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Na9La(GeTe3)4

Alexandria ALEX

Alex-ID: agm021333892 · Space group: C2 (#5)

Basic Information

Formula
Na9La(GeTe3)4
Alex-ID
agm021333892
Elements
4
Sites
26
Space group
C2 (#5)
Crystal system
monoclinic
Volume
846.83
ų
Cell a
10.1653
Å
Cell b
10.1653
Å
Cell c
8.5628
Å
α angle
78.65
°
β angle
101.35
°
γ angle
97.40
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na9La(GeTe3)4
Na
9.00 · 34.6%
La
1.00 · 3.8%
Ge
4.00 · 15.4%
Te
12.00 · 46.2%

Energy & Stability

Energy above hull
0.0035
eV/atom
Formation energy
-0.7105
eV/atom
Corrected total energy
-91.4404
eV
Raw total energy
-91.4404
eV

Electronic Structure

Indirect band gap
1.0477
eV
Direct band gap
1.0636
eV
DOS at Fermi level
-0.0557
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB4C9D12_0_spg5

Decomposition

NaLaTe2 Na4Ge2Te5

Computed at

2025-02-05 16:00:44

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: agm021333892).

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 agm021333892
data_agm021333892
_cell_length_a     10.16529
_cell_length_b     10.16529
_cell_length_c     8.56284
_cell_angle_alpha  78.65185
_cell_angle_beta   101.34815
_cell_angle_gamma  97.39797
_cell_volume       846.82578
_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
  Na1 Na 0.34960 0.85678 0.74470 1.00000
  Na2 Na 0.85678 0.34960 0.25530 1.00000
  Na3 Na 0.65743 0.14429 0.75249 1.00000
  Na4 Na 0.14429 0.65743 0.24751 1.00000
  Na5 Na 0.99216 0.50139 0.74104 1.00000
  Na6 Na 0.50139 0.99216 0.25896 1.00000
  Na7 Na 0.92538 0.92538 0.50000 1.00000
  Na8 Na 0.06399 0.06399 0.00000 1.00000
  Na9 Na 0.57743 0.57743 0.50000 1.00000
  La1 La 0.42411 0.42411 0.00000 1.00000
  Ge1 Ge 0.72626 0.78131 0.12485 1.00000
  Ge2 Ge 0.21795 0.27860 0.62325 1.00000
  Ge3 Ge 0.78131 0.72626 0.87515 1.00000
  Ge4 Ge 0.27860 0.21795 0.37675 1.00000
  Te1 Te 0.86295 0.63247 0.36908 1.00000
  Te2 Te 0.36993 0.14022 0.86966 1.00000
  Te3 Te 0.63247 0.86295 0.63092 1.00000
  Te4 Te 0.14022 0.36993 0.13034 1.00000
  Te5 Te 0.46234 0.71618 0.11067 1.00000
  Te6 Te 0.96226 0.21671 0.61987 1.00000
  Te7 Te 0.77693 0.03931 0.12104 1.00000
  Te8 Te 0.28617 0.53703 0.62569 1.00000
  Te9 Te 0.03931 0.77693 0.87896 1.00000
  Te10 Te 0.53703 0.28617 0.37431 1.00000
  Te11 Te 0.71618 0.46234 0.88933 1.00000
  Te12 Te 0.21671 0.96226 0.38013 1.00000
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