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SmMg(H4Pd)2

Alexandria ALEX

Alex-ID: agm007458243 · Space group: C2/m (#12)

Alexandria Database API

Basic Information

Formula
SmMg(H4Pd)2
Alex-ID
agm007458243
Elements
4
Sites
12
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
106.32
ų
Cell a
4.6103
Å
Cell b
4.6103
Å
Cell c
6.4050
Å
α angle
66.68
°
β angle
66.68
°
γ angle
61.65
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmMg(H4Pd)2
Sm
1.00 · 8.3%
Mg
1.00 · 8.3%
H
8.00 · 66.7%
Pd
2.00 · 16.7%

Energy & Stability

Energy above hull
0.1623
eV/atom
Formation energy
-0.2537
eV/atom
Corrected total energy
-45.6660
eV
Raw total energy
-45.6660
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
1.9756
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D8_238_spg1

Decomposition

MgH6 SmH4Pd Mg(HPd)2

Computed at

2024-10-14 15:41:44.326753

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: agm007458243).

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 agm007458243
data_agm007458243
_cell_length_a     4.61033
_cell_length_b     4.61033
_cell_length_c     6.40495
_cell_angle_alpha  66.68022
_cell_angle_beta   66.68022
_cell_angle_gamma  61.64722
_cell_volume       106.31808
_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
  Mg1 Mg 0.00000 0.00000 0.50000 1.00000
  H1 H 0.05760 0.05760 0.82319 1.00000
  H2 H 0.29810 0.29810 0.38563 1.00000
  H3 H 0.94240 0.94240 0.17681 1.00000
  H4 H 0.70190 0.70190 0.61437 1.00000
  H5 H 0.44156 0.92862 0.15906 1.00000
  H6 H 0.55844 0.07138 0.84094 1.00000
  H7 H 0.92862 0.44156 0.15906 1.00000
  H8 H 0.07138 0.55844 0.84094 1.00000
  Pd1 Pd 0.69962 0.69962 0.35366 1.00000
  Pd2 Pd 0.30038 0.30038 0.64634 1.00000
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