Navigation

HEAS Data Platform · Materials Science Database

K2Ti3(NiSe4)2

Alexandria ALEX

Alex-ID: agm009201880 · Space group: C2/m (#12)

Basic Information

Formula
K2Ti3(NiSe4)2
Alex-ID
agm009201880
Elements
4
Sites
15
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
358.87
ų
Cell a
8.0829
Å
Cell b
8.0829
Å
Cell c
13.9574
Å
α angle
65.13
°
β angle
114.87
°
γ angle
154.13
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2Ti3(NiSe4)2
K
2.00 · 13.3%
Ti
3.00 · 20.0%
Ni
2.00 · 13.3%
Se
8.00 · 53.3%

Energy & Stability

Energy above hull
0.0081
eV/atom
Formation energy
-1.0052
eV/atom
Corrected total energy
-80.4599
eV
Raw total energy
-80.4599
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0072
eV
DOS at Fermi level
8.0793
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B2C3D8_15_spg12

Decomposition

K(TiSe2)4 Ni3Se4 Ni3Se2 KTiNiSe3

Computed at

2025-01-02 15:21:25

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: agm009201880).

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 agm009201880
data_agm009201880
_cell_length_a     8.08289
_cell_length_b     8.08289
_cell_length_c     13.95744
_cell_angle_alpha  65.12597
_cell_angle_beta   114.87403
_cell_angle_gamma  154.13392
_cell_volume       358.87008
_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 0.85203 0.14797 0.72050 1.00000
  K2 K 0.14797 0.85203 0.27950 1.00000
  Ti1 Ti 0.00000 0.00000 0.50000 1.00000
  Ti2 Ti 0.83410 0.16590 0.12759 1.00000
  Ti3 Ti 0.16590 0.83410 0.87241 1.00000
  Ni1 Ni 0.43298 0.56702 0.30336 1.00000
  Ni2 Ni 0.56702 0.43298 0.69664 1.00000
  Se1 Se 0.84496 0.15504 0.32000 1.00000
  Se2 Se 0.15504 0.84496 0.68000 1.00000
  Se3 Se 0.79784 0.20216 0.92567 1.00000
  Se4 Se 0.20216 0.79784 0.07433 1.00000
  Se5 Se 0.45575 0.54425 0.14820 1.00000
  Se6 Se 0.54425 0.45575 0.85180 1.00000
  Se7 Se 0.58577 0.41423 0.44109 1.00000
  Se8 Se 0.41423 0.58577 0.55891 1.00000
Get direct link