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NpHgBr3

Alexandria ALEX

Alex-ID: agm005757658 · Space group: R-3 (#148)

Basic Information

Formula
NpHgBr3
Alex-ID
agm005757658
Elements
3
Sites
10
Space group
R-3 (#148)
Crystal system
trigonal
Volume
472.47
ų
Cell a
7.4254
Å
Cell b
7.4254
Å
Cell c
10.7836
Å
α angle
69.86
°
β angle
69.86
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NpHgBr3
Np
2.00 · 20.0%
Hg
2.00 · 20.0%
Br
6.00 · 60.0%

Energy & Stability

Energy above hull
0.0389
eV/atom
Formation energy
-1.0287
eV/atom
Corrected total energy
-46.9277
eV
Raw total energy
-46.9277
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0108
eV
DOS at Fermi level
17.2504
Total magnetisation
8.0000
μB

Additional Information

Prototype ID

ABC3_20_spg148

Decomposition

NpBr3 Hg

Computed at

2023-07-02 23:59:45.588792

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: agm005757658).

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 agm005757658
data_agm005757658
_cell_length_a     7.42538
_cell_length_b     7.42538
_cell_length_c     10.78361
_cell_angle_alpha  69.86152
_cell_angle_beta   69.86148
_cell_angle_gamma  59.99995
_cell_volume       472.47167
_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
  Np1 Np 0.66706 0.66706 0.99881 1.00000
  Np2 Np 0.33294 0.33294 0.00119 1.00000
  Hg1 Hg 0.83853 0.83853 0.48440 1.00000
  Hg2 Hg 0.16147 0.16147 0.51560 1.00000
  Br1 Br 0.30813 0.58334 0.16493 1.00000
  Br2 Br 0.94360 0.30813 0.16493 1.00000
  Br3 Br 0.58334 0.94360 0.16493 1.00000
  Br4 Br 0.41666 0.05640 0.83507 1.00000
  Br5 Br 0.05640 0.69187 0.83507 1.00000
  Br6 Br 0.69187 0.41666 0.83507 1.00000
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