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Hf2Te2As

Alexandria ALEX

Alex-ID: agm002199045 · Space group: R-3m (#166)

Basic Information

Formula
Hf2Te2As
Alex-ID
agm002199045
Elements
3
Sites
5
Space group
R-3m (#166)
Crystal system
trigonal
Volume
134.00
ų
Cell a
3.8877
Å
Cell b
3.8877
Å
Cell c
10.4831
Å
α angle
79.30
°
β angle
79.30
°
γ angle
59.98
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Hf2Te2As
As
1.00 · 20.0%
Te
2.00 · 40.0%
Hf
2.00 · 40.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.9144
eV/atom
Corrected total energy
-35.4117
eV
Raw total energy
-35.4117
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
2.0855
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2_46_spg166

Decomposition

Hf2Te2As

Computed at

2018-06-25 14:20:06

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: agm002199045).

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 agm002199045
data_agm002199045
_cell_length_a     3.88773
_cell_length_b     3.88773
_cell_length_c     10.48313
_cell_angle_alpha  79.30270
_cell_angle_beta   79.30270
_cell_angle_gamma  59.98091
_cell_volume       134.00472
_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
  As1 As 0.00000 0.00000 0.00000 1.00000
  Te1 Te 0.22450 0.22450 0.32642 1.00000
  Te2 Te 0.77550 0.77550 0.67358 1.00000
  Hf1 Hf 0.61736 0.61736 0.14773 1.00000
  Hf2 Hf 0.38264 0.38264 0.85227 1.00000
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