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Y2Co2Ge

Alexandria ALEX

Alex-ID: agm003400331 · Space group: C2/c (#15)

Basic Information

Formula
Y2Co2Ge
Alex-ID
agm003400331
Elements
3
Sites
10
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
182.16
ų
Cell a
5.3941
Å
Cell b
5.3599
Å
Cell c
7.4918
Å
α angle
101.46
°
β angle
90.00
°
γ angle
120.21
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Y2Co2Ge
Y
4.00 · 40.0%
Co
4.00 · 40.0%
Ge
2.00 · 20.0%

Energy & Stability

Energy above hull
0.0406
eV/atom
Formation energy
-0.4639
eV/atom
Corrected total energy
-68.2208
eV
Raw total energy
-68.2208
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0178
eV
DOS at Fermi level
9.5952
Total magnetisation
0.0007
μB

Additional Information

Prototype ID

AB2C2_1396_spg15

Decomposition

Y3CoGe2 YCo3

Computed at

2022-02-10 04:21:26.475525

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: agm003400331).

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 agm003400331
data_agm003400331
_cell_length_a     5.39406
_cell_length_b     5.35988
_cell_length_c     7.49177
_cell_angle_alpha  101.46179
_cell_angle_beta   90.00000
_cell_angle_gamma  120.21117
_cell_volume       182.16371
_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
  Y1 Y 0.50435 0.29556 0.14714 1.00000
  Y2 Y 0.20879 0.70444 0.35286 1.00000
  Y3 Y 0.49565 0.70444 0.85286 1.00000
  Y4 Y 0.79121 0.29556 0.64714 1.00000
  Co1 Co 0.72049 0.72249 0.49855 1.00000
  Co2 Co 0.99801 0.27751 0.00145 1.00000
  Co3 Co 0.27951 0.27751 0.50145 1.00000
  Co4 Co 0.00199 0.72249 0.99855 1.00000
  Ge1 Ge 0.87060 0.00000 0.25000 1.00000
  Ge2 Ge 0.12940 1.00000 0.75000 1.00000
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