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Ca3AlIr2

Alexandria ALEX

Alex-ID: agm012728355 · Space group: P-1 (#2)

Basic Information

Formula
Ca3AlIr2
Alex-ID
agm012728355
Elements
3
Sites
24
Space group
P-1 (#2)
Crystal system
triclinic
Volume
596.37
ų
Cell a
7.1499
Å
Cell b
8.7883
Å
Cell c
9.9309
Å
α angle
81.68
°
β angle
80.96
°
γ angle
76.91
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca3AlIr2
Ca
12.00 · 50.0%
Al
4.00 · 16.7%
Ir
8.00 · 33.3%

Energy & Stability

Energy above hull
0.1892
eV/atom
Formation energy
-0.3528
eV/atom
Corrected total energy
-118.3630
eV
Raw total energy
-118.3630
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0272
eV
DOS at Fermi level
12.0933
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_5977_spg2

Decomposition

CaAlIr Ca2AlIr2 Ca3Ir

Computed at

2024-06-24 11:54:56.761207

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: agm012728355).

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 agm012728355
data_agm012728355
_cell_length_a     7.14994
_cell_length_b     8.78834
_cell_length_c     9.93086
_cell_angle_alpha  81.68030
_cell_angle_beta   80.95911
_cell_angle_gamma  76.90878
_cell_volume       596.37392
_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 0.16746 0.47240 0.80061 1.00000
  Ca2 Ca 0.85946 0.94733 0.15211 1.00000
  Ca3 Ca 0.00831 0.85067 0.62380 1.00000
  Ca4 Ca 0.25938 0.61845 0.08944 1.00000
  Ca5 Ca 0.55630 0.23928 0.63041 1.00000
  Ca6 Ca 0.46326 0.23055 0.26602 1.00000
  Ca7 Ca 0.53674 0.76945 0.73398 1.00000
  Ca8 Ca 0.44370 0.76072 0.36959 1.00000
  Ca9 Ca 0.74062 0.38155 0.91056 1.00000
  Ca10 Ca 0.99169 0.14933 0.37620 1.00000
  Ca11 Ca 0.14054 0.05267 0.84789 1.00000
  Ca12 Ca 0.83254 0.52760 0.19939 1.00000
  Al1 Al 0.66881 0.00912 0.89288 1.00000
  Al2 Al 0.18397 0.49441 0.44441 1.00000
  Al3 Al 0.81603 0.50559 0.55559 1.00000
  Al4 Al 0.33119 0.99088 0.10712 1.00000
  Ir1 Ir 0.92343 0.76205 0.91470 1.00000
  Ir2 Ir 0.91786 0.71994 0.39636 1.00000
  Ir3 Ir 0.42503 0.23036 0.96195 1.00000
  Ir4 Ir 0.67271 0.96677 0.45097 1.00000
  Ir5 Ir 0.32729 0.03323 0.54903 1.00000
  Ir6 Ir 0.57497 0.76964 0.03805 1.00000
  Ir7 Ir 0.08214 0.28006 0.60364 1.00000
  Ir8 Ir 0.07657 0.23795 0.08531 1.00000
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