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NaCa2AcIr

Alexandria ALEX

Alex-ID: agm005013708 · Space group: P4/mmm (#123)

Basic Information

Formula
NaCa2AcIr
Alex-ID
agm005013708
Elements
4
Sites
5
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
187.47
ų
Cell a
5.7628
Å
Cell b
5.7035
Å
Cell c
5.7035
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NaCa2AcIr
Na
1.00 · 20.0%
Ca
2.00 · 40.0%
Ac
1.00 · 20.0%
Ir
1.00 · 20.0%

Energy & Stability

Energy above hull
0.0625
eV/atom
Formation energy
-0.2502
eV/atom
Corrected total energy
-19.5435
eV
Raw total energy
-19.5435
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
3.6961
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2_2_spg123

Decomposition

Ca5Ir Ca3Ir Ac2Ir Na

Computed at

2022-07-04 15:06:30.687948

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: agm005013708).

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 agm005013708
data_agm005013708
_cell_length_a     5.76284
_cell_length_b     5.70352
_cell_length_c     5.70352
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       187.46616
_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
  Na1 Na 0.50000 0.50000 0.50000 1.00000
  Ca1 Ca 0.00000 0.00000 0.50000 1.00000
  Ca2 Ca 0.00000 0.50000 0.00000 1.00000
  Ac1 Ac 0.50000 0.00000 0.00000 1.00000
  Ir1 Ir 0.00000 0.00000 0.00000 1.00000
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