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AlHPd3

Alexandria ALEX

Alex-ID: agm003069293 · Space group: Pmma (#51)

Basic Information

Formula
AlHPd3
Alex-ID
agm003069293
Elements
3
Sites
20
Space group
Pmma (#51)
Crystal system
orthorhombic
Volume
260.79
ų
Cell a
18.3435
Å
Cell b
5.3884
Å
Cell c
7.2169
Å
α angle
90.00
°
β angle
158.56
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
AlHPd3
H
4.00 · 20.0%
Al
4.00 · 20.0%
Pd
12.00 · 60.0%

Energy & Stability

Energy above hull
0.1287
eV/atom
Formation energy
-0.4477
eV/atom
Corrected total energy
-99.2088
eV
Raw total energy
-99.2088
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0219
eV
DOS at Fermi level
3.1927
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC3_1151_spg51

Decomposition

AlHPd3

Computed at

2016-01-27 07:16:17

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: agm003069293).

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 agm003069293
data_agm003069293
_cell_length_a     18.34353
_cell_length_b     5.38839
_cell_length_c     7.21687
_cell_angle_alpha  90.00000
_cell_angle_beta   158.55555
_cell_angle_gamma  90.00000
_cell_volume       260.79299
_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
  H1 H 0.11509 0.25002 0.61037 1.00000
  H2 H 0.88491 0.74998 0.38963 1.00000
  H3 H 0.38491 0.75002 0.88963 1.00000
  H4 H 0.61509 0.24998 0.11037 1.00000
  Al1 Al 0.40781 0.75016 0.40857 1.00000
  Al2 Al 0.59219 0.24984 0.59143 1.00000
  Al3 Al 0.09219 0.25016 0.09143 1.00000
  Al4 Al 0.90781 0.74984 0.90857 1.00000
  Pd1 Pd 0.24994 0.99999 0.74982 1.00000
  Pd2 Pd 0.75006 0.00001 0.25018 1.00000
  Pd3 Pd 0.25006 0.49999 0.75018 1.00000
  Pd4 Pd 0.74994 0.50001 0.24982 1.00000
  Pd5 Pd 0.37471 0.24996 0.37422 1.00000
  Pd6 Pd 0.62529 0.75004 0.62578 1.00000
  Pd7 Pd 0.12529 0.74996 0.12578 1.00000
  Pd8 Pd 0.87471 0.25004 0.87422 1.00000
  Pd9 Pd 0.53684 0.75000 0.03786 1.00000
  Pd10 Pd 0.46316 0.25000 0.96214 1.00000
  Pd11 Pd 0.96316 0.25000 0.46214 1.00000
  Pd12 Pd 0.03684 0.75000 0.53786 1.00000
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