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Ac3Pm2N4

Alexandria ALEX

Alex-ID: agm005694792 · Space group: P-3m1 (#164)

Basic Information

Formula
Ac3Pm2N4
Alex-ID
agm005694792
Elements
3
Sites
9
Space group
P-3m1 (#164)
Crystal system
trigonal
Volume
195.29
ų
Cell a
3.7554
Å
Cell b
3.7554
Å
Cell c
15.9894
Å
α angle
90.04
°
β angle
89.96
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac3Pm2N4
Ac
3.00 · 33.3%
Pm
2.00 · 22.2%
N
4.00 · 44.4%

Energy & Stability

Energy above hull
0.0441
eV/atom
Formation energy
-1.2462
eV/atom
Corrected total energy
-64.8526
eV
Raw total energy
-64.8525
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
4.7537
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C4_352_spg164

Decomposition

Ac PmN AcN

Computed at

2023-06-27 19:20:33.711269

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: agm005694792).

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 agm005694792
data_agm005694792
_cell_length_a     3.75543
_cell_length_b     3.75543
_cell_length_c     15.98935
_cell_angle_alpha  90.03942
_cell_angle_beta   89.96057
_cell_angle_gamma  119.99898
_cell_volume       195.29259
_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
  Ac1 Ac 0.66591 0.33408 0.37567 1.00000
  Ac2 Ac 0.00000 0.00000 0.00000 1.00000
  Ac3 Ac 0.33409 0.66592 0.62433 1.00000
  Pm1 Pm 0.66706 0.33294 0.81212 1.00000
  Pm2 Pm 0.33294 0.66706 0.18788 1.00000
  N1 N 0.33357 0.66643 0.89182 1.00000
  N2 N 0.99937 0.00063 0.29313 1.00000
  N3 N 0.00063 0.99937 0.70687 1.00000
  N4 N 0.66643 0.33357 0.10818 1.00000
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