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Hf2Np2U3

Alexandria ALEX

Alex-ID: agm009685405 · Space group: C2/m (#12)

Basic Information

Formula
Hf2Np2U3
Alex-ID
agm009685405
Elements
3
Sites
7
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
145.83
ų
Cell a
5.6392
Å
Cell b
5.6392
Å
Cell c
7.8487
Å
α angle
74.22
°
β angle
74.22
°
γ angle
37.59
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Hf2Np2U3
Hf
2.00 · 28.6%
Np
2.00 · 28.6%
U
3.00 · 42.9%

Energy & Stability

Energy above hull
0.2288
eV/atom
Formation energy
0.2288
eV/atom
Corrected total energy
-78.0516
eV
Raw total energy
-78.0516
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0088
eV
DOS at Fermi level
16.0139
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B2C3_532_spg12

Decomposition

Hf Np U

Computed at

2024-03-26 00:14:32.588258

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: agm009685405).

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 agm009685405
data_agm009685405
_cell_length_a     5.63922
_cell_length_b     5.63922
_cell_length_c     7.84872
_cell_angle_alpha  74.21746
_cell_angle_beta   74.21746
_cell_angle_gamma  37.58944
_cell_volume       145.83375
_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
  Hf1 Hf 0.67658 0.67658 0.66712 1.00000
  Hf2 Hf 0.32342 0.32342 0.33288 1.00000
  Np1 Np 0.38624 0.38624 0.73333 1.00000
  Np2 Np 0.61376 0.61376 0.26667 1.00000
  U1 U 0.00000 0.00000 0.50000 1.00000
  U2 U 0.87943 0.87943 0.96030 1.00000
  U3 U 0.12057 0.12057 0.03970 1.00000
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