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Ca3Sm(UAs3)2

Alexandria ALEX

Alex-ID: agm033299484 · Space group: C2/m (#12)

Basic Information

Formula
Ca3Sm(UAs3)2
Alex-ID
agm033299484
Elements
4
Sites
12
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
312.89
ų
Cell a
9.3571
Å
Cell b
9.3571
Å
Cell c
8.4085
Å
α angle
77.11
°
β angle
102.89
°
γ angle
154.11
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca3Sm(UAs3)2
Ca
3.00 · 25.0%
Sm
1.00 · 8.3%
U
2.00 · 16.7%
As
6.00 · 50.0%

Energy & Stability

Energy above hull
0.0106
eV/atom
Formation energy
-1.0877
eV/atom
Corrected total energy
-74.2552
eV
Raw total energy
-74.2551
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0010
eV
DOS at Fermi level
12.9166
Total magnetisation
3.0027
μB

Additional Information

Prototype ID

AB2C3D6_125_spg2

Decomposition

CaUAs2 Ca2UAs3 SmAs

Computed at

2025-03-02 07:22:22

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: agm033299484).

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 agm033299484
data_agm033299484
_cell_length_a     9.35714
_cell_length_b     9.35714
_cell_length_c     8.40849
_cell_angle_alpha  77.11157
_cell_angle_beta   102.88843
_cell_angle_gamma  154.11393
_cell_volume       312.88733
_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 0.50000 0.50000 0.50000 1.00000
  Ca2 Ca 0.83566 0.16434 0.16730 1.00000
  Ca3 Ca 0.16434 0.83566 0.83270 1.00000
  Sm1 Sm 0.50000 0.50000 0.00000 1.00000
  U1 U 0.83459 0.16541 0.66927 1.00000
  U2 U 0.16541 0.83459 0.33073 1.00000
  As1 As 0.33337 0.66663 0.90056 1.00000
  As2 As 0.67276 0.32724 0.56960 1.00000
  As3 As 0.66663 0.33337 0.09944 1.00000
  As4 As 0.00728 0.99272 0.25194 1.00000
  As5 As 0.99272 0.00728 0.74806 1.00000
  As6 As 0.32724 0.67276 0.43040 1.00000
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