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CaTcAu2

Alexandria ALEX

Alex-ID: agm002812664 · Space group: I-42d (#122)

Basic Information

Formula
CaTcAu2
Alex-ID
agm002812664
Elements
3
Sites
8
Space group
I-42d (#122)
Crystal system
tetragonal
Volume
202.39
ų
Cell a
4.8239
Å
Cell b
4.8239
Å
Cell c
9.3424
Å
α angle
75.04
°
β angle
75.04
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CaTcAu2
Ca
2.00 · 25.0%
Au
4.00 · 50.0%
Tc
2.00 · 25.0%

Energy & Stability

Energy above hull
0.9814
eV/atom
Formation energy
0.4489
eV/atom
Corrected total energy
-34.2546
eV
Raw total energy
-34.2546
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
6.5233
Total magnetisation
3.6697
μB

Additional Information

Prototype ID

ABC2_139_spg141

Decomposition

CaAu2 Tc

Computed at

2016-03-15 12:36:04

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: agm002812664).

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 agm002812664
data_agm002812664
_cell_length_a     4.82395
_cell_length_b     4.82395
_cell_length_c     9.34240
_cell_angle_alpha  75.03820
_cell_angle_beta   75.03820
_cell_angle_gamma  90.00000
_cell_volume       202.39314
_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 0.50000 0.50000 0.00000 1.00000
  Ca2 Ca 0.25000 0.75000 0.50000 1.00000
  Au1 Au 0.70972 0.12500 0.25000 1.00000
  Au2 Au 0.04028 0.62500 0.25000 1.00000
  Au3 Au 0.37500 0.29028 0.75000 1.00000
  Au4 Au 0.87500 0.95972 0.75000 1.00000
  Tc1 Tc 0.00000 0.00000 0.00000 1.00000
  Tc2 Tc 0.75000 0.25000 0.50000 1.00000
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