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HEAS Data Platform · Materials Science Database

Ta2Co3Ni

Alexandria ALEX

Alex-ID: agm005662480 · Space group: I4_1/amd (#141)

Basic Information

Formula
Ta2Co3Ni
Alex-ID
agm005662480
Elements
3
Sites
24
Space group
I4_1/amd (#141)
Crystal system
tetragonal
Volume
352.68
ų
Cell a
7.8818
Å
Cell b
7.8818
Å
Cell c
7.9557
Å
α angle
119.69
°
β angle
119.69
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ta2Co3Ni
Ta
8.00 · 33.3%
Co
12.00 · 50.0%
Ni
4.00 · 16.7%

Energy & Stability

Energy above hull
0.4240
eV/atom
Formation energy
0.1583
eV/atom
Corrected total energy
-199.6439
eV
Raw total energy
-199.6439
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
25.8390
Total magnetisation
-0.0004
μB

Additional Information

Prototype ID

AB2C3_620_spg227

Decomposition

Ta4(Co3Ni)3 TaCoNi2 Ta7Co6

Computed at

2023-08-29 15:21:56.216381

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: agm005662480).

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 agm005662480
data_agm005662480
_cell_length_a     7.88177
_cell_length_b     7.88177
_cell_length_c     7.95568
_cell_angle_alpha  119.69382
_cell_angle_beta   119.69364
_cell_angle_gamma  89.99920
_cell_volume       352.68326
_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
  Ta1 Ta 0.90402 0.70721 0.80808 1.00000
  Ta2 Ta 0.34594 0.64913 0.69192 1.00000
  Ta3 Ta 0.29279 0.09592 0.19186 1.00000
  Ta4 Ta 0.35093 0.65406 0.30814 1.00000
  Ta5 Ta 0.89915 0.09596 0.19194 1.00000
  Ta6 Ta 0.95721 0.65402 0.30806 1.00000
  Ta7 Ta 0.34592 0.04279 0.69188 1.00000
  Ta8 Ta 0.90404 0.10091 0.80812 1.00000
  Co1 Co 0.27852 0.72141 0.99999 1.00000
  Co2 Co 0.12500 0.87499 0.24999 1.00000
  Co3 Co 0.12500 0.37500 0.25001 1.00000
  Co4 Co 0.72144 0.72145 0.00000 1.00000
  Co5 Co 0.72143 0.27854 0.00002 1.00000
  Co6 Co 0.97143 0.47145 0.49999 1.00000
  Co7 Co 0.62500 0.87501 0.75001 1.00000
  Co8 Co 0.12499 0.87499 0.74999 1.00000
  Co9 Co 0.52855 0.02856 0.50001 1.00000
  Co10 Co 0.52854 0.47143 0.50001 1.00000
  Co11 Co 0.27854 0.27856 1.00000 1.00000
  Co12 Co 0.97141 0.02853 0.49999 1.00000
  Ni1 Ni 0.27723 0.27719 0.55435 1.00000
  Ni2 Ni 0.72284 0.72285 0.44565 1.00000
  Ni3 Ni 0.52720 0.02720 0.05435 1.00000
  Ni4 Ni 0.97287 0.47283 0.94565 1.00000
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