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TcHg

Alexandria ALEX

Alex-ID: agm005495489 · Space group: P6_3/mmc (#194)

Basic Information

Formula
TcHg
Alex-ID
agm005495489
Elements
2
Sites
8
Space group
P6_3/mmc (#194)
Crystal system
hexagonal
Volume
157.36
ų
Cell a
4.2902
Å
Cell b
4.2902
Å
Cell c
9.8722
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
TcHg
Tc
4.00 · 50.0%
Hg
4.00 · 50.0%

Energy & Stability

Energy above hull
0.6318
eV/atom
Formation energy
0.6318
eV/atom
Corrected total energy
-37.8536
eV
Raw total energy
-37.8536
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0139
eV
DOS at Fermi level
5.8174
Total magnetisation
0.0031
μB

Additional Information

Prototype ID

AB_68_spg194

Decomposition

Hg Tc

Computed at

2023-03-19 04:40:47.867998

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: agm005495489).

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 agm005495489
data_agm005495489
_cell_length_a     4.29022
_cell_length_b     4.29022
_cell_length_c     9.87217
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       157.36319
_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
  Tc1 Tc 0.00000 0.00000 0.75000 1.00000
  Tc2 Tc 0.00000 0.00000 0.25000 1.00000
  Tc3 Tc 0.66667 0.33333 0.25000 1.00000
  Tc4 Tc 0.33333 0.66667 0.75000 1.00000
  Hg1 Hg 0.66667 0.33333 0.91892 1.00000
  Hg2 Hg 0.33333 0.66667 0.41892 1.00000
  Hg3 Hg 0.33333 0.66667 0.08108 1.00000
  Hg4 Hg 0.66667 0.33333 0.58108 1.00000
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