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Tm2Ni2Se

Alexandria ALEX

Alex-ID: agm044646996 · Space group: R-3m (#166)

Basic Information

Formula
Tm2Ni2Se
Alex-ID
agm044646996
Elements
3
Sites
5
Space group
R-3m (#166)
Crystal system
trigonal
Volume
99.12
ų
Cell a
7.7519
Å
Cell b
7.7519
Å
Cell c
7.7519
Å
α angle
29.36
°
β angle
29.36
°
γ angle
29.36
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Tm2Ni2Se
Tm
2.00 · 40.0%
Ni
2.00 · 40.0%
Se
1.00 · 20.0%

Energy & Stability

Energy above hull
0.0037
eV/atom
Formation energy
-0.9764
eV/atom
Corrected total energy
-28.8831
eV
Raw total energy
-28.8831
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0041
eV
DOS at Fermi level
4.3045
Total magnetisation
0.1710
μB

Additional Information

Prototype ID

AB2C2_5147_spg166

Decomposition

TmNi2 Tm5Se6 Tm6NiSe5

Computed at

2025-02-28 01:38:17

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: agm044646996).

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 agm044646996
data_agm044646996
_cell_length_a     7.75187
_cell_length_b     7.75187
_cell_length_c     7.75187
_cell_angle_alpha  29.36343
_cell_angle_beta   29.36343
_cell_angle_gamma  29.36343
_cell_volume       99.11724
_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
  Tm1 Tm 0.41826 0.41826 0.41826 1.00000
  Tm2 Tm 0.58174 0.58174 0.58174 1.00000
  Ni1 Ni 0.17044 0.17044 0.17044 1.00000
  Ni2 Ni 0.82956 0.82956 0.82956 1.00000
  Se1 Se 0.00000 0.00000 0.00000 1.00000
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