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Rb3Co2H9

Alexandria ALEX

Alex-ID: agm006356550 · Space group: R-3c (#167)

Basic Information

Formula
Rb3Co2H9
Alex-ID
agm006356550
Elements
3
Sites
28
Space group
R-3c (#167)
Crystal system
trigonal
Volume
413.70
ų
Cell a
7.5379
Å
Cell b
7.5379
Å
Cell c
7.5379
Å
α angle
80.91
°
β angle
80.91
°
γ angle
80.91
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb3Co2H9
Rb
6.00 · 21.4%
Co
4.00 · 14.3%
H
18.00 · 64.3%

Energy & Stability

Energy above hull
0.0291
eV/atom
Formation energy
-0.2158
eV/atom
Corrected total energy
-98.6581
eV
Raw total energy
-98.6581
eV

Electronic Structure

Indirect band gap
1.3353
eV
Direct band gap
1.3356
eV
DOS at Fermi level
-0.0098
Total magnetisation
-0.3988
μB

Additional Information

Prototype ID

A2B3C9_26_spg167

Decomposition

Rb3Co2H9

Computed at

2024-10-26 22:37:11.546271

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: agm006356550).

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 agm006356550
data_agm006356550
_cell_length_a     7.53788
_cell_length_b     7.53788
_cell_length_c     7.53788
_cell_angle_alpha  80.90724
_cell_angle_beta   80.90724
_cell_angle_gamma  80.90724
_cell_volume       413.69618
_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
  Rb1 Rb 0.40815 0.75000 0.09185 1.00000
  Rb2 Rb 0.25000 0.90815 0.59185 1.00000
  Rb3 Rb 0.90815 0.59185 0.25000 1.00000
  Rb4 Rb 0.09185 0.40815 0.75000 1.00000
  Rb5 Rb 0.75000 0.09185 0.40815 1.00000
  Rb6 Rb 0.59185 0.25000 0.90815 1.00000
  Co1 Co 0.17568 0.17568 0.17568 1.00000
  Co2 Co 0.67568 0.67568 0.67568 1.00000
  Co3 Co 0.82432 0.82432 0.82432 1.00000
  Co4 Co 0.32432 0.32432 0.32432 1.00000
  H1 H 0.77258 0.89154 0.00598 1.00000
  H2 H 0.10846 0.99402 0.22742 1.00000
  H3 H 0.25000 0.38046 0.11954 1.00000
  H4 H 0.60846 0.72742 0.49402 1.00000
  H5 H 0.61954 0.88046 0.75000 1.00000
  H6 H 0.88046 0.75000 0.61954 1.00000
  H7 H 0.27258 0.50598 0.39154 1.00000
  H8 H 0.50598 0.39154 0.27258 1.00000
  H9 H 0.99402 0.22742 0.10846 1.00000
  H10 H 0.00598 0.77258 0.89154 1.00000
  H11 H 0.49402 0.60846 0.72742 1.00000
  H12 H 0.38046 0.11954 0.25000 1.00000
  H13 H 0.72742 0.49402 0.60846 1.00000
  H14 H 0.11954 0.25000 0.38046 1.00000
  H15 H 0.39154 0.27258 0.50598 1.00000
  H16 H 0.75000 0.61954 0.88046 1.00000
  H17 H 0.89154 0.00598 0.77258 1.00000
  H18 H 0.22742 0.10846 0.99402 1.00000
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