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Ca4NiHg

Alexandria ALEX

Alex-ID: agm005807172 · Space group: C2/c (#15)

Basic Information

Formula
Ca4NiHg
Alex-ID
agm005807172
Elements
3
Sites
12
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
362.23
ų
Cell a
6.4059
Å
Cell b
8.3118
Å
Cell c
8.3118
Å
α angle
111.55
°
β angle
105.49
°
γ angle
105.49
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca4NiHg
Ca
8.00 · 66.7%
Ni
2.00 · 16.7%
Hg
2.00 · 16.7%

Energy & Stability

Energy above hull
0.0375
eV/atom
Formation energy
-0.2218
eV/atom
Corrected total energy
-30.9681
eV
Raw total energy
-30.9681
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0613
eV
DOS at Fermi level
8.6891
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC4_167_spg15

Decomposition

Ca2Ni Ca2Hg

Computed at

2023-07-27 09:06:59.095742

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: agm005807172).

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 agm005807172
data_agm005807172
_cell_length_a     6.40586
_cell_length_b     8.31179
_cell_length_c     8.31179
_cell_angle_alpha  111.54963
_cell_angle_beta   105.49308
_cell_angle_gamma  105.49307
_cell_volume       362.23486
_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
  Ca1 Ca 0.80606 0.64784 0.78015 1.00000
  Ca2 Ca 0.08031 0.94377 0.28711 1.00000
  Ca3 Ca 0.69394 0.21985 0.35216 1.00000
  Ca4 Ca 0.41969 0.71289 0.05623 1.00000
  Ca5 Ca 0.58031 0.28711 0.94377 1.00000
  Ca6 Ca 0.30606 0.78015 0.64784 1.00000
  Ca7 Ca 0.91969 0.05623 0.71289 1.00000
  Ca8 Ca 0.19394 0.35216 0.21985 1.00000
  Ni1 Ni 0.25000 0.99855 0.00145 1.00000
  Ni2 Ni 0.75000 0.00145 0.99855 1.00000
  Hg1 Hg 0.75000 0.63234 0.36766 1.00000
  Hg2 Hg 0.25000 0.36766 0.63234 1.00000
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