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Ca2HfPt3

Alexandria ALEX

Alex-ID: agm040339071 · Space group: P4/mmm (#123)

Alexandria Database API

Basic Information

Formula
Ca2HfPt3
Alex-ID
agm040339071
Elements
3
Sites
6
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
123.82
ų
Cell a
3.3802
Å
Cell b
3.3802
Å
Cell c
10.8374
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca2HfPt3
Ca
2.00 · 33.3%
Hf
1.00 · 16.7%
Pt
3.00 · 50.0%

Energy & Stability

Energy above hull
0.0124
eV/atom
Formation energy
-0.9584
eV/atom
Corrected total energy
-37.9717
eV
Raw total energy
-37.9717
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0181
eV
DOS at Fermi level
3.9737
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_1667_spg25

Decomposition

Ca2Pt3 CaHfPt2 Ca3Pt2

Computed at

2025-04-15 04:14:04

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: agm040339071).

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 agm040339071
data_agm040339071
_cell_length_a     3.38018
_cell_length_b     3.38018
_cell_length_c     10.83740
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       123.82380
_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
  Ca1 Ca 0.00000 0.00000 0.83454 1.00000
  Ca2 Ca 0.00000 0.00000 0.16546 1.00000
  Hf1 Hf 0.00000 0.00000 0.50000 1.00000
  Pt1 Pt 0.50000 0.50000 0.00000 1.00000
  Pt2 Pt 0.50000 0.50000 0.63598 1.00000
  Pt3 Pt 0.50000 0.50000 0.36402 1.00000
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