Navigation

HEAS Data Platform · Materials Science Database

Ac2CrNi9

Alexandria ALEX

Alex-ID: agm003539062 · Space group: R-3m (#166)

Basic Information

Formula
Ac2CrNi9
Alex-ID
agm003539062
Elements
3
Sites
12
Space group
R-3m (#166)
Crystal system
trigonal
Volume
183.20
ų
Cell a
5.0052
Å
Cell b
5.0052
Å
Cell c
8.9247
Å
α angle
73.72
°
β angle
73.72
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac2CrNi9
Ac
2.00 · 16.7%
Cr
1.00 · 8.3%
Ni
9.00 · 75.0%

Energy & Stability

Energy above hull
0.2250
eV/atom
Formation energy
0.0290
eV/atom
Corrected total energy
-69.5467
eV
Raw total energy
-69.5467
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0003
eV
DOS at Fermi level
12.7519
Total magnetisation
6.5445
μB

Additional Information

Prototype ID

AB2C9_0_spg166

Decomposition

AcNi3 AcNi5 Cr

Computed at

2022-03-18 20:32:20.847722

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: agm003539062).

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 agm003539062
data_agm003539062
_cell_length_a     5.00523
_cell_length_b     5.00523
_cell_length_c     8.92471
_cell_angle_alpha  73.71506
_cell_angle_beta   73.71506
_cell_angle_gamma  60.00000
_cell_volume       183.19886
_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 0.86806 0.86806 0.39581 1.00000
  Ac2 Ac 0.13194 0.13194 0.60419 1.00000
  Cr1 Cr 0.00000 0.00000 0.00000 1.00000
  Ni1 Ni 0.66739 0.66739 0.99782 1.00000
  Ni2 Ni 0.33261 0.33261 0.00218 1.00000
  Ni3 Ni 0.50000 0.50000 0.50000 1.00000
  Ni4 Ni 0.42474 0.42474 0.22806 1.00000
  Ni5 Ni 0.92247 0.42474 0.22806 1.00000
  Ni6 Ni 0.42474 0.92247 0.22806 1.00000
  Ni7 Ni 0.57526 0.57526 0.77194 1.00000
  Ni8 Ni 0.57526 0.07753 0.77194 1.00000
  Ni9 Ni 0.07753 0.57526 0.77194 1.00000
Get direct link