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Sr2Y(CuGe)2

Alexandria ALEX

Alex-ID: agm023215512 · Space group: R-3m (#166)

Alexandria Database API

Basic Information

Formula
Sr2Y(CuGe)2
Alex-ID
agm023215512
Elements
4
Sites
7
Space group
R-3m (#166)
Crystal system
trigonal
Volume
187.24
ų
Cell a
11.8092
Å
Cell b
11.8092
Å
Cell c
11.8092
Å
α angle
21.12
°
β angle
21.12
°
γ angle
21.12
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sr2Y(CuGe)2
Sr
2.00 · 28.6%
Y
1.00 · 14.3%
Cu
2.00 · 28.6%
Ge
2.00 · 28.6%

Energy & Stability

Energy above hull
0.0234
eV/atom
Formation energy
-0.4969
eV/atom
Corrected total energy
-30.8752
eV
Raw total energy
-30.8752
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
3.7887
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2D2_16_spg166

Decomposition

YCuGe Sr2Ge Cu

Computed at

2025-04-18 00:57:32

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: agm023215512).

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 agm023215512
data_agm023215512
_cell_length_a     11.80923
_cell_length_b     11.80923
_cell_length_c     11.80923
_cell_angle_alpha  21.11803
_cell_angle_beta   21.11803
_cell_angle_gamma  21.11803
_cell_volume       187.23565
_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
  Sr1 Sr 0.88929 0.88929 0.88929 1.00000
  Sr2 Sr 0.11071 0.11071 0.11071 1.00000
  Y1 Y 0.00000 0.00000 0.00000 1.00000
  Cu1 Cu 0.38175 0.38175 0.38175 1.00000
  Cu2 Cu 0.61825 0.61825 0.61825 1.00000
  Ge1 Ge 0.28238 0.28238 0.28238 1.00000
  Ge2 Ge 0.71762 0.71762 0.71762 1.00000
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