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YAl(CuH4)2

Alexandria ALEX

Alex-ID: agm007304065 · Space group: P-3 (#147)

Basic Information

Formula
YAl(CuH4)2
Alex-ID
agm007304065
Elements
4
Sites
12
Space group
P-3 (#147)
Crystal system
trigonal
Volume
106.36
ų
Cell a
4.3889
Å
Cell b
4.3912
Å
Cell c
6.3715
Å
α angle
90.03
°
β angle
90.02
°
γ angle
119.99
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
YAl(CuH4)2
Y
1.00 · 8.3%
Al
1.00 · 8.3%
Cu
2.00 · 16.7%
H
8.00 · 66.7%

Energy & Stability

Energy above hull
0.1241
eV/atom
Formation energy
-0.1666
eV/atom
Corrected total energy
-46.4451
eV
Raw total energy
-46.4451
eV

Electronic Structure

Indirect band gap
1.3928
eV
Direct band gap
1.5461
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D8_25_spg164

Decomposition

AlCu3 AlH9 YH3 CuH4

Computed at

2024-08-14 07:17:22.021053

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: agm007304065).

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 agm007304065
data_agm007304065
_cell_length_a     4.38895
_cell_length_b     4.39125
_cell_length_c     6.37149
_cell_angle_alpha  90.02569
_cell_angle_beta   90.02233
_cell_angle_gamma  119.98925
_cell_volume       106.35727
_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
  Y1 Y 0.00000 0.00000 0.50000 1.00000
  Al1 Al 0.00000 0.00000 0.00000 1.00000
  Cu1 Cu 0.33229 0.66555 0.24005 1.00000
  Cu2 Cu 0.66771 0.33445 0.75995 1.00000
  H1 H 0.01706 0.70526 0.81675 1.00000
  H2 H 0.29592 0.31113 0.81722 1.00000
  H3 H 0.68932 0.98484 0.81648 1.00000
  H4 H 0.98294 0.29474 0.18325 1.00000
  H5 H 0.70408 0.68887 0.18278 1.00000
  H6 H 0.31068 0.01516 0.18352 1.00000
  H7 H 0.33339 0.66660 0.49260 1.00000
  H8 H 0.66661 0.33340 0.50740 1.00000
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