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HfNp2F11

Alexandria ALEX

Alex-ID: agm005740682 · Space group: Ibam (#72)

Basic Information

Formula
HfNp2F11
Alex-ID
agm005740682
Elements
3
Sites
28
Space group
Ibam (#72)
Crystal system
orthorhombic
Volume
460.66
ų
Cell a
8.3674
Å
Cell b
8.5199
Å
Cell c
8.5199
Å
α angle
74.53
°
β angle
60.59
°
γ angle
60.59
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
HfNp2F11
Hf
2.00 · 7.1%
Np
4.00 · 14.3%
F
22.00 · 78.6%

Energy & Stability

Energy above hull
0.0382
eV/atom
Formation energy
-3.9324
eV/atom
Corrected total energy
-213.0279
eV
Raw total energy
-213.0279
eV

Electronic Structure

Indirect band gap
0.0434
eV
Direct band gap
0.0637
eV
DOS at Fermi level
21.1255
Total magnetisation
14.0000
μB

Additional Information

Prototype ID

AB2C11_1_spg72

Decomposition

Hf2NpF11 HfNpF7 Np4F15

Computed at

2023-07-01 22:30:56.727341

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: agm005740682).

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 agm005740682
data_agm005740682
_cell_length_a     8.36742
_cell_length_b     8.51992
_cell_length_c     8.51992
_cell_angle_alpha  74.52784
_cell_angle_beta   60.59037
_cell_angle_gamma  60.59037
_cell_volume       460.66126
_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 0.75000 0.75000 0.75000 1.00000
  Hf2 Hf 0.25000 0.25000 0.25000 1.00000
  Np1 Np 0.65199 0.68231 0.31769 1.00000
  Np2 Np 0.34801 0.31769 0.68231 1.00000
  Np3 Np 0.84801 0.18231 0.81769 1.00000
  Np4 Np 0.15199 0.81769 0.18231 1.00000
  F1 F 0.65879 0.70819 0.57726 1.00000
  F2 F 0.34121 0.29181 0.42274 1.00000
  F3 F 0.05577 0.57726 0.70819 1.00000
  F4 F 0.84121 0.92274 0.79181 1.00000
  F5 F 0.94423 0.42274 0.29181 1.00000
  F6 F 0.15879 0.07726 0.20819 1.00000
  F7 F 0.44423 0.79181 0.92274 1.00000
  F8 F 0.55577 0.20819 0.07726 1.00000
  F9 F 0.50000 0.50000 0.50000 1.00000
  F10 F 0.00000 0.00000 0.00000 1.00000
  F11 F 0.87421 0.78824 0.21177 1.00000
  F12 F 0.12579 0.21176 0.78823 1.00000
  F13 F 0.62579 0.28824 0.71176 1.00000
  F14 F 0.37421 0.71176 0.28824 1.00000
  F15 F 0.43797 0.98523 0.30861 1.00000
  F16 F 0.56203 0.01477 0.69139 1.00000
  F17 F 0.26819 0.30861 0.98523 1.00000
  F18 F 0.06203 0.19139 0.51477 1.00000
  F19 F 0.73181 0.69139 0.01477 1.00000
  F20 F 0.93797 0.80861 0.48523 1.00000
  F21 F 0.23181 0.51477 0.19139 1.00000
  F22 F 0.76819 0.48523 0.80861 1.00000
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