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KCd9Hg2

Alexandria ALEX

Alex-ID: agm003540944 · Space group: P6/mmm (#191)

Basic Information

Formula
KCd9Hg2
Alex-ID
agm003540944
Elements
3
Sites
12
Space group
P6/mmm (#191)
Crystal system
hexagonal
Volume
297.35
ų
Cell a
3.5138
Å
Cell b
9.8851
Å
Cell c
9.8851
Å
α angle
120.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KCd9Hg2
K
1.00 · 8.3%
Cd
9.00 · 75.0%
Hg
2.00 · 16.7%

Energy & Stability

Energy above hull
0.0817
eV/atom
Formation energy
0.0151
eV/atom
Corrected total energy
-9.9555
eV
Raw total energy
-9.9555
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
3.1881
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C9_9_spg191

Decomposition

KCd11 K2Hg7 Hg

Computed at

2022-03-18 22:12:28.353380

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: agm003540944).

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 agm003540944
data_agm003540944
_cell_length_a     3.51382
_cell_length_b     9.88510
_cell_length_c     9.88510
_cell_angle_alpha  120.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       297.35348
_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 0.00000 0.00000 0.00000 1.00000
  Cd1 Cd 0.50000 0.82052 0.17948 1.00000
  Cd2 Cd 0.00000 0.00000 0.50000 1.00000
  Cd3 Cd 0.00000 0.50000 0.50000 1.00000
  Cd4 Cd 0.50000 0.82052 0.64104 1.00000
  Cd5 Cd 0.50000 0.17948 0.82052 1.00000
  Cd6 Cd 0.50000 0.64105 0.82052 1.00000
  Cd7 Cd 0.50000 0.17948 0.35896 1.00000
  Cd8 Cd 0.00000 0.50000 0.00000 1.00000
  Cd9 Cd 0.50000 0.35895 0.17948 1.00000
  Hg1 Hg 0.00000 0.66667 0.33333 1.00000
  Hg2 Hg 0.00000 0.33333 0.66667 1.00000
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