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SmYAs2

Alexandria ALEX

Alex-ID: agm077230280 · Space group: Cm (#8)

Basic Information

Formula
SmYAs2
Alex-ID
agm077230280
Elements
3
Sites
24
Space group
Cm (#8)
Crystal system
monoclinic
Volume
615.16
ų
Cell a
9.3257
Å
Cell b
9.3257
Å
Cell c
13.1959
Å
α angle
64.83
°
β angle
115.17
°
γ angle
143.16
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmYAs2
Sm
6.00 · 25.0%
Y
6.00 · 25.0%
As
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0028
eV/atom
Formation energy
-1.5393
eV/atom
Corrected total energy
-159.8581
eV
Raw total energy
-159.8581
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0235
eV
DOS at Fermi level
2.9963
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_12576_spg8

Decomposition

YAs SmAs

Computed at

2025-02-04 07:11:10

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: agm077230280).

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 agm077230280
data_agm077230280
_cell_length_a     9.32570
_cell_length_b     9.32570
_cell_length_c     13.19588
_cell_angle_alpha  64.83330
_cell_angle_beta   115.16670
_cell_angle_gamma  143.15624
_cell_volume       615.16010
_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
  Sm1 Sm 0.24985 0.75015 0.95735 1.00000
  Sm2 Sm 0.50039 0.49961 0.20936 1.00000
  Sm3 Sm 0.16717 0.83283 0.20999 1.00000
  Sm4 Sm 0.83319 0.16681 0.20847 1.00000
  Sm5 Sm 0.99975 0.00025 0.70792 1.00000
  Sm6 Sm 0.91596 0.08404 0.95713 1.00000
  Y1 Y 0.41708 0.58292 0.45984 1.00000
  Y2 Y 0.74984 0.25016 0.45858 1.00000
  Y3 Y 0.33320 0.66680 0.70741 1.00000
  Y4 Y 0.66595 0.33405 0.70714 1.00000
  Y5 Y 0.08366 0.91634 0.45933 1.00000
  Y6 Y 0.58307 0.41693 0.95785 1.00000
  As1 As 0.25080 0.74920 0.46077 1.00000
  As2 As 0.66663 0.33337 0.20857 1.00000
  As3 As 0.91655 0.08345 0.45852 1.00000
  As4 As 0.49997 0.50003 0.70844 1.00000
  As5 As 0.16728 0.83272 0.70616 1.00000
  As6 As 0.58387 0.41613 0.46043 1.00000
  As7 As 0.74762 0.25238 0.95572 1.00000
  As8 As 0.83097 0.16903 0.70576 1.00000
  As9 As 0.00062 0.99938 0.21050 1.00000
  As10 As 0.33416 0.66584 0.21078 1.00000
  As11 As 0.41731 0.58269 0.95614 1.00000
  As12 As 0.08336 0.91664 0.95861 1.00000
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