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KCe(H4Pt)2

Alexandria ALEX

Alex-ID: agm007207005 · Space group: R-3 (#148)

Alexandria Database API

Basic Information

Formula
KCe(H4Pt)2
Alex-ID
agm007207005
Elements
4
Sites
12
Space group
R-3 (#148)
Crystal system
trigonal
Volume
150.30
ų
Cell a
6.2258
Å
Cell b
6.2258
Å
Cell c
6.2258
Å
α angle
54.88
°
β angle
54.88
°
γ angle
54.88
°

Composition

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

Energy & Stability

Energy above hull
0.3808
eV/atom
Formation energy
-0.1061
eV/atom
Corrected total energy
-46.4028
eV
Raw total energy
-46.4028
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
8.8279
Total magnetisation
1.1784
μB

Additional Information

Prototype ID

ABC2D8_14_spg1

Decomposition

K2H8Pt CeH5Pt K2H6Pt Ce(HPt)3

Computed at

2024-01-28 13:27:40.309277

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: agm007207005).

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 agm007207005
data_agm007207005
_cell_length_a     6.22584
_cell_length_b     6.22584
_cell_length_c     6.22584
_cell_angle_alpha  54.88003
_cell_angle_beta   54.88003
_cell_angle_gamma  54.88002
_cell_volume       150.30137
_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
  Ce1 Ce 0.50000 0.50000 0.50000 1.00000
  H1 H 0.19224 0.19224 0.19224 1.00000
  H2 H 0.42612 0.86685 0.59286 1.00000
  H3 H 0.80776 0.80776 0.80776 1.00000
  H4 H 0.59286 0.42612 0.86685 1.00000
  H5 H 0.40714 0.57388 0.13315 1.00000
  H6 H 0.86685 0.59286 0.42612 1.00000
  H7 H 0.13315 0.40714 0.57388 1.00000
  H8 H 0.57388 0.13315 0.40714 1.00000
  Pt1 Pt 0.29936 0.29936 0.29936 1.00000
  Pt2 Pt 0.70064 0.70064 0.70064 1.00000
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