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AcBePdN

Alexandria ALEX

Alex-ID: agm005209844 · Space group: P4/nmm (#129)

Alexandria Database API

Basic Information

Formula
AcBePdN
Alex-ID
agm005209844
Elements
4
Sites
8
Space group
P4/nmm (#129)
Crystal system
tetragonal
Volume
131.85
ų
Cell a
4.0171
Å
Cell b
4.0171
Å
Cell c
8.1707
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
AcBePdN
Ac
2.00 · 25.0%
Be
2.00 · 25.0%
Pd
2.00 · 25.0%
N
2.00 · 25.0%

Energy & Stability

Energy above hull
0.0138
eV/atom
Formation energy
-1.0594
eV/atom
Corrected total energy
-50.4352
eV
Raw total energy
-50.4352
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0757
eV
DOS at Fermi level
2.1155
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD_7_spg129

Decomposition

Ac3Pd5 AcPd Be3N2 AcN

Computed at

2022-07-10 09:25:39.492835

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: agm005209844).

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 agm005209844
data_agm005209844
_cell_length_a     4.01711
_cell_length_b     4.01711
_cell_length_c     8.17074
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       131.85233
_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 0.00000 0.50000 0.83217 1.00000
  Ac2 Ac 0.50000 0.00000 0.16783 1.00000
  Be1 Be 0.00000 0.50000 0.34507 1.00000
  Be2 Be 0.50000 0.00000 0.65493 1.00000
  Pd1 Pd 0.00000 0.00000 0.50000 1.00000
  Pd2 Pd 0.50000 0.50000 0.50000 1.00000
  N1 N 0.50000 0.00000 0.85171 1.00000
  N2 N 0.00000 0.50000 0.14829 1.00000
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