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AcHfScPt2

Alexandria ALEX

Alex-ID: agm005018113 · Space group: I-4m2 (#119)

Basic Information

Formula
AcHfScPt2
Alex-ID
agm005018113
Elements
4
Sites
5
Space group
I-4m2 (#119)
Crystal system
tetragonal
Volume
119.24
ų
Cell a
4.6016
Å
Cell b
4.6016
Å
Cell c
6.5039
Å
α angle
110.72
°
β angle
110.72
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
AcHfScPt2
Ac
1.00 · 20.0%
Hf
1.00 · 20.0%
Sc
1.00 · 20.0%
Pt
2.00 · 40.0%

Energy & Stability

Energy above hull
0.0308
eV/atom
Formation energy
-0.9720
eV/atom
Corrected total energy
-37.4296
eV
Raw total energy
-37.4296
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0566
eV
DOS at Fermi level
5.1697
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2_3_spg107

Decomposition

Ac4Pt3 Hf3ScPt2 HfPt Sc2Pt

Computed at

2022-08-04 14:01:55.427456

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: agm005018113).

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 agm005018113
data_agm005018113
_cell_length_a     4.60157
_cell_length_b     4.60157
_cell_length_c     6.50388
_cell_angle_alpha  110.71718
_cell_angle_beta   110.71718
_cell_angle_gamma  90.00000
_cell_volume       119.24269
_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
  Ac1 Ac 0.00000 0.00000 0.00000 1.00000
  Hf1 Hf 0.75000 0.25000 0.50000 1.00000
  Sc1 Sc 0.25000 0.75000 0.50000 1.00000
  Pt1 Pt 0.62322 0.62322 0.24643 1.00000
  Pt2 Pt 0.37678 0.37678 0.75357 1.00000
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