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Ca4SiPb12

Alexandria ALEX

Alex-ID: agm099669487 · Space group: P4/mmm (#123)

Alexandria Database API

Basic Information

Formula
Ca4SiPb12
Alex-ID
agm099669487
Elements
3
Sites
17
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
524.37
ų
Cell a
9.7776
Å
Cell b
9.7776
Å
Cell c
5.4849
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca4SiPb12
Ca
4.00 · 23.5%
Si
1.00 · 5.9%
Pb
12.00 · 70.6%

Energy & Stability

Energy above hull
0.1426
eV/atom
Formation energy
-0.1569
eV/atom
Corrected total energy
-60.5984
eV
Raw total energy
-60.5984
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
11.3503
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB4C12_333_spg123

Decomposition

CaPb3 Si

Computed at

2025-04-21 07:53:49

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: agm099669487).

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 agm099669487
data_agm099669487
_cell_length_a     9.77762
_cell_length_b     9.77762
_cell_length_c     5.48491
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       524.36734
_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
  Ca1 Ca 0.25134 0.25134 0.00000 1.00000
  Ca2 Ca 0.74866 0.25134 0.00000 1.00000
  Ca3 Ca 0.25134 0.74866 0.00000 1.00000
  Ca4 Ca 0.74866 0.74866 0.00000 1.00000
  Si1 Si 0.50000 0.50000 0.50000 1.00000
  Pb1 Pb 0.50000 0.21268 0.50000 1.00000
  Pb2 Pb 0.00000 0.24070 0.50000 1.00000
  Pb3 Pb 0.50000 0.78732 0.50000 1.00000
  Pb4 Pb 0.00000 0.75930 0.50000 1.00000
  Pb5 Pb 0.21268 0.50000 0.50000 1.00000
  Pb6 Pb 0.78732 0.50000 0.50000 1.00000
  Pb7 Pb 0.24070 0.00000 0.50000 1.00000
  Pb8 Pb 0.75930 0.00000 0.50000 1.00000
  Pb9 Pb 0.50000 0.50000 0.00000 1.00000
  Pb10 Pb 0.00000 0.50000 0.00000 1.00000
  Pb11 Pb 0.50000 0.00000 0.00000 1.00000
  Pb12 Pb 0.00000 0.00000 0.00000 1.00000
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