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PrSmAs2(SI)4

Alexandria ALEX

Alex-ID: agm010355683 · Space group: P2_1/c (#14)

Basic Information

Formula
PrSmAs2(SI)4
Alex-ID
agm010355683
Elements
5
Sites
48
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
1,600.12
ų
Cell a
8.7116
Å
Cell b
10.1869
Å
Cell c
18.4665
Å
α angle
90.00
°
β angle
102.47
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PrSmAs2(SI)4
Pr
4.00 · 8.3%
Sm
4.00 · 8.3%
As
8.00 · 16.7%
S
16.00 · 33.3%
I
16.00 · 33.3%

Energy & Stability

Energy above hull
0.0035
eV/atom
Formation energy
-1.2069
eV/atom
Corrected total energy
-224.0007
eV
Raw total energy
-213.3853
eV

Electronic Structure

Indirect band gap
2.0204
eV
Direct band gap
2.0801
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D4E4_0_spg14

Decomposition

PrAs(SI)2 SmSI AsSI

Computed at

2025-01-10 20:02:41.380181

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: agm010355683).

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 agm010355683
data_agm010355683
_cell_length_a     8.71162
_cell_length_b     10.18688
_cell_length_c     18.46653
_cell_angle_alpha  90.00000
_cell_angle_beta   102.47295
_cell_angle_gamma  90.00000
_cell_volume       1600.11969
_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
  Pr1 Pr 0.62843 0.07051 0.73744 1.00000
  Pr2 Pr 0.37157 0.57051 0.76256 1.00000
  Pr3 Pr 0.37157 0.92949 0.26256 1.00000
  Pr4 Pr 0.62843 0.42949 0.23744 1.00000
  Sm1 Sm 0.09957 0.04728 0.72647 1.00000
  Sm2 Sm 0.90043 0.54728 0.77353 1.00000
  Sm3 Sm 0.90043 0.95272 0.27353 1.00000
  Sm4 Sm 0.09957 0.45272 0.22647 1.00000
  As1 As 0.76878 0.97862 0.55262 1.00000
  As2 As 0.23122 0.47862 0.94738 1.00000
  As3 As 0.23122 0.02138 0.44738 1.00000
  As4 As 0.76878 0.52138 0.05262 1.00000
  As5 As 0.19511 0.79185 0.90929 1.00000
  As6 As 0.80489 0.29185 0.59071 1.00000
  As7 As 0.80489 0.20815 0.09071 1.00000
  As8 As 0.19511 0.70815 0.40929 1.00000
  S1 S 0.12697 0.76377 0.78482 1.00000
  S2 S 0.87303 0.26377 0.71518 1.00000
  S3 S 0.87303 0.23623 0.21518 1.00000
  S4 S 0.12697 0.73623 0.28482 1.00000
  S5 S 0.40650 0.64163 0.92843 1.00000
  S6 S 0.59350 0.14163 0.57157 1.00000
  S7 S 0.59350 0.35837 0.07157 1.00000
  S8 S 0.40650 0.85837 0.42843 1.00000
  S9 S 0.02193 0.62473 0.93454 1.00000
  S10 S 0.97807 0.12473 0.56546 1.00000
  S11 S 0.97807 0.37527 0.06546 1.00000
  S12 S 0.02193 0.87527 0.43454 1.00000
  S13 S 0.82495 0.90079 0.66993 1.00000
  S14 S 0.17505 0.40079 0.83007 1.00000
  S15 S 0.17505 0.09921 0.33007 1.00000
  S16 S 0.82495 0.59921 0.16993 1.00000
  I1 I 0.40409 0.04690 0.86119 1.00000
  I2 I 0.59591 0.54690 0.63881 1.00000
  I3 I 0.59591 0.95310 0.13881 1.00000
  I4 I 0.40409 0.45310 0.36119 1.00000
  I5 I 0.66359 0.38640 0.85469 1.00000
  I6 I 0.33641 0.88640 0.64531 1.00000
  I7 I 0.33641 0.61360 0.14531 1.00000
  I8 I 0.66359 0.11360 0.35469 1.00000
  I9 I 0.94685 0.05946 0.86992 1.00000
  I10 I 0.05315 0.55946 0.63008 1.00000
  I11 I 0.05315 0.94054 0.13008 1.00000
  I12 I 0.94685 0.44054 0.36992 1.00000
  I13 I 0.32964 0.26627 0.67909 1.00000
  I14 I 0.67036 0.76627 0.82091 1.00000
  I15 I 0.67036 0.73373 0.32091 1.00000
  I16 I 0.32964 0.23373 0.17909 1.00000
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