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Na3Si2Pt7

Alexandria ALEX

Alex-ID: agm101698153 · Space group: R-3m (#166)

Basic Information

Formula
Na3Si2Pt7
Alex-ID
agm101698153
Elements
3
Sites
12
Space group
R-3m (#166)
Crystal system
trigonal
Volume
215.70
ų
Cell a
8.6380
Å
Cell b
8.6380
Å
Cell c
8.6380
Å
α angle
37.65
°
β angle
37.65
°
γ angle
37.65
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na3Si2Pt7
Na
3.00 · 25.0%
Si
2.00 · 16.7%
Pt
7.00 · 58.3%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.5336
eV/atom
Corrected total energy
-63.8224
eV
Raw total energy
-63.8224
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
4.3752
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C7_69_spg12

Decomposition

Na3Si2Pt7

Computed at

2025-05-17 03:32:13

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: agm101698153).

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 agm101698153
data_agm101698153
_cell_length_a     8.63804
_cell_length_b     8.63804
_cell_length_c     8.63804
_cell_angle_alpha  37.64646
_cell_angle_beta   37.64646
_cell_angle_gamma  37.64646
_cell_volume       215.69929
_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
  Na1 Na 0.00000 0.00000 0.00000 1.00000
  Na2 Na 0.85933 0.85933 0.85933 1.00000
  Na3 Na 0.14067 0.14067 0.14067 1.00000
  Si1 Si 0.66639 0.66639 0.66639 1.00000
  Si2 Si 0.33361 0.33361 0.33361 1.00000
  Pt1 Pt 0.50000 0.50000 0.50000 1.00000
  Pt2 Pt 0.42592 0.42592 0.92634 1.00000
  Pt3 Pt 0.92634 0.42592 0.42592 1.00000
  Pt4 Pt 0.42592 0.92634 0.42592 1.00000
  Pt5 Pt 0.57408 0.57408 0.07366 1.00000
  Pt6 Pt 0.57408 0.07366 0.57408 1.00000
  Pt7 Pt 0.07366 0.57408 0.57408 1.00000
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