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K4Ta3S14

Alexandria ALEX

Alex-ID: agm008185014 · Space group: C2/c (#15)

Basic Information

Formula
K4Ta3S14
Alex-ID
agm008185014
Elements
3
Sites
42
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
1,054.95
ų
Cell a
11.2910
Å
Cell b
11.2910
Å
Cell c
13.4354
Å
α angle
67.24
°
β angle
112.76
°
γ angle
137.39
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K4Ta3S14
K
8.00 · 19.0%
Ta
6.00 · 14.3%
S
28.00 · 66.7%

Energy & Stability

Energy above hull
0.1025
eV/atom
Formation energy
-1.2629
eV/atom
Corrected total energy
-248.5433
eV
Raw total energy
-229.9664
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0009
eV
DOS at Fermi level
13.6658
Total magnetisation
-0.0078
μB

Additional Information

Prototype ID

A3B4C14_12_spg15

Decomposition

K3Ta2S11 KTaS3

Computed at

2025-01-07 03:15:21

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: agm008185014).

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 agm008185014
data_agm008185014
_cell_length_a     11.29098
_cell_length_b     11.29098
_cell_length_c     13.43537
_cell_angle_alpha  67.24118
_cell_angle_beta   112.75882
_cell_angle_gamma  137.38754
_cell_volume       1054.94594
_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 0.02290 0.62346 0.61778 1.00000
  K2 K 0.37654 0.97710 0.11778 1.00000
  K3 K 0.18738 0.33075 0.85235 1.00000
  K4 K 0.66925 0.81262 0.35235 1.00000
  K5 K 0.33075 0.18738 0.64765 1.00000
  K6 K 0.81262 0.66925 0.14765 1.00000
  K7 K 0.62346 0.02290 0.88222 1.00000
  K8 K 0.97710 0.37654 0.38222 1.00000
  Ta1 Ta 0.58091 0.92768 0.58224 1.00000
  Ta2 Ta 0.07232 0.41909 0.08224 1.00000
  Ta3 Ta 0.76779 0.76779 0.75000 1.00000
  Ta4 Ta 0.23221 0.23221 0.25000 1.00000
  Ta5 Ta 0.92768 0.58091 0.91776 1.00000
  Ta6 Ta 0.41909 0.07232 0.41776 1.00000
  S1 S 0.07380 0.90398 0.87407 1.00000
  S2 S 0.19791 0.85053 0.83960 1.00000
  S3 S 0.09602 0.92620 0.37407 1.00000
  S4 S 0.42544 0.98371 0.61158 1.00000
  S5 S 0.14947 0.80209 0.33960 1.00000
  S6 S 0.01629 0.57456 0.11158 1.00000
  S7 S 0.29967 0.59696 0.58861 1.00000
  S8 S 0.55683 0.75584 0.78191 1.00000
  S9 S 0.81614 0.88961 0.89757 1.00000
  S10 S 0.52277 0.66189 0.57698 1.00000
  S11 S 0.40304 0.70033 0.08861 1.00000
  S12 S 0.24416 0.44317 0.28191 1.00000
  S13 S 0.66189 0.52277 0.92302 1.00000
  S14 S 0.11039 0.18386 0.39757 1.00000
  S15 S 0.88961 0.81614 0.60243 1.00000
  S16 S 0.33811 0.47723 0.07698 1.00000
  S17 S 0.75584 0.55683 0.71809 1.00000
  S18 S 0.59696 0.29967 0.91139 1.00000
  S19 S 0.47723 0.33811 0.42302 1.00000
  S20 S 0.18386 0.11039 0.10243 1.00000
  S21 S 0.44317 0.24416 0.21809 1.00000
  S22 S 0.70033 0.40304 0.41139 1.00000
  S23 S 0.98371 0.42544 0.88842 1.00000
  S24 S 0.85053 0.19791 0.66040 1.00000
  S25 S 0.57456 0.01629 0.38842 1.00000
  S26 S 0.90398 0.07380 0.62593 1.00000
  S27 S 0.80209 0.14947 0.16040 1.00000
  S28 S 0.92620 0.09602 0.12593 1.00000
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