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HfMg(H4Ru)2

Alexandria ALEX

Alex-ID: agm007622334 · Space group: C2/m (#12)

Basic Information

Formula
HfMg(H4Ru)2
Alex-ID
agm007622334
Elements
4
Sites
12
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
97.47
ų
Cell a
3.4281
Å
Cell b
4.8431
Å
Cell c
6.8377
Å
α angle
67.85
°
β angle
75.50
°
γ angle
69.33
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
HfMg(H4Ru)2
Hf
1.00 · 8.3%
Mg
1.00 · 8.3%
H
8.00 · 66.7%
Ru
2.00 · 16.7%

Energy & Stability

Energy above hull
0.1286
eV/atom
Formation energy
-0.2268
eV/atom
Corrected total energy
-58.7395
eV
Raw total energy
-58.7395
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0461
eV
DOS at Fermi level
3.5601
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D8_4_spg155

Decomposition

HfH3Ru H2 Mg2H6Ru H8Ru3

Computed at

2025-05-28 05:04:56

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: agm007622334).

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 agm007622334
data_agm007622334
_cell_length_a     3.42808
_cell_length_b     4.84309
_cell_length_c     6.83765
_cell_angle_alpha  67.85443
_cell_angle_beta   75.49515
_cell_angle_gamma  69.32749
_cell_volume       97.47069
_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 0.50000 0.50000 0.50000 1.00000
  Mg1 Mg 0.00000 0.00000 0.00000 1.00000
  H1 H 0.18139 0.16433 0.47334 1.00000
  H2 H 0.41114 0.98793 0.18994 1.00000
  H3 H 0.81861 0.83567 0.52666 1.00000
  H4 H 0.73484 0.26621 0.26312 1.00000
  H5 H 0.26516 0.73379 0.73688 1.00000
  H6 H 0.01635 0.68098 0.28492 1.00000
  H7 H 0.98365 0.31902 0.71508 1.00000
  H8 H 0.58886 0.01207 0.81006 1.00000
  Ru1 Ru 0.21722 0.34821 0.21664 1.00000
  Ru2 Ru 0.78278 0.65179 0.78336 1.00000
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