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CoTc2GeH

Alexandria ALEX

Alex-ID: agm001635005 · Space group: P4/mmm (#123)

Alexandria Database API

Basic Information

Formula
CoTc2GeH
Alex-ID
agm001635005
Elements
4
Sites
5
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
56.13
ų
Cell a
4.1983
Å
Cell b
4.1983
Å
Cell c
3.1843
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CoTc2GeH
H
1.00 · 20.0%
Ge
1.00 · 20.0%
Co
1.00 · 20.0%
Tc
2.00 · 40.0%

Energy & Stability

Energy above hull
0.2137
eV/atom
Formation energy
0.0547
eV/atom
Corrected total energy
-35.4393
eV
Raw total energy
-35.4393
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0144
eV
DOS at Fermi level
5.7065
Total magnetisation
0.4921
μB

Additional Information

Prototype ID

ABCD2_2_spg123

Decomposition

Tc2H CoGe

Computed at

2020-03-09 08:26:30

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: agm001635005).

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 agm001635005
data_agm001635005
_cell_length_a     4.19830
_cell_length_b     4.19830
_cell_length_c     3.18435
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       56.12634
_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
  H1 H 0.00000 0.00000 0.00000 1.00000
  Ge1 Ge 0.50000 0.50000 0.50000 1.00000
  Co1 Co 0.00000 0.00000 0.50000 1.00000
  Tc1 Tc 0.00000 0.50000 0.00000 1.00000
  Tc2 Tc 0.50000 0.00000 0.00000 1.00000
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