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UNb2N3

Alexandria ALEX

Alex-ID: agm017106289 · Space group: Pnma (#62)

Basic Information

Formula
UNb2N3
Alex-ID
agm017106289
Elements
3
Sites
24
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
289.36
ų
Cell a
4.5969
Å
Cell b
6.4364
Å
Cell c
9.7798
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
UNb2N3
U
4.00 · 16.7%
Nb
8.00 · 33.3%
N
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0664
eV/atom
Formation energy
-1.3532
eV/atom
Corrected total energy
-253.6184
eV
Raw total energy
-253.6183
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0153
eV
DOS at Fermi level
13.9952
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_359_spg14

Decomposition

UNbN2 NbN

Computed at

2024-08-14 12:30:34.144876

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: agm017106289).

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 agm017106289
data_agm017106289
_cell_length_a     4.59694
_cell_length_b     6.43641
_cell_length_c     9.77981
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       289.36324
_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
  U1 U 0.25000 0.86804 0.58435 1.00000
  U2 U 0.25000 0.36804 0.91565 1.00000
  U3 U 0.75000 0.63196 0.08435 1.00000
  U4 U 0.75000 0.13196 0.41565 1.00000
  Nb1 Nb 0.25000 0.89366 0.24047 1.00000
  Nb2 Nb 0.25000 0.39366 0.25953 1.00000
  Nb3 Nb 0.25000 0.87215 0.91844 1.00000
  Nb4 Nb 0.25000 0.37215 0.58156 1.00000
  Nb5 Nb 0.75000 0.62785 0.41844 1.00000
  Nb6 Nb 0.75000 0.12785 0.08156 1.00000
  Nb7 Nb 0.75000 0.60634 0.74047 1.00000
  Nb8 Nb 0.75000 0.10634 0.75953 1.00000
  N1 N 0.25000 0.63348 0.08926 1.00000
  N2 N 0.25000 0.13348 0.41074 1.00000
  N3 N 0.25000 0.62815 0.41445 1.00000
  N4 N 0.25000 0.12815 0.08555 1.00000
  N5 N 0.25000 0.62187 0.75042 1.00000
  N6 N 0.25000 0.12187 0.74958 1.00000
  N7 N 0.75000 0.87813 0.25042 1.00000
  N8 N 0.75000 0.37813 0.24958 1.00000
  N9 N 0.75000 0.87185 0.91445 1.00000
  N10 N 0.75000 0.37185 0.58555 1.00000
  N11 N 0.75000 0.86652 0.58926 1.00000
  N12 N 0.75000 0.36652 0.91074 1.00000
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