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KLa(H4Pt)2

Alexandria ALEX

Alex-ID: agm004893473 · Space group: R-3m (#166)

Alexandria Database API

Basic Information

Formula
KLa(H4Pt)2
Alex-ID
agm004893473
Elements
4
Sites
12
Space group
R-3m (#166)
Crystal system
trigonal
Volume
152.66
ų
Cell a
4.3484
Å
Cell b
4.3484
Å
Cell c
9.6549
Å
α angle
76.99
°
β angle
76.99
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KLa(H4Pt)2
K
1.00 · 8.3%
La
1.00 · 8.3%
H
8.00 · 66.7%
Pt
2.00 · 16.7%

Energy & Stability

Energy above hull
0.3266
eV/atom
Formation energy
-0.1947
eV/atom
Corrected total energy
-46.4602
eV
Raw total energy
-46.4602
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.1466
eV
DOS at Fermi level
4.8599
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D8_726_spg166

Decomposition

LaH4Pt La(HPt)3 K2H6Pt LaH7Pt2

Computed at

2023-01-01 22:27:30.347034

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: agm004893473).

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 agm004893473
data_agm004893473
_cell_length_a     4.34838
_cell_length_b     4.34838
_cell_length_c     9.65493
_cell_angle_alpha  76.98596
_cell_angle_beta   76.98596
_cell_angle_gamma  60.00000
_cell_volume       152.66293
_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
  K1 K 0.00000 0.00000 0.00000 1.00000
  La1 La 0.50000 0.50000 0.50000 1.00000
  H1 H 0.17726 0.17726 0.46823 1.00000
  H2 H 0.45396 0.45393 0.18656 1.00000
  H3 H 0.82274 0.82274 0.53177 1.00000
  H4 H 0.90555 0.45396 0.18656 1.00000
  H5 H 0.09445 0.54604 0.81344 1.00000
  H6 H 0.45393 0.90555 0.18656 1.00000
  H7 H 0.54607 0.09445 0.81344 1.00000
  H8 H 0.54604 0.54607 0.81344 1.00000
  Pt1 Pt 0.23921 0.23921 0.28236 1.00000
  Pt2 Pt 0.76079 0.76079 0.71764 1.00000
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