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Tm2Hf3NpAs6

Alexandria ALEX

Alex-ID: agm046546728 · Space group: C2/m (#12)

Basic Information

Formula
Tm2Hf3NpAs6
Alex-ID
agm046546728
Elements
4
Sites
12
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
260.54
ų
Cell a
6.8170
Å
Cell b
6.8170
Å
Cell c
6.8575
Å
α angle
80.44
°
β angle
99.56
°
γ angle
60.07
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Tm2Hf3NpAs6
Tm
2.00 · 16.7%
Hf
3.00 · 25.0%
Np
1.00 · 8.3%
As
6.00 · 50.0%

Energy & Stability

Energy above hull
0.0126
eV/atom
Formation energy
-1.1164
eV/atom
Corrected total energy
-93.0376
eV
Raw total energy
-93.0376
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0003
eV
DOS at Fermi level
14.5131
Total magnetisation
4.2001
μB

Additional Information

Prototype ID

AB2C3D6_505_spg12

Decomposition

Tm5HfAs6 HfNpAs2 HfAs

Computed at

2025-02-04 07:53:23

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: agm046546728).

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 agm046546728
data_agm046546728
_cell_length_a     6.81704
_cell_length_b     6.81704
_cell_length_c     6.85751
_cell_angle_alpha  80.43754
_cell_angle_beta   99.56246
_cell_angle_gamma  60.07427
_cell_volume       260.54019
_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
  Tm1 Tm 0.33323 0.33323 0.00000 1.00000
  Tm2 Tm 0.66677 0.66677 0.00000 1.00000
  Hf1 Hf 0.16778 0.16778 0.50000 1.00000
  Hf2 Hf 0.83222 0.83222 0.50000 1.00000
  Hf3 Hf 0.50000 0.50000 0.50000 1.00000
  Np1 Np 0.00000 0.00000 0.00000 1.00000
  As1 As 0.42246 0.91188 0.26433 1.00000
  As2 As 0.24668 0.75332 0.73589 1.00000
  As3 As 0.57754 0.08812 0.73567 1.00000
  As4 As 0.08812 0.57754 0.26433 1.00000
  As5 As 0.75332 0.24668 0.26411 1.00000
  As6 As 0.91188 0.42246 0.73567 1.00000
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