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Ca2Ge7Rh12

Alexandria ALEX

Alex-ID: agm005659183 · Space group: P-6 (#174)

Alexandria Database API

Basic Information

Formula
Ca2Ge7Rh12
Alex-ID
agm005659183
Elements
3
Sites
21
Space group
P-6 (#174)
Crystal system
hexagonal
Volume
336.41
ų
Cell a
3.9395
Å
Cell b
9.9300
Å
Cell c
9.9300
Å
α angle
120.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca2Ge7Rh12
Ca
2.00 · 9.5%
Ge
7.00 · 33.3%
Rh
12.00 · 57.1%

Energy & Stability

Energy above hull
0.0021
eV/atom
Formation energy
-0.6426
eV/atom
Corrected total energy
-138.0376
eV
Raw total energy
-138.0376
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0002
eV
DOS at Fermi level
8.5562
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B7C12_1_spg174

Decomposition

Ca6Ge19Rh30 GeRh2 Rh

Computed at

2023-06-21 06:30:47.176305

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: agm005659183).

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 agm005659183
data_agm005659183
_cell_length_a     3.93951
_cell_length_b     9.92998
_cell_length_c     9.92998
_cell_angle_alpha  120.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       336.41037
_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 0.50000 0.00000 0.00000 1.00000
  Ca2 Ca 0.00000 0.66667 0.33333 1.00000
  Ge1 Ge 0.00000 0.33333 0.66667 1.00000
  Ge2 Ge 0.00000 0.04859 0.78446 1.00000
  Ge3 Ge 0.00000 0.73587 0.95141 1.00000
  Ge4 Ge 0.00000 0.21554 0.26413 1.00000
  Ge5 Ge 0.50000 0.62451 0.55491 1.00000
  Ge6 Ge 0.50000 0.93040 0.37549 1.00000
  Ge7 Ge 0.50000 0.44509 0.06960 1.00000
  Rh1 Rh 0.50000 0.89606 0.61307 1.00000
  Rh2 Rh 0.50000 0.71701 0.10394 1.00000
  Rh3 Rh 0.50000 0.38693 0.28299 1.00000
  Rh4 Rh 0.50000 0.23375 0.79094 1.00000
  Rh5 Rh 0.50000 0.55719 0.76625 1.00000
  Rh6 Rh 0.50000 0.20906 0.44281 1.00000
  Rh7 Rh 0.00000 0.05606 0.54404 1.00000
  Rh8 Rh 0.00000 0.48797 0.94394 1.00000
  Rh9 Rh 0.00000 0.45596 0.51203 1.00000
  Rh10 Rh 0.00000 0.77431 0.72730 1.00000
  Rh11 Rh 0.00000 0.95298 0.22569 1.00000
  Rh12 Rh 0.00000 0.27270 0.04702 1.00000
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