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CaTc2Ag

Alexandria ALEX

Alex-ID: agm002812639 · Space group: I-42d (#122)

Basic Information

Formula
CaTc2Ag
Alex-ID
agm002812639
Elements
3
Sites
8
Space group
I-42d (#122)
Crystal system
tetragonal
Volume
160.40
ų
Cell a
7.9691
Å
Cell b
7.9691
Å
Cell c
6.1751
Å
α angle
49.82
°
β angle
49.82
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CaTc2Ag
Ca
2.00 · 25.0%
Tc
4.00 · 50.0%
Ag
2.00 · 25.0%

Energy & Stability

Energy above hull
1.2096
eV/atom
Formation energy
1.0456
eV/atom
Corrected total energy
-42.8055
eV
Raw total energy
-42.8055
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
10.3710
Total magnetisation
1.6724
μB

Additional Information

Prototype ID

ABC2_185_spg122

Decomposition

Tc CaAg

Computed at

2023-03-24 17:50:07.915529

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: agm002812639).

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 agm002812639
data_agm002812639
_cell_length_a     7.96907
_cell_length_b     7.96907
_cell_length_c     6.17515
_cell_angle_alpha  49.81529
_cell_angle_beta   49.81529
_cell_angle_gamma  90.00000
_cell_volume       160.39995
_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
  Tc1 Tc 0.65955 0.12500 0.25000 1.00000
  Tc2 Tc 0.09045 0.62500 0.25000 1.00000
  Tc3 Tc 0.37500 0.34045 0.75000 1.00000
  Tc4 Tc 0.87500 0.90955 0.75000 1.00000
  Ag1 Ag 0.00000 0.00000 0.00000 1.00000
  Ag2 Ag 0.75000 0.25000 0.50000 1.00000
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