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Ta2NbSb2

Alexandria ALEX

Alex-ID: agm002936627 · Space group: I4/mmm (#139)

Basic Information

Formula
Ta2NbSb2
Alex-ID
agm002936627
Elements
3
Sites
5
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
110.84
ų
Cell a
3.9508
Å
Cell b
3.9508
Å
Cell c
7.6311
Å
α angle
75.00
°
β angle
75.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ta2NbSb2
Sb
2.00 · 40.0%
Nb
1.00 · 20.0%
Ta
2.00 · 40.0%

Energy & Stability

Energy above hull
0.8664
eV/atom
Formation energy
0.6580
eV/atom
Corrected total energy
-38.7299
eV
Raw total energy
-38.7299
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
5.8251
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2_106_spg139

Decomposition

Nb5Sb4 Ta3Sb Ta5Sb4

Computed at

2016-12-08 20:27:45

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: agm002936627).

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 agm002936627
data_agm002936627
_cell_length_a     3.95079
_cell_length_b     3.95079
_cell_length_c     7.63107
_cell_angle_alpha  74.99743
_cell_angle_beta   74.99743
_cell_angle_gamma  90.00000
_cell_volume       110.84303
_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
  Sb1 Sb 0.75000 0.25000 0.50000 1.00000
  Sb2 Sb 0.25000 0.75000 0.50000 1.00000
  Nb1 Nb 0.00000 0.00000 0.00000 1.00000
  Ta1 Ta 0.40542 0.40542 0.18916 1.00000
  Ta2 Ta 0.59458 0.59458 0.81084 1.00000
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