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K4Ca2TiSb4

Alexandria ALEX

Alex-ID: agm020179529 · Space group: Cc (#9)

Basic Information

Formula
K4Ca2TiSb4
Alex-ID
agm020179529
Elements
4
Sites
22
Space group
Cc (#9)
Crystal system
monoclinic
Volume
803.55
ų
Cell a
10.8338
Å
Cell b
10.8338
Å
Cell c
7.8914
Å
α angle
87.40
°
β angle
92.60
°
γ angle
60.58
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K4Ca2TiSb4
K
8.00 · 36.4%
Ca
4.00 · 18.2%
Ti
2.00 · 9.1%
Sb
8.00 · 36.4%

Energy & Stability

Energy above hull
0.0194
eV/atom
Formation energy
-0.6306
eV/atom
Corrected total energy
-79.4673
eV
Raw total energy
-79.4672
eV

Electronic Structure

Indirect band gap
1.2038
eV
Direct band gap
1.2038
eV
DOS at Fermi level
-0.0156
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C4D4_82_spg1

Decomposition

KSb K8TiSb4 KCaSb TiSb

Computed at

2025-02-07 07:37:42

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: agm020179529).

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 agm020179529
data_agm020179529
_cell_length_a     10.83377
_cell_length_b     10.83377
_cell_length_c     7.89144
_cell_angle_alpha  87.40446
_cell_angle_beta   92.59554
_cell_angle_gamma  60.58337
_cell_volume       803.54737
_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 0.95550 0.51840 0.60495 1.00000
  K2 K 0.48160 0.04450 0.10495 1.00000
  K3 K 0.71290 0.13714 0.84632 1.00000
  K4 K 0.12494 0.73626 0.75985 1.00000
  K5 K 0.14703 0.14737 0.81175 1.00000
  K6 K 0.26374 0.87506 0.25985 1.00000
  K7 K 0.86286 0.28710 0.34632 1.00000
  K8 K 0.85263 0.85297 0.31175 1.00000
  Ca1 Ca 0.52964 0.92981 0.59678 1.00000
  Ca2 Ca 0.52089 0.52033 0.61594 1.00000
  Ca3 Ca 0.07019 0.47036 0.09678 1.00000
  Ca4 Ca 0.47967 0.47911 0.11594 1.00000
  Ti1 Ti 0.34006 0.33357 0.49652 1.00000
  Ti2 Ti 0.66643 0.65994 0.99652 1.00000
  Sb1 Sb 0.39956 0.78858 0.84753 1.00000
  Sb2 Sb 0.79951 0.39049 0.91302 1.00000
  Sb3 Sb 0.80735 0.78883 0.88624 1.00000
  Sb4 Sb 0.60951 0.20049 0.41302 1.00000
  Sb5 Sb 0.21142 0.60044 0.34753 1.00000
  Sb6 Sb 0.21117 0.19265 0.38624 1.00000
  Sb7 Sb 0.33147 0.36371 0.83691 1.00000
  Sb8 Sb 0.63629 0.66853 0.33691 1.00000
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