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Ac2EuPb9

Alexandria ALEX

Alex-ID: agm077972607 · Space group: P4/mmm (#123)

Alexandria Database API

Basic Information

Formula
Ac2EuPb9
Alex-ID
agm077972607
Elements
3
Sites
12
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
380.89
ų
Cell a
5.0273
Å
Cell b
5.0273
Å
Cell c
15.0710
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac2EuPb9
Ac
2.00 · 16.7%
Eu
1.00 · 8.3%
Pb
9.00 · 75.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.4021
eV/atom
Corrected total energy
-56.6915
eV
Raw total energy
-56.6915
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0063
eV
DOS at Fermi level
5.7215
Total magnetisation
-7.0288
μB

Additional Information

Prototype ID

AB2C9_10_spg123

Decomposition

Ac2EuPb9

Computed at

2025-01-09 07:34:56

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: agm077972607).

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 agm077972607
data_agm077972607
_cell_length_a     5.02726
_cell_length_b     5.02726
_cell_length_c     15.07102
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       380.89497
_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 0.50000 0.50000 0.33177 1.00000
  Ac2 Ac 0.50000 0.50000 0.66823 1.00000
  Eu1 Eu 0.50000 0.50000 0.00000 1.00000
  Pb1 Pb 0.50000 0.00000 0.16059 1.00000
  Pb2 Pb 0.50000 0.00000 0.83941 1.00000
  Pb3 Pb 0.00000 0.50000 0.16059 1.00000
  Pb4 Pb 0.00000 0.50000 0.83941 1.00000
  Pb5 Pb 0.50000 0.00000 0.50000 1.00000
  Pb6 Pb 0.00000 0.50000 0.50000 1.00000
  Pb7 Pb 0.00000 0.00000 0.33085 1.00000
  Pb8 Pb 0.00000 0.00000 0.66915 1.00000
  Pb9 Pb 0.00000 0.00000 0.00000 1.00000
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