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SmGa(H4Rh)2

Alexandria ALEX

Alex-ID: agm007449733 · Space group: C2/m (#12)

Alexandria Database API

Basic Information

Formula
SmGa(H4Rh)2
Alex-ID
agm007449733
Elements
4
Sites
12
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
100.88
ų
Cell a
4.5761
Å
Cell b
4.5761
Å
Cell c
6.3903
Å
α angle
70.16
°
β angle
70.16
°
γ angle
54.66
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmGa(H4Rh)2
Sm
1.00 · 8.3%
Ga
1.00 · 8.3%
H
8.00 · 66.7%
Rh
2.00 · 16.7%

Energy & Stability

Energy above hull
0.1844
eV/atom
Formation energy
-0.2703
eV/atom
Corrected total energy
-51.6168
eV
Raw total energy
-51.6168
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.1862
eV
DOS at Fermi level
1.0735
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D8_303_spg148

Decomposition

SmH6Rh H2 GaRh

Computed at

2024-10-15 10:51:44.117345

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: agm007449733).

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 agm007449733
data_agm007449733
_cell_length_a     4.57606
_cell_length_b     4.57606
_cell_length_c     6.39027
_cell_angle_alpha  70.16120
_cell_angle_beta   70.16120
_cell_angle_gamma  54.65977
_cell_volume       100.87770
_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
  Sm1 Sm 0.50000 0.50000 0.00000 1.00000
  Ga1 Ga 0.00000 0.00000 0.50000 1.00000
  H1 H 0.07543 0.07543 0.82182 1.00000
  H2 H 0.29147 0.29147 0.37470 1.00000
  H3 H 0.92457 0.92457 0.17818 1.00000
  H4 H 0.70853 0.70853 0.62530 1.00000
  H5 H 0.42360 0.93253 0.17669 1.00000
  H6 H 0.57640 0.06747 0.82331 1.00000
  H7 H 0.93253 0.42360 0.17669 1.00000
  H8 H 0.06747 0.57640 0.82331 1.00000
  Rh1 Rh 0.70381 0.70381 0.36277 1.00000
  Rh2 Rh 0.29619 0.29619 0.63723 1.00000
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