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K3NbTe4

Alexandria ALEX

Alex-ID: agm015586906 · Space group: Pnma (#62)

Basic Information

Formula
K3NbTe4
Alex-ID
agm015586906
Elements
3
Sites
32
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
1,303.16
ų
Cell a
11.9260
Å
Cell b
10.4745
Å
Cell c
10.4321
Å
α angle
90.02
°
β angle
90.01
°
γ angle
90.09
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K3NbTe4
K
12.00 · 37.5%
Nb
4.00 · 12.5%
Te
16.00 · 50.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.8075
eV/atom
Corrected total energy
-129.6116
eV
Raw total energy
-129.6116
eV

Electronic Structure

Indirect band gap
1.1061
eV
Direct band gap
1.1061
eV
DOS at Fermi level
-0.0091
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB3C4_1170_spg62

Decomposition

K3NbTe4

Computed at

2025-01-29 21:58:41

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: agm015586906).

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 agm015586906
data_agm015586906
_cell_length_a     11.92596
_cell_length_b     10.47447
_cell_length_c     10.43213
_cell_angle_alpha  90.01779
_cell_angle_beta   90.01471
_cell_angle_gamma  90.09221
_cell_volume       1303.16005
_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 0.74908 0.59103 0.62183 1.00000
  K2 K 0.24907 0.09117 0.87830 1.00000
  K3 K 0.25092 0.40897 0.37817 1.00000
  K4 K 0.75093 0.90883 0.12170 1.00000
  K5 K 0.45095 0.70367 0.05587 1.00000
  K6 K 0.04907 0.79628 0.55582 1.00000
  K7 K 0.54903 0.20310 0.44468 1.00000
  K8 K 0.95095 0.29694 0.94465 1.00000
  K9 K 0.54905 0.29633 0.94413 1.00000
  K10 K 0.95093 0.20372 0.44418 1.00000
  K11 K 0.45097 0.79690 0.55532 1.00000
  K12 K 0.04905 0.70306 0.05535 1.00000
  Nb1 Nb 0.25035 0.51572 0.78898 1.00000
  Nb2 Nb 0.24969 0.98444 0.28900 1.00000
  Nb3 Nb 0.75031 0.01556 0.71100 1.00000
  Nb4 Nb 0.74965 0.48428 0.21102 1.00000
  Te1 Te 0.43247 0.44763 0.66513 1.00000
  Te2 Te 0.93160 0.55289 0.33525 1.00000
  Te3 Te 0.06753 0.05260 0.16515 1.00000
  Te4 Te 0.56844 0.94691 0.83527 1.00000
  Te5 Te 0.74995 0.58599 0.97957 1.00000
  Te6 Te 0.75003 0.91374 0.47950 1.00000
  Te7 Te 0.24997 0.08626 0.52050 1.00000
  Te8 Te 0.25005 0.41401 0.02043 1.00000
  Te9 Te 0.74966 0.23446 0.18979 1.00000
  Te10 Te 0.75031 0.26540 0.68984 1.00000
  Te11 Te 0.24969 0.73460 0.31016 1.00000
  Te12 Te 0.25034 0.76554 0.81021 1.00000
  Te13 Te 0.56753 0.55237 0.33487 1.00000
  Te14 Te 0.93247 0.94740 0.83485 1.00000
  Te15 Te 0.43156 0.05309 0.16473 1.00000
  Te16 Te 0.06840 0.44711 0.66475 1.00000
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