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RbHfFe2

Alexandria ALEX

Alex-ID: agm002829062 · Space group: I4_1/amd (#141)

Basic Information

Formula
RbHfFe2
Alex-ID
agm002829062
Elements
3
Sites
8
Space group
I4_1/amd (#141)
Crystal system
tetragonal
Volume
199.14
ų
Cell a
4.7982
Å
Cell b
4.7982
Å
Cell c
9.2913
Å
α angle
75.04
°
β angle
75.04
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
RbHfFe2
Hf
2.00 · 25.0%
Fe
4.00 · 50.0%
Rb
2.00 · 25.0%

Energy & Stability

Energy above hull
1.5946
eV/atom
Formation energy
1.3320
eV/atom
Corrected total energy
-45.0368
eV
Raw total energy
-45.0368
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0058
eV
DOS at Fermi level
11.0053
Total magnetisation
7.0537
μB

Additional Information

Prototype ID

ABC2_139_spg141

Decomposition

HfFe2 Rb

Computed at

2017-01-21 06:34:37

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: agm002829062).

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 agm002829062
data_agm002829062
_cell_length_a     4.79821
_cell_length_b     4.79821
_cell_length_c     9.29131
_cell_angle_alpha  75.03615
_cell_angle_beta   75.03615
_cell_angle_gamma  90.00000
_cell_volume       199.13999
_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
  Hf1 Hf 0.00000 0.00000 0.00000 1.00000
  Hf2 Hf 0.75000 0.25000 0.50000 1.00000
  Fe1 Fe 0.87434 0.12500 0.25000 1.00000
  Fe2 Fe 0.87566 0.62500 0.25000 1.00000
  Fe3 Fe 0.37500 0.12566 0.75000 1.00000
  Fe4 Fe 0.87500 0.12434 0.75000 1.00000
  Rb1 Rb 0.50000 0.50000 0.00000 1.00000
  Rb2 Rb 0.25000 0.75000 0.50000 1.00000
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