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PmCuSi2

Alexandria ALEX

Alex-ID: agm005693768 · Space group: Pnma (#62)

Basic Information

Formula
PmCuSi2
Alex-ID
agm005693768
Elements
3
Sites
32
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
573.76
ų
Cell a
4.0496
Å
Cell b
10.4657
Å
Cell c
13.5378
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmCuSi2
Pm
8.00 · 25.0%
Cu
8.00 · 25.0%
Si
16.00 · 50.0%

Energy & Stability

Energy above hull
0.0376
eV/atom
Formation energy
-0.5764
eV/atom
Corrected total energy
-176.4962
eV
Raw total energy
-176.4962
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0643
eV
DOS at Fermi level
3.6971
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_9020_spg62

Decomposition

Pm2CuSi3 Pm(CuSi)2 Si

Computed at

2023-07-13 13:07:07.771261

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: agm005693768).

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 agm005693768
data_agm005693768
_cell_length_a     4.04964
_cell_length_b     10.46570
_cell_length_c     13.53777
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       573.76245
_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
  Pm1 Pm 0.75000 0.47554 0.70051 1.00000
  Pm2 Pm 0.25000 0.97554 0.79949 1.00000
  Pm3 Pm 0.25000 0.52446 0.29949 1.00000
  Pm4 Pm 0.75000 0.02446 0.20051 1.00000
  Pm5 Pm 0.75000 0.25166 0.94924 1.00000
  Pm6 Pm 0.25000 0.75166 0.55076 1.00000
  Pm7 Pm 0.25000 0.74834 0.05076 1.00000
  Pm8 Pm 0.75000 0.24834 0.44924 1.00000
  Cu1 Cu 0.75000 0.54767 0.94812 1.00000
  Cu2 Cu 0.25000 0.04767 0.55188 1.00000
  Cu3 Cu 0.25000 0.45233 0.05188 1.00000
  Cu4 Cu 0.75000 0.95233 0.44812 1.00000
  Cu5 Cu 0.75000 0.31729 0.20405 1.00000
  Cu6 Cu 0.25000 0.81729 0.29595 1.00000
  Cu7 Cu 0.25000 0.68271 0.79595 1.00000
  Cu8 Cu 0.75000 0.18271 0.70405 1.00000
  Si1 Si 0.75000 0.96058 0.96688 1.00000
  Si2 Si 0.25000 0.46058 0.53312 1.00000
  Si3 Si 0.25000 0.03942 0.03312 1.00000
  Si4 Si 0.75000 0.53942 0.46688 1.00000
  Si5 Si 0.75000 0.76077 0.88608 1.00000
  Si6 Si 0.25000 0.26077 0.61392 1.00000
  Si7 Si 0.25000 0.23923 0.11392 1.00000
  Si8 Si 0.75000 0.73923 0.38608 1.00000
  Si9 Si 0.75000 0.76869 0.71097 1.00000
  Si10 Si 0.25000 0.26869 0.78903 1.00000
  Si11 Si 0.25000 0.23131 0.28903 1.00000
  Si12 Si 0.75000 0.73131 0.21097 1.00000
  Si13 Si 0.75000 0.97100 0.62768 1.00000
  Si14 Si 0.25000 0.47100 0.87232 1.00000
  Si15 Si 0.25000 0.02900 0.37232 1.00000
  Si16 Si 0.75000 0.52900 0.12768 1.00000
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