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Ac2NpAu3

Alexandria ALEX

Alex-ID: agm034979928 · Space group: P4/mmm (#123)

Basic Information

Formula
Ac2NpAu3
Alex-ID
agm034979928
Elements
3
Sites
6
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
166.40
ų
Cell a
3.8142
Å
Cell b
3.8142
Å
Cell c
11.4378
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac2NpAu3
Ac
2.00 · 33.3%
Np
1.00 · 16.7%
Au
3.00 · 50.0%

Energy & Stability

Energy above hull
0.2193
eV/atom
Formation energy
-0.4703
eV/atom
Corrected total energy
-33.8118
eV
Raw total energy
-33.8118
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
10.3174
Total magnetisation
4.4047
μB

Additional Information

Prototype ID

AB2C3_4614_spg10

Decomposition

Ac3Au4 AcAu2 Np

Computed at

2025-04-13 12:49:05

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: agm034979928).

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 agm034979928
data_agm034979928
_cell_length_a     3.81417
_cell_length_b     3.81417
_cell_length_c     11.43784
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       166.39619
_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 0.50000 0.50000 0.82536 1.00000
  Ac2 Ac 0.50000 0.50000 0.17464 1.00000
  Np1 Np 0.50000 0.50000 0.50000 1.00000
  Au1 Au 0.00000 0.00000 0.00000 1.00000
  Au2 Au 0.00000 0.00000 0.64644 1.00000
  Au3 Au 0.00000 0.00000 0.35356 1.00000
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