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Li7CuSi2

Alexandria ALEX

Alex-ID: agm005237114 · Space group: Pnma (#62)

Basic Information

Formula
Li7CuSi2
Alex-ID
agm005237114
Elements
3
Sites
40
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
599.34
ų
Cell a
7.9620
Å
Cell b
4.4140
Å
Cell c
17.0535
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Li7CuSi2
Li
28.00 · 70.0%
Cu
4.00 · 10.0%
Si
8.00 · 20.0%

Energy & Stability

Energy above hull
0.0062
eV/atom
Formation energy
-0.2251
eV/atom
Corrected total energy
-122.6166
eV
Raw total energy
-122.6165
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.2281
eV
DOS at Fermi level
9.4579
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C7_1877_spg62

Decomposition

Li17Si4 Li6Cu7 Li5(CuSi)2

Computed at

2024-10-05 22:57:50

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: agm005237114).

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 agm005237114
data_agm005237114
_cell_length_a     7.96196
_cell_length_b     4.41405
_cell_length_c     17.05353
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       599.33753
_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
  Li1 Li 0.01001 0.25000 0.81712 1.00000
  Li2 Li 0.51001 0.25000 0.68288 1.00000
  Li3 Li 0.98999 0.75000 0.18288 1.00000
  Li4 Li 0.48999 0.75000 0.31712 1.00000
  Li5 Li 0.05017 0.25000 0.96789 1.00000
  Li6 Li 0.55017 0.25000 0.53211 1.00000
  Li7 Li 0.94983 0.75000 0.03211 1.00000
  Li8 Li 0.44983 0.75000 0.46789 1.00000
  Li9 Li 0.32158 0.25000 0.25660 1.00000
  Li10 Li 0.82158 0.25000 0.24340 1.00000
  Li11 Li 0.67842 0.75000 0.74340 1.00000
  Li12 Li 0.17842 0.75000 0.75660 1.00000
  Li13 Li 0.33461 0.25000 0.81354 1.00000
  Li14 Li 0.83461 0.25000 0.68646 1.00000
  Li15 Li 0.66539 0.75000 0.18646 1.00000
  Li16 Li 0.16539 0.75000 0.31354 1.00000
  Li17 Li 0.38615 0.25000 0.95978 1.00000
  Li18 Li 0.88615 0.25000 0.54022 1.00000
  Li19 Li 0.61385 0.75000 0.04022 1.00000
  Li20 Li 0.11385 0.75000 0.45978 1.00000
  Li21 Li 0.49235 0.25000 0.12180 1.00000
  Li22 Li 0.99235 0.25000 0.37820 1.00000
  Li23 Li 0.50765 0.75000 0.87820 1.00000
  Li24 Li 0.00765 0.75000 0.62180 1.00000
  Li25 Li 0.65190 0.25000 0.38035 1.00000
  Li26 Li 0.15190 0.25000 0.11965 1.00000
  Li27 Li 0.34810 0.75000 0.61965 1.00000
  Li28 Li 0.84810 0.75000 0.88035 1.00000
  Cu1 Cu 0.22237 0.25000 0.53714 1.00000
  Cu2 Cu 0.72237 0.25000 0.96286 1.00000
  Cu3 Cu 0.77763 0.75000 0.46286 1.00000
  Cu4 Cu 0.27763 0.75000 0.03714 1.00000
  Si1 Si 0.16955 0.25000 0.67038 1.00000
  Si2 Si 0.66955 0.25000 0.82962 1.00000
  Si3 Si 0.83045 0.75000 0.32962 1.00000
  Si4 Si 0.33045 0.75000 0.17038 1.00000
  Si5 Si 0.31556 0.25000 0.40751 1.00000
  Si6 Si 0.81556 0.25000 0.09249 1.00000
  Si7 Si 0.68444 0.75000 0.59249 1.00000
  Si8 Si 0.18444 0.75000 0.90751 1.00000
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