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Ac7CoIr3

Alexandria ALEX

Alex-ID: agm005963784 · Space group: C2/m (#12)

Basic Information

Formula
Ac7CoIr3
Alex-ID
agm005963784
Elements
3
Sites
11
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
372.94
ų
Cell a
7.4230
Å
Cell b
7.4002
Å
Cell c
7.4002
Å
α angle
100.18
°
β angle
103.44
°
γ angle
103.44
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac7CoIr3
Ac
7.00 · 63.6%
Co
1.00 · 9.1%
Ir
3.00 · 27.3%

Energy & Stability

Energy above hull
0.2311
eV/atom
Formation energy
-0.2640
eV/atom
Corrected total energy
-65.3693
eV
Raw total energy
-65.3693
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0050
eV
DOS at Fermi level
9.2510
Total magnetisation
0.6893
μB

Additional Information

Prototype ID

AB3C7_129_spg12

Decomposition

AcCo Ac2Ir

Computed at

2023-08-11 21:12:25.183604

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: agm005963784).

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 agm005963784
data_agm005963784
_cell_length_a     7.42304
_cell_length_b     7.40020
_cell_length_c     7.40023
_cell_angle_alpha  100.18355
_cell_angle_beta   103.43566
_cell_angle_gamma  103.43610
_cell_volume       372.94236
_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
  Ac1 Ac 0.24309 0.16770 0.16771 1.00000
  Ac2 Ac 0.26848 0.04700 0.62956 1.00000
  Ac3 Ac 0.73152 0.37044 0.95301 1.00000
  Ac4 Ac 0.26848 0.62956 0.04699 1.00000
  Ac5 Ac 0.00000 0.50000 0.50000 1.00000
  Ac6 Ac 0.73152 0.95300 0.37044 1.00000
  Ac7 Ac 0.75691 0.83230 0.83229 1.00000
  Co1 Co 0.50000 0.50000 0.50000 1.00000
  Ir1 Ir 1.00000 0.77648 0.22351 1.00000
  Ir2 Ir 0.50000 0.00000 0.00000 1.00000
  Ir3 Ir 0.00000 0.22352 0.77649 1.00000
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