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Ca4(Al8Ir3)3

Alexandria ALEX

Alex-ID: agm008596106 · Space group: P-1 (#2)

Basic Information

Formula
Ca4(Al8Ir3)3
Alex-ID
agm008596106
Elements
3
Sites
37
Space group
P-1 (#2)
Crystal system
triclinic
Volume
638.85
ų
Cell a
7.4614
Å
Cell b
7.4680
Å
Cell c
13.4200
Å
α angle
100.67
°
β angle
84.64
°
γ angle
119.62
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca4(Al8Ir3)3
Ca
4.00 · 10.8%
Al
24.00 · 64.9%
Ir
9.00 · 24.3%

Energy & Stability

Energy above hull
0.0275
eV/atom
Formation energy
-0.7212
eV/atom
Corrected total energy
-204.3329
eV
Raw total energy
-204.3329
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
18.6792
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A4B9C24_1_spg2

Decomposition

Al6Ir5 Al21Ir8 Ca2(Al3Ir)3

Computed at

2024-12-25 16:21:34

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: agm008596106).

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 agm008596106
data_agm008596106
_cell_length_a     7.46135
_cell_length_b     7.46796
_cell_length_c     13.42003
_cell_angle_alpha  100.66913
_cell_angle_beta   84.63728
_cell_angle_gamma  119.61581
_cell_volume       638.84807
_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 0.17032 0.56387 0.19381 1.00000
  Ca2 Ca 0.82968 0.43613 0.80619 1.00000
  Ca3 Ca 0.50015 0.23568 0.19395 1.00000
  Ca4 Ca 0.49985 0.76432 0.80605 1.00000
  Al1 Al 0.83425 0.52033 0.04835 1.00000
  Al2 Al 0.16575 0.47967 0.95165 1.00000
  Al3 Al 0.83250 0.98126 0.44178 1.00000
  Al4 Al 0.16750 0.01874 0.55822 1.00000
  Al5 Al 0.16679 0.64707 0.44313 1.00000
  Al6 Al 0.83321 0.35293 0.55687 1.00000
  Al7 Al 0.16414 0.37263 0.66472 1.00000
  Al8 Al 0.83586 0.62737 0.33528 1.00000
  Al9 Al 0.51369 0.94663 0.33442 1.00000
  Al10 Al 0.48631 0.05337 0.66558 1.00000
  Al11 Al 0.15471 0.26617 0.33635 1.00000
  Al12 Al 0.84529 0.73383 0.66365 1.00000
  Al13 Al 0.50385 0.85010 0.04837 1.00000
  Al14 Al 0.49615 0.14990 0.95163 1.00000
  Al15 Al 0.16398 0.17701 0.04009 1.00000
  Al16 Al 0.83602 0.82299 0.95991 1.00000
  Al17 Al 0.49936 0.68380 0.55663 1.00000
  Al18 Al 0.50064 0.31620 0.44337 1.00000
  Al19 Al 0.16347 0.89508 0.81719 1.00000
  Al20 Al 0.83653 0.10492 0.18281 1.00000
  Al21 Al 0.63162 0.69319 0.18413 1.00000
  Al22 Al 0.36838 0.30681 0.81587 1.00000
  Al23 Al 0.04514 0.89768 0.18329 1.00000
  Al24 Al 0.95486 0.10232 0.81671 1.00000
  Ir1 Ir 0.48960 0.61096 0.36298 1.00000
  Ir2 Ir 0.51040 0.38904 0.63702 1.00000
  Ir3 Ir 0.17296 0.82689 0.99983 1.00000
  Ir4 Ir 0.82704 0.17311 0.00017 1.00000
  Ir5 Ir 0.16646 0.69993 0.63662 1.00000
  Ir6 Ir 0.83354 0.30007 0.36338 1.00000
  Ir7 Ir 0.17849 0.95554 0.36494 1.00000
  Ir8 Ir 0.82151 0.04446 0.63506 1.00000
  Ir9 Ir 0.50000 0.50000 0.00000 1.00000
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