB2C3_35_spg14

Decomposition

Pm5PaAs6 PaAs

Computed at

2023-08-07 05:20:06.312787

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: agm005654871).

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 agm005654871
data_agm005654871
_cell_length_a     5.84545
_cell_length_b     8.27245
_cell_length_c     12.37979
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  89.99699
_cell_volume       598.63954
_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 0.24972 0.87614 0.07969 1.00000
  Pm2 Pm 0.24972 0.37614 0.42031 1.00000
  Pm3 Pm 0.75028 0.62386 0.57969 1.00000
  Pm4 Pm 0.75028 0.12386 0.92031 1.00000
  Pa1 Pa 0.25059 0.87560 0.75243 1.00000
  Pa2 Pa 0.25059 0.37560 0.74757 1.00000
  Pa3 Pa 0.24972 0.87619 0.41611 1.00000
  Pa4 Pa 0.24972 0.37619 0.08389 1.00000
  Pa5 Pa 0.75028 0.62381 0.91611 1.00000
  Pa6 Pa 0.75028 0.12381 0.58389 1.00000
  Pa7 Pa 0.74941 0.62440 0.25243 1.00000
  Pa8 Pa 0.74941 0.12440 0.24757 1.00000
  As1 As 0.25030 0.63218 0.58640 1.00000
  As2 As 0.25030 0.13218 0.91360 1.00000
  As3 As 0.25031 0.62082 0.91426 1.00000
  As4 As 0.25031 0.12082 0.58574 1.00000
  As5 As 0.24938 0.62579 0.25069 1.00000
  As6 As 0.24938 0.12579 0.24931 1.00000
  As7 As 0.75062 0.87421 0.75069 1.00000
  As8 As 0.75062 0.37421 0.74931 1.00000
  As9 As 0.74969 0.87918 0.41426 1.00000
  As10 As 0.74969 0.37918 0.08574 1.00000
  As11 As 0.74970 0.86782 0.08640 1.00000
  As12 As 0.74970 0.36782 0.41360 1.00000
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