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Ca(TcB)4

Alexandria ALEX

Alex-ID: agm006042811 · Space group: P4_2/n (#86)

Basic Information

Formula
Ca(TcB)4
Alex-ID
agm006042811
Elements
3
Sites
18
Space group
P4_2/n (#86)
Crystal system
tetragonal
Volume
230.94
ų
Cell a
4.2413
Å
Cell b
7.3790
Å
Cell c
7.3790
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca(TcB)4
Ca
2.00 · 11.1%
Tc
8.00 · 44.4%
B
8.00 · 44.4%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.3451
eV/atom
Corrected total energy
-146.5627
eV
Raw total energy
-146.5627
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0278
eV
DOS at Fermi level
7.5879
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB4C4_233_spg86

Decomposition

Ca(TcB)4

Computed at

2023-08-10 20:45:02.527168

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: agm006042811).

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 agm006042811
data_agm006042811
_cell_length_a     4.24127
_cell_length_b     7.37899
_cell_length_c     7.37899
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       230.93515
_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 0.00000 0.00000 0.00000 1.00000
  Ca2 Ca 0.50000 0.50000 0.50000 1.00000
  Tc1 Tc 0.36409 0.36727 0.87377 1.00000
  Tc2 Tc 0.86409 0.62623 0.86727 1.00000
  Tc3 Tc 0.36409 0.63273 0.12623 1.00000
  Tc4 Tc 0.13591 0.13273 0.62623 1.00000
  Tc5 Tc 0.63591 0.87377 0.63273 1.00000
  Tc6 Tc 0.13591 0.86727 0.37377 1.00000
  Tc7 Tc 0.86409 0.37377 0.13273 1.00000
  Tc8 Tc 0.63591 0.12623 0.36727 1.00000
  B1 B 0.63339 0.82478 0.31601 1.00000
  B2 B 0.63339 0.17522 0.68399 1.00000
  B3 B 0.13339 0.81601 0.67522 1.00000
  B4 B 0.86661 0.32478 0.81601 1.00000
  B5 B 0.86661 0.67522 0.18399 1.00000
  B6 B 0.36661 0.31601 0.17522 1.00000
  B7 B 0.36661 0.68399 0.82478 1.00000
  B8 B 0.13339 0.18399 0.32478 1.00000
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