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K2Ti(NbSe3)2

Alexandria ALEX

Alex-ID: agm004580258 · Space group: C2/m (#12)

Basic Information

Formula
K2Ti(NbSe3)2
Alex-ID
agm004580258
Elements
4
Sites
11
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
284.28
ų
Cell a
6.3642
Å
Cell b
6.3642
Å
Cell c
8.2840
Å
α angle
96.11
°
β angle
96.11
°
γ angle
119.88
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2Ti(NbSe3)2
K
2.00 · 18.2%
Ti
1.00 · 9.1%
Nb
2.00 · 18.2%
Se
6.00 · 54.5%

Energy & Stability

Energy above hull
0.0700
eV/atom
Formation energy
-1.0349
eV/atom
Corrected total energy
-62.5667
eV
Raw total energy
-62.5667
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.1235
eV
DOS at Fermi level
5.1567
Total magnetisation
0.1518
μB

Additional Information

Prototype ID

AB2C2D6_25_spg12

Decomposition

K3(TiSe2)5 K5(TiSe3)2 K(Ti3Se4)4 K2(NbSe2)3

Computed at

2022-06-23 23:30:50.166949

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: agm004580258).

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 agm004580258
data_agm004580258
_cell_length_a     6.36423
_cell_length_b     6.36423
_cell_length_c     8.28403
_cell_angle_alpha  96.11350
_cell_angle_beta   96.11350
_cell_angle_gamma  119.88014
_cell_volume       284.27774
_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
  K1 K 0.82032 0.17968 0.00000 1.00000
  K2 K 0.17968 0.82032 0.00000 1.00000
  Ti1 Ti 0.00000 0.00000 0.50000 1.00000
  Nb1 Nb 0.36639 0.63361 0.50000 1.00000
  Nb2 Nb 0.63361 0.36639 0.50000 1.00000
  Se1 Se 0.74326 0.74326 0.71606 1.00000
  Se2 Se 0.04687 0.38528 0.68136 1.00000
  Se3 Se 0.25674 0.25674 0.28394 1.00000
  Se4 Se 0.38528 0.04687 0.68136 1.00000
  Se5 Se 0.95313 0.61472 0.31864 1.00000
  Se6 Se 0.61472 0.95313 0.31864 1.00000
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