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K3Nb2AsSe11

Alexandria ALEX

Alex-ID: agm003242519 · Space group: Cc (#9)

Basic Information

Formula
K3Nb2AsSe11
Alex-ID
agm003242519
Elements
4
Sites
34
Space group
Cc (#9)
Crystal system
monoclinic
Volume
1,016.32
ų
Cell a
10.1658
Å
Cell b
10.1658
Å
Cell c
10.0437
Å
α angle
83.10
°
β angle
83.10
°
γ angle
82.72
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K3Nb2AsSe11
K
6.00 · 17.6%
Nb
4.00 · 11.8%
As
2.00 · 5.9%
Se
22.00 · 64.7%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.7279
eV/atom
Corrected total energy
-157.7338
eV
Raw total energy
-157.7337
eV

Electronic Structure

Indirect band gap
1.2001
eV
Direct band gap
1.2426
eV
DOS at Fermi level
-0.0248
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3D11_4_spg9

Decomposition

K3Nb2AsSe11

Computed at

2021-12-17 00:33:52.345120

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: agm003242519).

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 agm003242519
data_agm003242519
_cell_length_a     10.16576
_cell_length_b     10.16576
_cell_length_c     10.04372
_cell_angle_alpha  83.10169
_cell_angle_beta   83.10169
_cell_angle_gamma  82.72471
_cell_volume       1016.31893
_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 0.90482 0.05153 0.75755 1.00000
  K2 K 0.05153 0.90482 0.25755 1.00000
  K3 K 0.80178 0.66240 0.91508 1.00000
  K4 K 0.66240 0.80178 0.41508 1.00000
  K5 K 0.26876 0.43478 0.15977 1.00000
  K6 K 0.43478 0.26876 0.65977 1.00000
  Nb1 Nb 0.41484 0.82236 0.83015 1.00000
  Nb2 Nb 0.82236 0.41484 0.33015 1.00000
  Nb3 Nb 0.15914 0.70790 0.64673 1.00000
  Nb4 Nb 0.70790 0.15914 0.14673 1.00000
  As1 As 0.03845 0.35606 0.60062 1.00000
  As2 As 0.35606 0.03845 0.10062 1.00000
  Se1 Se 0.14587 0.73983 0.90541 1.00000
  Se2 Se 0.73983 0.14587 0.40541 1.00000
  Se3 Se 0.26404 0.94015 0.62644 1.00000
  Se4 Se 0.94015 0.26404 0.12644 1.00000
  Se5 Se 0.44153 0.63698 0.66588 1.00000
  Se6 Se 0.63698 0.44153 0.16588 1.00000
  Se7 Se 0.19573 0.50599 0.49253 1.00000
  Se8 Se 0.50599 0.19573 0.99253 1.00000
  Se9 Se 0.22988 0.02505 0.90705 1.00000
  Se10 Se 0.02505 0.22988 0.40705 1.00000
  Se11 Se 0.13055 0.51933 0.84393 1.00000
  Se12 Se 0.51933 0.13055 0.34393 1.00000
  Se13 Se 0.45098 0.81035 0.08896 1.00000
  Se14 Se 0.81035 0.45098 0.58896 1.00000
  Se15 Se 0.49549 0.57059 0.89073 1.00000
  Se16 Se 0.57059 0.49549 0.39073 1.00000
  Se17 Se 0.31169 0.81140 0.43726 1.00000
  Se18 Se 0.81140 0.31169 0.93726 1.00000
  Se19 Se 0.60061 0.93904 0.74554 1.00000
  Se20 Se 0.93904 0.60061 0.24554 1.00000
  Se21 Se 0.94094 0.78677 0.58694 1.00000
  Se22 Se 0.78677 0.94094 0.08694 1.00000
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