Navigation

HEAS Data Platform · Materials Science Database

Er2SiGe2Rh5

Alexandria ALEX

Alex-ID: agm005129569 · Space group: P4/mbm (#127)

Alexandria Database API

Basic Information

Formula
Er2SiGe2Rh5
Alex-ID
agm005129569
Elements
4
Sites
20
Space group
P4/mbm (#127)
Crystal system
tetragonal
Volume
329.39
ų
Cell a
3.5277
Å
Cell b
9.6629
Å
Cell c
9.6629
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Er2SiGe2Rh5
Er
4.00 · 20.0%
Si
2.00 · 10.0%
Ge
4.00 · 20.0%
Rh
10.00 · 50.0%

Energy & Stability

Energy above hull
0.1500
eV/atom
Formation energy
-0.7902
eV/atom
Corrected total energy
-136.8855
eV
Raw total energy
-136.8855
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
9.1062
Total magnetisation
-0.0001
μB

Additional Information

Prototype ID

AB2C2D5_50_spg127

Decomposition

Er3Ge4Rh7 ErSi2Rh3

Computed at

2022-07-15 05:29:55.657365

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: agm005129569).

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 agm005129569
data_agm005129569
_cell_length_a     3.52770
_cell_length_b     9.66289
_cell_length_c     9.66289
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       329.38684
_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
  Er1 Er 0.00000 0.67339 0.17339 1.00000
  Er2 Er 0.00000 0.32661 0.82661 1.00000
  Er3 Er 0.00000 0.17339 0.32661 1.00000
  Er4 Er 0.00000 0.82661 0.67339 1.00000
  Si1 Si 0.00000 0.00000 0.00000 1.00000
  Si2 Si 0.00000 0.50000 0.50000 1.00000
  Ge1 Ge 0.00000 0.12620 0.62620 1.00000
  Ge2 Ge 0.00000 0.87380 0.37380 1.00000
  Ge3 Ge 0.00000 0.62620 0.87380 1.00000
  Ge4 Ge 0.00000 0.37380 0.12620 1.00000
  Rh1 Rh 0.50000 0.20112 0.06489 1.00000
  Rh2 Rh 0.50000 0.79888 0.93511 1.00000
  Rh3 Rh 0.50000 0.06489 0.79888 1.00000
  Rh4 Rh 0.50000 0.70112 0.43511 1.00000
  Rh5 Rh 0.50000 0.93511 0.20112 1.00000
  Rh6 Rh 0.50000 0.29888 0.56489 1.00000
  Rh7 Rh 0.50000 0.56489 0.70112 1.00000
  Rh8 Rh 0.50000 0.43511 0.29888 1.00000
  Rh9 Rh 0.50000 0.50000 0.00000 1.00000
  Rh10 Rh 0.50000 0.00000 0.50000 1.00000
Get direct link