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KHfCuSe3

Alexandria ALEX

Alex-ID: agm088991875 · Space group: P2_1/m (#11)

Basic Information

Formula
KHfCuSe3
Alex-ID
agm088991875
Elements
4
Sites
24
Space group
P2_1/m (#11)
Crystal system
monoclinic
Volume
629.16
ų
Cell a
8.2588
Å
Cell b
3.9379
Å
Cell c
19.4440
Å
α angle
90.00
°
β angle
95.77
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KHfCuSe3
K
4.00 · 16.7%
Hf
4.00 · 16.7%
Cu
4.00 · 16.7%
Se
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0370
eV/atom
Formation energy
-1.0734
eV/atom
Corrected total energy
-128.5121
eV
Raw total energy
-128.5120
eV

Electronic Structure

Indirect band gap
0.1827
eV
Direct band gap
0.1903
eV
DOS at Fermi level
0.7817
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD3_1464_spg11

Decomposition

KHfCuSe3

Computed at

2025-03-16 07:26:15

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: agm088991875).

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 agm088991875
data_agm088991875
_cell_length_a     8.25876
_cell_length_b     3.93786
_cell_length_c     19.44395
_cell_angle_alpha  90.00000
_cell_angle_beta   95.76543
_cell_angle_gamma  90.00000
_cell_volume       629.15517
_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 0.41061 0.25000 0.14844 1.00000
  K2 K 0.58939 0.75000 0.85156 1.00000
  K3 K 0.15530 0.25000 0.63976 1.00000
  K4 K 0.84470 0.75000 0.36024 1.00000
  Hf1 Hf 0.90540 0.25000 0.07910 1.00000
  Hf2 Hf 0.09460 0.75000 0.92090 1.00000
  Hf3 Hf 0.62694 0.25000 0.58338 1.00000
  Hf4 Hf 0.37306 0.75000 0.41662 1.00000
  Cu1 Cu 0.85273 0.75000 0.17966 1.00000
  Cu2 Cu 0.14727 0.25000 0.82034 1.00000
  Cu3 Cu 0.75308 0.75000 0.69265 1.00000
  Cu4 Cu 0.24692 0.25000 0.30735 1.00000
  Se1 Se 0.12943 0.75000 0.06305 1.00000
  Se2 Se 0.87057 0.25000 0.93695 1.00000
  Se3 Se 0.31888 0.25000 0.92649 1.00000
  Se4 Se 0.68112 0.75000 0.07351 1.00000
  Se5 Se 0.15129 0.25000 0.42090 1.00000
  Se6 Se 0.84871 0.75000 0.57910 1.00000
  Se7 Se 0.39707 0.75000 0.56028 1.00000
  Se8 Se 0.60293 0.25000 0.43972 1.00000
  Se9 Se 0.41030 0.75000 0.28489 1.00000
  Se10 Se 0.58970 0.25000 0.71511 1.00000
  Se11 Se 0.01161 0.75000 0.78139 1.00000
  Se12 Se 0.98839 0.25000 0.21861 1.00000
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