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MgNi(H4Rh)2

Alexandria ALEX

Alex-ID: agm007149559 · Space group: R-3 (#148)

Alexandria Database API

Basic Information

Formula
MgNi(H4Rh)2
Alex-ID
agm007149559
Elements
4
Sites
12
Space group
R-3 (#148)
Crystal system
trigonal
Volume
92.48
ų
Cell a
5.9447
Å
Cell b
5.9447
Å
Cell c
5.9447
Å
α angle
44.11
°
β angle
44.11
°
γ angle
44.11
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
MgNi(H4Rh)2
Mg
1.00 · 8.3%
Ni
1.00 · 8.3%
H
8.00 · 66.7%
Rh
2.00 · 16.7%

Energy & Stability

Energy above hull
0.1302
eV/atom
Formation energy
-0.0859
eV/atom
Corrected total energy
-49.0298
eV
Raw total energy
-49.0298
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
2.5872
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D8_4_spg155

Decomposition

Ni3H4 MgH5Rh2 NiH4

Computed at

2024-01-28 15:16:57.720986

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: agm007149559).

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 agm007149559
data_agm007149559
_cell_length_a     5.94471
_cell_length_b     5.94471
_cell_length_c     5.94471
_cell_angle_alpha  44.11439
_cell_angle_beta   44.11439
_cell_angle_gamma  44.11439
_cell_volume       92.47949
_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
  Mg1 Mg 0.50000 0.50000 0.50000 1.00000
  Ni1 Ni 0.00000 0.00000 0.00000 1.00000
  H1 H 0.81521 0.81521 0.81521 1.00000
  H2 H 0.34601 0.09832 0.74424 1.00000
  H3 H 0.18479 0.18479 0.18479 1.00000
  H4 H 0.09832 0.74424 0.34601 1.00000
  H5 H 0.90168 0.25576 0.65399 1.00000
  H6 H 0.74424 0.34601 0.09832 1.00000
  H7 H 0.25576 0.65399 0.90168 1.00000
  H8 H 0.65399 0.90168 0.25576 1.00000
  Rh1 Rh 0.71603 0.71603 0.71603 1.00000
  Rh2 Rh 0.28397 0.28397 0.28397 1.00000
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