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Tc2As2Pb

Alexandria ALEX

Alex-ID: agm002909899 · Space group: I4/mmm (#139)

Basic Information

Formula
Tc2As2Pb
Alex-ID
agm002909899
Elements
3
Sites
5
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
92.45
ų
Cell a
3.9101
Å
Cell b
3.9101
Å
Cell c
6.6492
Å
α angle
72.90
°
β angle
72.90
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Tc2As2Pb
Pb
1.00 · 20.0%
As
2.00 · 40.0%
Tc
2.00 · 40.0%

Energy & Stability

Energy above hull
0.3861
eV/atom
Formation energy
0.1975
eV/atom
Corrected total energy
-32.7518
eV
Raw total energy
-32.7518
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0067
eV
DOS at Fermi level
2.2296
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2_5_spg139

Decomposition

Tc2As3 Tc Pb

Computed at

2023-03-24 06:26:50.468534

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: agm002909899).

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 agm002909899
data_agm002909899
_cell_length_a     3.91015
_cell_length_b     3.91015
_cell_length_c     6.64918
_cell_angle_alpha  72.90049
_cell_angle_beta   72.90049
_cell_angle_gamma  90.00000
_cell_volume       92.45498
_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
  Pb1 Pb 0.00000 0.00000 0.00000 1.00000
  As1 As 0.75000 0.25000 0.50000 1.00000
  As2 As 0.25000 0.75000 0.50000 1.00000
  Tc1 Tc 0.37976 0.37976 0.24048 1.00000
  Tc2 Tc 0.62024 0.62024 0.75952 1.00000
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