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HfNpFeO6

Alexandria ALEX

Alex-ID: agm005083501 · Space group: P-31c (#163)

Basic Information

Formula
HfNpFeO6
Alex-ID
agm005083501
Elements
4
Sites
18
Space group
P-31c (#163)
Crystal system
trigonal
Volume
230.77
ų
Cell a
5.4811
Å
Cell b
5.4811
Å
Cell c
8.8696
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
HfNpFeO6
Hf
2.00 · 11.1%
Np
2.00 · 11.1%
Fe
2.00 · 11.1%
O
12.00 · 66.7%

Energy & Stability

Energy above hull
0.2352
eV/atom
Formation energy
-2.9689
eV/atom
Corrected total energy
-175.6524
eV
Raw total energy
-161.7589
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0048
eV
DOS at Fermi level
16.5570
Total magnetisation
11.9324
μB

Additional Information

Prototype ID

ABCD6_10_spg163

Decomposition

NpFeO4 HfO2

Computed at

2022-08-09 10:21:15.138679

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: agm005083501).

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 agm005083501
data_agm005083501
_cell_length_a     5.48112
_cell_length_b     5.48112
_cell_length_c     8.86957
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       230.76584
_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 0.33333 0.66667 0.25000 1.00000
  Hf2 Hf 0.66667 0.33333 0.75000 1.00000
  Np1 Np 0.66667 0.33333 0.25000 1.00000
  Np2 Np 0.33333 0.66667 0.75000 1.00000
  Fe1 Fe 0.00000 0.00000 0.00000 1.00000
  Fe2 Fe 0.00000 0.00000 0.50000 1.00000
  O1 O 0.66226 0.66474 0.13017 1.00000
  O2 O 0.00248 0.33774 0.13017 1.00000
  O3 O 0.33774 0.00248 0.63017 1.00000
  O4 O 0.99752 0.66226 0.86983 1.00000
  O5 O 0.33525 0.33774 0.36983 1.00000
  O6 O 0.00248 0.66474 0.36983 1.00000
  O7 O 0.66475 0.00248 0.86983 1.00000
  O8 O 0.66226 0.99752 0.36983 1.00000
  O9 O 0.99752 0.33526 0.63017 1.00000
  O10 O 0.33525 0.99752 0.13017 1.00000
  O11 O 0.66475 0.66226 0.63017 1.00000
  O12 O 0.33774 0.33526 0.86983 1.00000
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