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Ac9Co3Ir

Alexandria ALEX

Alex-ID: agm006026909 · Space group: P2_1/m (#11)

Basic Information

Formula
Ac9Co3Ir
Alex-ID
agm006026909
Elements
3
Sites
26
Space group
P2_1/m (#11)
Crystal system
monoclinic
Volume
913.70
ų
Cell a
7.1210
Å
Cell b
10.9091
Å
Cell c
11.8293
Å
α angle
90.00
°
β angle
96.12
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac9Co3Ir
Ac
18.00 · 69.2%
Co
6.00 · 23.1%
Ir
2.00 · 7.7%

Energy & Stability

Energy above hull
0.0620
eV/atom
Formation energy
-0.1043
eV/atom
Corrected total energy
-137.1285
eV
Raw total energy
-137.1284
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0240
eV
DOS at Fermi level
22.6454
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB3C9_24_spg11

Decomposition

Ac3Co AcCo Ac2Ir

Computed at

2023-08-11 09:32:06.464747

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: agm006026909).

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 agm006026909
data_agm006026909
_cell_length_a     7.12103
_cell_length_b     10.90906
_cell_length_c     11.82926
_cell_angle_alpha  90.00000
_cell_angle_beta   96.11933
_cell_angle_gamma  90.00000
_cell_volume       913.70476
_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 0.13609 0.25000 0.96505 1.00000
  Ac2 Ac 0.13819 0.92224 0.78606 1.00000
  Ac3 Ac 0.13819 0.57776 0.78606 1.00000
  Ac4 Ac 0.23871 0.93653 0.45881 1.00000
  Ac5 Ac 0.23871 0.56347 0.45881 1.00000
  Ac6 Ac 0.27784 0.25000 0.63372 1.00000
  Ac7 Ac 0.34710 0.92947 0.12236 1.00000
  Ac8 Ac 0.34710 0.57053 0.12236 1.00000
  Ac9 Ac 0.39068 0.25000 0.30582 1.00000
  Ac10 Ac 0.60932 0.75000 0.69418 1.00000
  Ac11 Ac 0.65290 0.07053 0.87764 1.00000
  Ac12 Ac 0.65290 0.42947 0.87764 1.00000
  Ac13 Ac 0.72216 0.75000 0.36628 1.00000
  Ac14 Ac 0.76129 0.06347 0.54119 1.00000
  Ac15 Ac 0.76129 0.43653 0.54119 1.00000
  Ac16 Ac 0.86181 0.07776 0.21394 1.00000
  Ac17 Ac 0.86181 0.42224 0.21394 1.00000
  Ac18 Ac 0.86391 0.75000 0.03495 1.00000
  Co1 Co 0.00000 0.00000 0.00000 1.00000
  Co2 Co 0.00000 0.50000 0.00000 1.00000
  Co3 Co 0.44775 0.49453 0.67209 1.00000
  Co4 Co 0.44775 0.00547 0.67209 1.00000
  Co5 Co 0.55225 0.99453 0.32791 1.00000
  Co6 Co 0.55225 0.50547 0.32791 1.00000
  Ir1 Ir 0.02755 0.25000 0.41559 1.00000
  Ir2 Ir 0.97245 0.75000 0.58441 1.00000
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