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Ti2AlNi2

Alexandria ALEX

Alex-ID: agm002197819 · Space group: Immm (#71)

Basic Information

Formula
Ti2AlNi2
Alex-ID
agm002197819
Elements
3
Sites
5
Space group
Immm (#71)
Crystal system
orthorhombic
Volume
71.25
ų
Cell a
4.0194
Å
Cell b
4.7858
Å
Cell c
4.7858
Å
α angle
62.73
°
β angle
65.17
°
γ angle
65.17
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ti2AlNi2
Ni
2.00 · 40.0%
Al
1.00 · 20.0%
Ti
2.00 · 40.0%

Energy & Stability

Energy above hull
0.0791
eV/atom
Formation energy
-0.4313
eV/atom
Corrected total energy
-33.2594
eV
Raw total energy
-33.2594
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
6.3640
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2_2_spg71

Decomposition

Ti3Al Ti2Ni TiAlNi2

Computed at

2018-06-25 12:53:04

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: agm002197819).

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 agm002197819
data_agm002197819
_cell_length_a     4.01935
_cell_length_b     4.78576
_cell_length_c     4.78576
_cell_angle_alpha  62.73138
_cell_angle_beta   65.16997
_cell_angle_gamma  65.16995
_cell_volume       71.24736
_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
  Ni1 Ni 0.50000 0.26703 0.73297 1.00000
  Ni2 Ni 0.50000 0.73297 0.26703 1.00000
  Al1 Al 0.00000 0.00000 0.00000 1.00000
  Ti1 Ti 0.79760 0.70240 0.70240 1.00000
  Ti2 Ti 0.20240 0.29760 0.29760 1.00000
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