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Si3NiIr3

Alexandria ALEX

Alex-ID: agm005982007 · Space group: Pnma (#62)

Basic Information

Formula
Si3NiIr3
Alex-ID
agm005982007
Elements
3
Sites
28
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
405.28
ų
Cell a
2.8210
Å
Cell b
10.1337
Å
Cell c
14.1770
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Si3NiIr3
Si
12.00 · 42.9%
Ni
4.00 · 14.3%
Ir
12.00 · 42.9%

Energy & Stability

Energy above hull
0.2057
eV/atom
Formation energy
-0.4136
eV/atom
Corrected total energy
-206.1246
eV
Raw total energy
-206.1246
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0050
eV
DOS at Fermi level
11.7320
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB3C3_955_spg62

Decomposition

SiNi2 Si5Ir4 Si2Ir3

Computed at

2023-08-06 19:30:33.077091

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: agm005982007).

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 agm005982007
data_agm005982007
_cell_length_a     2.82101
_cell_length_b     10.13367
_cell_length_c     14.17699
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       405.28069
_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
  Si1 Si 0.75000 0.88300 0.90244 1.00000
  Si2 Si 0.25000 0.61700 0.40244 1.00000
  Si3 Si 0.25000 0.11700 0.09756 1.00000
  Si4 Si 0.75000 0.38300 0.59756 1.00000
  Si5 Si 0.75000 0.91096 0.39071 1.00000
  Si6 Si 0.25000 0.58904 0.89071 1.00000
  Si7 Si 0.25000 0.08904 0.60929 1.00000
  Si8 Si 0.75000 0.41096 0.10929 1.00000
  Si9 Si 0.75000 0.75483 0.14587 1.00000
  Si10 Si 0.25000 0.74517 0.64587 1.00000
  Si11 Si 0.25000 0.24517 0.85413 1.00000
  Si12 Si 0.75000 0.25483 0.35413 1.00000
  Ni1 Ni 0.75000 0.99309 0.20397 1.00000
  Ni2 Ni 0.25000 0.50691 0.70397 1.00000
  Ni3 Ni 0.25000 0.00691 0.79603 1.00000
  Ni4 Ni 0.75000 0.49309 0.29603 1.00000
  Ir1 Ir 0.75000 0.72050 0.78651 1.00000
  Ir2 Ir 0.25000 0.77950 0.28651 1.00000
  Ir3 Ir 0.25000 0.27950 0.21349 1.00000
  Ir4 Ir 0.75000 0.22050 0.71349 1.00000
  Ir5 Ir 0.75000 0.11080 0.95694 1.00000
  Ir6 Ir 0.25000 0.38920 0.45694 1.00000
  Ir7 Ir 0.25000 0.88920 0.04306 1.00000
  Ir8 Ir 0.75000 0.61080 0.54306 1.00000
  Ir9 Ir 0.75000 0.90241 0.56225 1.00000
  Ir10 Ir 0.25000 0.59759 0.06225 1.00000
  Ir11 Ir 0.25000 0.09759 0.43775 1.00000
  Ir12 Ir 0.75000 0.40241 0.93775 1.00000
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