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AlH7Pt4

Alexandria ALEX

Alex-ID: agm007337076 · Space group: Pmn2_1 (#31)

Basic Information

Formula
AlH7Pt4
Alex-ID
agm007337076
Elements
3
Sites
24
Space group
Pmn2_1 (#31)
Crystal system
orthorhombic
Volume
232.87
ų
Cell a
5.5852
Å
Cell b
5.6178
Å
Cell c
7.4217
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
AlH7Pt4
Al
2.00 · 8.3%
H
14.00 · 58.3%
Pt
8.00 · 33.3%

Energy & Stability

Energy above hull
0.1097
eV/atom
Formation energy
-0.1511
eV/atom
Corrected total energy
-105.1788
eV
Raw total energy
-105.1788
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0249
eV
DOS at Fermi level
2.7826
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB4C7_953_spg31

Decomposition

H10Pt H3Pt AlPt2

Computed at

2024-03-16 01:59:46.141415

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: agm007337076).

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 agm007337076
data_agm007337076
_cell_length_a     5.58516
_cell_length_b     5.61785
_cell_length_c     7.42173
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       232.86847
_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
  Al1 Al 0.80062 0.78092 0.00000 1.00000
  Al2 Al 0.30062 0.21908 0.50000 1.00000
  H1 H 0.86675 0.45314 0.61789 1.00000
  H2 H 0.36675 0.54686 0.88211 1.00000
  H3 H 0.56047 0.74416 0.38648 1.00000
  H4 H 0.06047 0.25584 0.11352 1.00000
  H5 H 0.06047 0.25584 0.88648 1.00000
  H6 H 0.56047 0.74416 0.61352 1.00000
  H7 H 0.63650 0.23838 0.12861 1.00000
  H8 H 0.13650 0.76162 0.37139 1.00000
  H9 H 0.13650 0.76162 0.62861 1.00000
  H10 H 0.63650 0.23838 0.87139 1.00000
  H11 H 0.76285 0.03545 0.50000 1.00000
  H12 H 0.26285 0.96455 0.00000 1.00000
  H13 H 0.86675 0.45314 0.38211 1.00000
  H14 H 0.36675 0.54686 0.11789 1.00000
  Pt1 Pt 0.61660 0.00728 0.28529 1.00000
  Pt2 Pt 0.11536 0.50050 0.75092 1.00000
  Pt3 Pt 0.61536 0.49950 0.74908 1.00000
  Pt4 Pt 0.11660 0.99272 0.21471 1.00000
  Pt5 Pt 0.11660 0.99272 0.78529 1.00000
  Pt6 Pt 0.61660 0.00728 0.71471 1.00000
  Pt7 Pt 0.11536 0.50050 0.24908 1.00000
  Pt8 Pt 0.61536 0.49950 0.25092 1.00000
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