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Ca2GeB2Ru5

Alexandria ALEX

Alex-ID: agm005129598 · Space group: P4/mbm (#127)

Alexandria Database API

Basic Information

Formula
Ca2GeB2Ru5
Alex-ID
agm005129598
Elements
4
Sites
20
Space group
P4/mbm (#127)
Crystal system
tetragonal
Volume
281.73
ų
Cell a
3.0141
Å
Cell b
9.6681
Å
Cell c
9.6681
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca2GeB2Ru5
Ca
4.00 · 20.0%
Ge
2.00 · 10.0%
B
4.00 · 20.0%
Ru
10.00 · 50.0%

Energy & Stability

Energy above hull
0.1692
eV/atom
Formation energy
-0.1802
eV/atom
Corrected total energy
-140.3161
eV
Raw total energy
-140.3161
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0075
eV
DOS at Fermi level
20.3237
Total magnetisation
0.0001
μB

Additional Information

Prototype ID

AB2C2D5_6_spg127

Decomposition

CaGeRu Ca2B8Ru7 Ca2Ge Ru

Computed at

2022-07-14 12:58:52.187815

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: agm005129598).

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 agm005129598
data_agm005129598
_cell_length_a     3.01407
_cell_length_b     9.66813
_cell_length_c     9.66813
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       281.73351
_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 0.67686 0.17686 1.00000
  Ca2 Ca 0.00000 0.32314 0.82314 1.00000
  Ca3 Ca 0.00000 0.17686 0.32314 1.00000
  Ca4 Ca 0.00000 0.82314 0.67686 1.00000
  Ge1 Ge 0.00000 0.00000 0.00000 1.00000
  Ge2 Ge 0.00000 0.50000 0.50000 1.00000
  B1 B 0.00000 0.12337 0.62337 1.00000
  B2 B 0.00000 0.87663 0.37663 1.00000
  B3 B 0.00000 0.62337 0.87663 1.00000
  B4 B 0.00000 0.37663 0.12337 1.00000
  Ru1 Ru 0.50000 0.21661 0.06644 1.00000
  Ru2 Ru 0.50000 0.78339 0.93356 1.00000
  Ru3 Ru 0.50000 0.06644 0.78339 1.00000
  Ru4 Ru 0.50000 0.71661 0.43356 1.00000
  Ru5 Ru 0.50000 0.93356 0.21661 1.00000
  Ru6 Ru 0.50000 0.28339 0.56644 1.00000
  Ru7 Ru 0.50000 0.56644 0.71661 1.00000
  Ru8 Ru 0.50000 0.43356 0.28339 1.00000
  Ru9 Ru 0.50000 0.50000 0.00000 1.00000
  Ru10 Ru 0.50000 0.00000 0.50000 1.00000
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