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PmDy2As3

Alexandria ALEX

Alex-ID: agm031806396 · Space group: Fddd (#70)

Basic Information

Formula
PmDy2As3
Alex-ID
agm031806396
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
609.88
ų
Cell a
13.7866
Å
Cell b
13.1492
Å
Cell c
7.1989
Å
α angle
79.45
°
β angle
69.66
°
γ angle
30.89
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmDy2As3
Pm
4.00 · 16.7%
Dy
8.00 · 33.3%
As
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0029
eV/atom
Formation energy
-1.5302
eV/atom
Corrected total energy
-148.3504
eV
Raw total energy
-148.3504
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0019
eV
DOS at Fermi level
2.3881
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_2988_spg70

Decomposition

DyAs PmAs

Computed at

2025-02-26 16:30:06

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: agm031806396).

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 agm031806396
data_agm031806396
_cell_length_a     13.78664
_cell_length_b     13.14917
_cell_length_c     7.19885
_cell_angle_alpha  79.45309
_cell_angle_beta   69.66035
_cell_angle_gamma  30.88655
_cell_volume       609.87966
_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 0.91681 0.91681 0.08319 1.00000
  Pm2 Pm 0.33319 0.33319 0.16681 1.00000
  Pm3 Pm 0.16681 0.16681 0.33319 1.00000
  Pm4 Pm 0.08319 0.08319 0.91681 1.00000
  Dy1 Dy 0.00052 0.00052 0.49948 1.00000
  Dy2 Dy 0.41623 0.41623 0.58377 1.00000
  Dy3 Dy 0.83377 0.83377 0.66623 1.00000
  Dy4 Dy 0.24948 0.24948 0.75052 1.00000
  Dy5 Dy 0.75052 0.75052 0.24948 1.00000
  Dy6 Dy 0.66623 0.66623 0.83377 1.00000
  Dy7 Dy 0.58377 0.58377 0.41623 1.00000
  Dy8 Dy 0.49948 0.49948 0.00052 1.00000
  As1 As 0.66784 0.16745 0.82709 1.00000
  As2 As 0.16745 0.66784 0.33763 1.00000
  As3 As 0.58216 0.08255 0.42291 1.00000
  As4 As 0.08255 0.58216 0.91237 1.00000
  As5 As 0.50555 0.99445 0.99445 1.00000
  As6 As 0.99445 0.50555 0.50555 1.00000
  As7 As 0.91237 0.42291 0.08255 1.00000
  As8 As 0.42291 0.91237 0.58216 1.00000
  As9 As 0.33763 0.82709 0.16745 1.00000
  As10 As 0.82709 0.33763 0.66784 1.00000
  As11 As 0.74445 0.25555 0.25555 1.00000
  As12 As 0.25555 0.74445 0.74445 1.00000
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