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Pa2Si3W

Alexandria ALEX

Alex-ID: agm005680859 · Space group: Pnma (#62)

Basic Information

Formula
Pa2Si3W
Alex-ID
agm005680859
Elements
3
Sites
24
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
474.29
ų
Cell a
3.7161
Å
Cell b
6.9940
Å
Cell c
18.2484
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pa2Si3W
Pa
8.00 · 33.3%
Si
12.00 · 50.0%
W
4.00 · 16.7%

Energy & Stability

Energy above hull
0.1198
eV/atom
Formation energy
-0.3519
eV/atom
Corrected total energy
-201.3243
eV
Raw total energy
-201.3243
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0312
eV
DOS at Fermi level
25.1663
Total magnetisation
0.0005
μB

Additional Information

Prototype ID

AB2C3_2334_spg62

Decomposition

Pa5Si4 Pa2Si4W3 PaSi2

Computed at

2023-08-29 22:12:03.152695

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: agm005680859).

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 agm005680859
data_agm005680859
_cell_length_a     3.71610
_cell_length_b     6.99404
_cell_length_c     18.24840
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       474.28626
_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
  Pa1 Pa 0.25000 0.65474 0.58623 1.00000
  Pa2 Pa 0.75000 0.84526 0.08623 1.00000
  Pa3 Pa 0.25000 0.15474 0.91377 1.00000
  Pa4 Pa 0.75000 0.34526 0.41377 1.00000
  Pa5 Pa 0.25000 0.68235 0.80678 1.00000
  Pa6 Pa 0.75000 0.81765 0.30678 1.00000
  Pa7 Pa 0.25000 0.18235 0.69322 1.00000
  Pa8 Pa 0.75000 0.31765 0.19322 1.00000
  Si1 Si 0.25000 0.75846 0.96623 1.00000
  Si2 Si 0.75000 0.74154 0.46623 1.00000
  Si3 Si 0.25000 0.25846 0.53377 1.00000
  Si4 Si 0.75000 0.24154 0.03377 1.00000
  Si5 Si 0.25000 0.99189 0.19705 1.00000
  Si6 Si 0.75000 0.50811 0.69705 1.00000
  Si7 Si 0.25000 0.49189 0.30295 1.00000
  Si8 Si 0.75000 0.00811 0.80295 1.00000
  Si9 Si 0.25000 0.64541 0.18525 1.00000
  Si10 Si 0.75000 0.85459 0.68525 1.00000
  Si11 Si 0.25000 0.14541 0.31475 1.00000
  Si12 Si 0.75000 0.35459 0.81475 1.00000
  W1 W 0.25000 0.98278 0.43983 1.00000
  W2 W 0.75000 0.51722 0.93983 1.00000
  W3 W 0.25000 0.48278 0.06017 1.00000
  W4 W 0.75000 0.01722 0.56017 1.00000
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