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PrNpB8

Alexandria ALEX

Alex-ID: agm024278968 · Space group: Cmmm (#65)

Basic Information

Formula
PrNpB8
Alex-ID
agm024278968
Elements
3
Sites
20
Space group
Cmmm (#65)
Crystal system
orthorhombic
Volume
209.01
ų
Cell a
7.1734
Å
Cell b
7.1734
Å
Cell c
4.0626
Å
α angle
90.00
°
β angle
90.00
°
γ angle
91.19
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PrNpB8
Pr
2.00 · 10.0%
Np
2.00 · 10.0%
B
16.00 · 80.0%

Energy & Stability

Energy above hull
0.0169
eV/atom
Formation energy
-0.4626
eV/atom
Corrected total energy
-151.5407
eV
Raw total energy
-151.5407
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0048
eV
DOS at Fermi level
14.0010
Total magnetisation
6.7589
μB

Additional Information

Prototype ID

ABC8_15_spg65

Decomposition

NpB4 PrB4

Computed at

2024-09-13 11:16:08.213744

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: agm024278968).

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 agm024278968
data_agm024278968
_cell_length_a     7.17335
_cell_length_b     7.17335
_cell_length_c     4.06264
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  91.19411
_cell_volume       209.00572
_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
  Pr1 Pr 0.68554 0.68554 0.00000 1.00000
  Pr2 Pr 0.31446 0.31446 0.00000 1.00000
  Np1 Np 0.81297 0.18703 0.00000 1.00000
  Np2 Np 0.18703 0.81297 0.00000 1.00000
  B1 B 0.50000 0.00000 0.79723 1.00000
  B2 B 0.00000 0.50000 0.79723 1.00000
  B3 B 0.50000 0.00000 0.20277 1.00000
  B4 B 0.00000 0.50000 0.20277 1.00000
  B5 B 0.45610 0.82420 0.50000 1.00000
  B6 B 0.54390 0.17580 0.50000 1.00000
  B7 B 0.03404 0.32264 0.50000 1.00000
  B8 B 0.96596 0.67736 0.50000 1.00000
  B9 B 0.32264 0.03404 0.50000 1.00000
  B10 B 0.67736 0.96596 0.50000 1.00000
  B11 B 0.82420 0.45610 0.50000 1.00000
  B12 B 0.17580 0.54390 0.50000 1.00000
  B13 B 0.91294 0.91294 0.50000 1.00000
  B14 B 0.08706 0.08706 0.50000 1.00000
  B15 B 0.58854 0.41146 0.50000 1.00000
  B16 B 0.41146 0.58854 0.50000 1.00000
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