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U2Ta3Ge4

Alexandria ALEX

Alex-ID: agm005235355 · Space group: Pnma (#62)

Basic Information

Formula
U2Ta3Ge4
Alex-ID
agm005235355
Elements
3
Sites
36
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
677.31
ų
Cell a
7.0111
Å
Cell b
7.1681
Å
Cell c
13.4771
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
U2Ta3Ge4
U
8.00 · 22.2%
Ta
12.00 · 33.3%
Ge
16.00 · 44.4%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.3557
eV/atom
Corrected total energy
-319.2184
eV
Raw total energy
-319.2184
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0019
eV
DOS at Fermi level
51.7390
Total magnetisation
18.9630
μB

Additional Information

Prototype ID

A2B3C4_226_spg92

Decomposition

U2Ta3Ge4

Computed at

2024-10-19 23:17:10

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: agm005235355).

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 agm005235355
data_agm005235355
_cell_length_a     7.01106
_cell_length_b     7.16815
_cell_length_c     13.47709
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       677.30863
_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
  U1 U 0.49250 0.33078 0.59036 1.00000
  U2 U 0.50750 0.66922 0.40964 1.00000
  U3 U 0.00750 0.83078 0.40964 1.00000
  U4 U 0.50750 0.66922 0.09036 1.00000
  U5 U 0.99250 0.16922 0.59036 1.00000
  U6 U 0.49250 0.33078 0.90964 1.00000
  U7 U 0.99250 0.16922 0.90964 1.00000
  U8 U 0.00750 0.83078 0.09036 1.00000
  Ta1 Ta 0.33345 0.99381 0.75000 1.00000
  Ta2 Ta 0.66655 0.00619 0.25000 1.00000
  Ta3 Ta 0.16655 0.49381 0.25000 1.00000
  Ta4 Ta 0.83345 0.50619 0.75000 1.00000
  Ta5 Ta 0.16097 0.66503 0.62551 1.00000
  Ta6 Ta 0.83903 0.33497 0.37449 1.00000
  Ta7 Ta 0.33903 0.16503 0.37449 1.00000
  Ta8 Ta 0.83903 0.33497 0.12551 1.00000
  Ta9 Ta 0.66097 0.83497 0.62551 1.00000
  Ta10 Ta 0.16097 0.66503 0.87449 1.00000
  Ta11 Ta 0.66097 0.83497 0.87449 1.00000
  Ta12 Ta 0.33903 0.16503 0.12551 1.00000
  Ge1 Ge 0.32629 0.95631 0.54359 1.00000
  Ge2 Ge 0.67371 0.04369 0.45641 1.00000
  Ge3 Ge 0.17371 0.45631 0.45641 1.00000
  Ge4 Ge 0.67371 0.04369 0.04359 1.00000
  Ge5 Ge 0.82629 0.54369 0.54359 1.00000
  Ge6 Ge 0.32629 0.95631 0.95641 1.00000
  Ge7 Ge 0.82629 0.54369 0.95641 1.00000
  Ge8 Ge 0.17371 0.45631 0.04359 1.00000
  Ge9 Ge 0.19156 0.35626 0.75000 1.00000
  Ge10 Ge 0.80844 0.64374 0.25000 1.00000
  Ge11 Ge 0.30844 0.85626 0.25000 1.00000
  Ge12 Ge 0.69156 0.14374 0.75000 1.00000
  Ge13 Ge 0.46159 0.62299 0.75000 1.00000
  Ge14 Ge 0.53841 0.37701 0.25000 1.00000
  Ge15 Ge 0.03841 0.12299 0.25000 1.00000
  Ge16 Ge 0.96159 0.87701 0.75000 1.00000
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