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AcNiPN

Alexandria ALEX

Alex-ID: agm005201962 · Space group: P4/nmm (#129)

Alexandria Database API

Basic Information

Formula
AcNiPN
Alex-ID
agm005201962
Elements
4
Sites
8
Space group
P4/nmm (#129)
Crystal system
tetragonal
Volume
127.03
ų
Cell a
3.9358
Å
Cell b
3.9358
Å
Cell c
8.2006
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
AcNiPN
Ac
2.00 · 25.0%
Ni
2.00 · 25.0%
P
2.00 · 25.0%
N
2.00 · 25.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-1.1490
eV/atom
Corrected total energy
-55.7014
eV
Raw total energy
-55.7014
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
3.9408
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD_85_spg129

Decomposition

AcNiPN

Computed at

2022-07-10 15:36:56.119988

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: agm005201962).

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 agm005201962
data_agm005201962
_cell_length_a     3.93580
_cell_length_b     3.93580
_cell_length_c     8.20065
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       127.03206
_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 0.82633 1.00000
  Ac2 Ac 0.50000 0.00000 0.17367 1.00000
  Ni1 Ni 0.00000 0.00000 0.50000 1.00000
  Ni2 Ni 0.50000 0.50000 0.50000 1.00000
  P1 P 0.00000 0.50000 0.35784 1.00000
  P2 P 0.50000 0.00000 0.64216 1.00000
  N1 N 0.50000 0.00000 0.85476 1.00000
  N2 N 0.00000 0.50000 0.14524 1.00000
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