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Ca2UAs3

Alexandria ALEX

Alex-ID: agm005691163 · Space group: Fddd (#70)

Basic Information

Formula
Ca2UAs3
Alex-ID
agm005691163
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
624.10
ų
Cell a
7.2539
Å
Cell b
7.2539
Å
Cell c
13.2679
Å
α angle
100.46
°
β angle
100.46
°
γ angle
109.62
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca2UAs3
Ca
8.00 · 33.3%
U
4.00 · 16.7%
As
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-1.0367
eV/atom
Corrected total energy
-141.9537
eV
Raw total energy
-141.9537
eV

Electronic Structure

Indirect band gap
0.0214
eV
Direct band gap
0.0214
eV
DOS at Fermi level
15.6121
Total magnetisation
4.0018
μB

Additional Information

Prototype ID

AB2C3_36_spg70

Decomposition

Ca2UAs3

Computed at

2023-08-07 06:25:46.300483

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: agm005691163).

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 agm005691163
data_agm005691163
_cell_length_a     7.25387
_cell_length_b     7.25387
_cell_length_c     13.26785
_cell_angle_alpha  100.46086
_cell_angle_beta   100.46085
_cell_angle_gamma  109.62204
_cell_volume       624.10324
_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 0.99803 0.49803 0.99605 1.00000
  Ca2 Ca 0.41885 0.41885 0.83769 1.00000
  Ca3 Ca 0.83115 0.33115 0.66231 1.00000
  Ca4 Ca 0.25197 0.25197 0.50395 1.00000
  Ca5 Ca 0.74803 0.74803 0.49605 1.00000
  Ca6 Ca 0.66885 0.16885 0.33769 1.00000
  Ca7 Ca 0.58115 0.58115 0.16231 1.00000
  Ca8 Ca 0.50197 0.00198 0.00395 1.00000
  U1 U 0.91637 0.91637 0.83274 1.00000
  U2 U 0.33363 0.83363 0.66726 1.00000
  U3 U 0.16637 0.66637 0.33274 1.00000
  U4 U 0.08363 0.08363 0.16726 1.00000
  As1 As 0.16070 0.68366 0.82464 1.00000
  As2 As 0.66394 0.14098 0.82464 1.00000
  As3 As 0.08930 0.06634 0.67536 1.00000
  As4 As 0.58606 0.60902 0.67536 1.00000
  As5 As 0.02127 0.52127 0.50000 1.00000
  As6 As 0.47873 0.97873 0.50000 1.00000
  As7 As 0.39098 0.41394 0.32464 1.00000
  As8 As 0.93366 0.91070 0.32464 1.00000
  As9 As 0.85902 0.33606 0.17536 1.00000
  As10 As 0.31634 0.83930 0.17536 1.00000
  As11 As 0.22873 0.22873 1.00000 1.00000
  As12 As 0.77127 0.77127 0.00000 1.00000
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