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Ac3Mg7Ir4

Alexandria ALEX

Alex-ID: agm005703158 · Space group: C2/m (#12)

Basic Information

Formula
Ac3Mg7Ir4
Alex-ID
agm005703158
Elements
3
Sites
14
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
320.02
ų
Cell a
4.3301
Å
Cell b
8.6547
Å
Cell c
9.3303
Å
α angle
73.74
°
β angle
76.58
°
γ angle
75.51
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac3Mg7Ir4
Ac
3.00 · 21.4%
Mg
7.00 · 50.0%
Ir
4.00 · 28.6%

Energy & Stability

Energy above hull
0.0291
eV/atom
Formation energy
-0.4408
eV/atom
Corrected total energy
-65.1028
eV
Raw total energy
-65.1028
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
5.3954
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A3B4C7_34_spg12

Decomposition

AcMg5Ir2 AcMgIr

Computed at

2023-06-29 16:49:26.638138

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: agm005703158).

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 agm005703158
data_agm005703158
_cell_length_a     4.33010
_cell_length_b     8.65466
_cell_length_c     9.33031
_cell_angle_alpha  73.73987
_cell_angle_beta   76.58251
_cell_angle_gamma  75.51303
_cell_volume       320.02466
_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 0.30152 0.17966 0.21730 1.00000
  Ac2 Ac 0.69848 0.82034 0.78270 1.00000
  Ac3 Ac 0.00000 0.50000 0.50000 1.00000
  Mg1 Mg 0.32002 0.85266 0.50730 1.00000
  Mg2 Mg 0.48564 0.24246 0.78625 1.00000
  Mg3 Mg 0.82989 0.41338 0.92685 1.00000
  Mg4 Mg 0.67998 0.14734 0.49270 1.00000
  Mg5 Mg 0.17011 0.58662 0.07315 1.00000
  Mg6 Mg 0.00000 0.00000 0.00000 1.00000
  Mg7 Mg 0.51436 0.75754 0.21375 1.00000
  Ir1 Ir 0.66536 0.43046 0.23883 1.00000
  Ir2 Ir 0.33464 0.56954 0.76117 1.00000
  Ir3 Ir 0.89484 0.90336 0.30697 1.00000
  Ir4 Ir 0.10516 0.09664 0.69303 1.00000
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