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CaCu2As2Pb

Alexandria ALEX

Alex-ID: agm057235599 · Space group: P-3m1 (#164)

Basic Information

Formula
CaCu2As2Pb
Alex-ID
agm057235599
Elements
4
Sites
6
Space group
P-3m1 (#164)
Crystal system
trigonal
Volume
127.11
ų
Cell a
4.1850
Å
Cell b
4.1850
Å
Cell c
8.3803
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CaCu2As2Pb
Ca
1.00 · 16.7%
Cu
2.00 · 33.3%
As
2.00 · 33.3%
Pb
1.00 · 16.7%

Energy & Stability

Energy above hull
0.0235
eV/atom
Formation energy
-0.3948
eV/atom
Corrected total energy
-25.6981
eV
Raw total energy
-25.6981
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.2393
eV
DOS at Fermi level
1.6326
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D2_146_spg164

Decomposition

Ca3Cu2(As2Pb)2 Ca(AsPb)2 As Cu

Computed at

2025-04-13 21:17:20

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: agm057235599).

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 agm057235599
data_agm057235599
_cell_length_a     4.18504
_cell_length_b     4.18504
_cell_length_c     8.38026
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       127.11243
_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 0.00000 0.00000 0.00000 1.00000
  Cu1 Cu 0.33333 0.66667 0.74848 1.00000
  Cu2 Cu 0.66667 0.33333 0.25152 1.00000
  As1 As 0.33333 0.66667 0.23082 1.00000
  As2 As 0.66667 0.33333 0.76918 1.00000
  Pb1 Pb 0.00000 0.00000 0.50000 1.00000
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