Navigation

HEAS Data Platform · Materials Science Database

U4N7

Alexandria ALEX

Alex-ID: agm005283625 · Space group: I4cm (#108)

Basic Information

Formula
U4N7
Alex-ID
agm005283625
Elements
2
Sites
44
Space group
I4cm (#108)
Crystal system
tetragonal
Volume
600.53
ų
Cell a
9.2056
Å
Cell b
9.2056
Å
Cell c
9.2056
Å
α angle
109.42
°
β angle
109.42
°
γ angle
109.57
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
U4N7
U
16.00 · 36.4%
N
28.00 · 63.6%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-1.6718
eV/atom
Corrected total energy
-476.8415
eV
Raw total energy
-476.8414
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
43.9749
Total magnetisation
12.4903
μB

Additional Information

Prototype ID

A4B7_36_spg108

Decomposition

U4N7

Computed at

2023-03-27 12:50:33.736647

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: agm005283625).

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 agm005283625
data_agm005283625
_cell_length_a     9.20560
_cell_length_b     9.20560
_cell_length_c     9.20560
_cell_angle_alpha  109.42306
_cell_angle_beta   109.42306
_cell_angle_gamma  109.56759
_cell_volume       600.52861
_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 0.77235 0.99918 0.25571 1.00000
  U2 U 0.25769 0.23260 0.50000 1.00000
  U3 U 0.49918 0.27235 0.25571 1.00000
  U4 U 0.47944 0.97944 0.50000 1.00000
  U5 U 0.73260 0.75769 0.50000 1.00000
  U6 U 0.97944 0.47944 0.50000 1.00000
  U7 U 0.74347 0.51665 0.74429 1.00000
  U8 U 0.51665 0.77235 0.77317 1.00000
  U9 U 0.27235 0.01665 0.77317 1.00000
  U10 U 0.00539 0.00539 0.00000 1.00000
  U11 U 0.23260 0.73260 0.97491 1.00000
  U12 U 0.50539 0.50539 0.00000 1.00000
  U13 U 0.01665 0.24347 0.74429 1.00000
  U14 U 0.75769 0.25769 0.02509 1.00000
  U15 U 0.24347 0.49918 0.22683 1.00000
  U16 U 0.99918 0.74347 0.22683 1.00000
  N1 N 0.77758 0.75170 0.26846 1.00000
  N2 N 0.50505 0.23087 0.50000 1.00000
  N3 N 0.49401 0.51625 0.24716 1.00000
  N4 N 0.73087 0.00505 0.50000 1.00000
  N5 N 0.75765 0.52803 0.50000 1.00000
  N6 N 0.25170 0.27758 0.26846 1.00000
  N7 N 0.46251 0.73287 0.50000 1.00000
  N8 N 0.00505 0.50505 0.27418 1.00000
  N9 N 0.23287 0.96251 0.50000 1.00000
  N10 N 0.98324 0.25170 0.97412 1.00000
  N11 N 0.52803 0.02803 0.77039 1.00000
  N12 N 0.96251 0.46251 0.72964 1.00000
  N13 N 0.74685 0.76909 0.75284 1.00000
  N14 N 0.23087 0.73087 0.72582 1.00000
  N15 N 0.00912 0.98324 0.73154 1.00000
  N16 N 0.48324 0.50912 0.73154 1.00000
  N17 N 0.76909 0.01625 0.02224 1.00000
  N18 N 0.02803 0.25765 0.50000 1.00000
  N19 N 0.75170 0.48324 0.97412 1.00000
  N20 N 0.01625 0.99401 0.24716 1.00000
  N21 N 0.50912 0.77758 0.02588 1.00000
  N22 N 0.26909 0.24685 0.75284 1.00000
  N23 N 0.73287 0.23287 0.27036 1.00000
  N24 N 0.27758 0.00912 0.02588 1.00000
  N25 N 0.99401 0.74685 0.97776 1.00000
  N26 N 0.24685 0.49401 0.97776 1.00000
  N27 N 0.51625 0.26909 0.02224 1.00000
  N28 N 0.25765 0.75765 0.22961 1.00000
Get direct link