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Sm4Sc8Ni15As16

Alexandria ALEX

Alex-ID: agm018841599 · Space group: Pm (#6)

Basic Information

Formula
Sm4Sc8Ni15As16
Alex-ID
agm018841599
Elements
4
Sites
43
Space group
Pm (#6)
Crystal system
monoclinic
Volume
713.01
ų
Cell a
9.3324
Å
Cell b
3.9351
Å
Cell c
19.5656
Å
α angle
90.00
°
β angle
97.11
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm4Sc8Ni15As16
Sm
4.00 · 9.3%
Sc
8.00 · 18.6%
Ni
15.00 · 34.9%
As
16.00 · 37.2%

Energy & Stability

Energy above hull
0.0024
eV/atom
Formation energy
-0.9524
eV/atom
Corrected total energy
-271.6513
eV
Raw total energy
-271.6513
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0236
eV
DOS at Fermi level
16.6300
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A4B8C15D16_0_spg6

Decomposition

Ni11As8 Sc2Ni4As3 Sm5Sc3(Ni4As3)4 ScAs

Computed at

2025-01-03 12:26:14

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: agm018841599).

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 agm018841599
data_agm018841599
_cell_length_a     9.33236
_cell_length_b     3.93515
_cell_length_c     19.56557
_cell_angle_alpha  90.00000
_cell_angle_beta   97.10876
_cell_angle_gamma  90.00000
_cell_volume       713.00704
_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 0.36356 0.00000 0.62598 1.00000
  Sm2 Sm 0.35662 0.00000 0.12115 1.00000
  Sm3 Sm 0.62585 0.50000 0.87327 1.00000
  Sm4 Sm 0.64169 0.50000 0.37829 1.00000
  Sc1 Sc 0.12233 0.00000 0.94806 1.00000
  Sc2 Sc 0.12668 0.00000 0.44831 1.00000
  Sc3 Sc 0.87929 0.50000 0.55347 1.00000
  Sc4 Sc 0.87035 0.50000 0.04982 1.00000
  Sc5 Sc 0.15616 0.00000 0.77388 1.00000
  Sc6 Sc 0.13926 0.00000 0.27133 1.00000
  Sc7 Sc 0.86346 0.50000 0.72901 1.00000
  Sc8 Sc 0.85843 0.50000 0.22790 1.00000
  Ni1 Ni 0.88462 0.00000 0.84064 1.00000
  Ni2 Ni 0.88340 0.00000 0.34193 1.00000
  Ni3 Ni 0.11997 0.50000 0.65888 1.00000
  Ni4 Ni 0.11400 0.50000 0.15844 1.00000
  Ni5 Ni 0.60435 0.00000 0.50886 1.00000
  Ni6 Ni 0.59670 0.00000 0.00823 1.00000
  Ni7 Ni 0.39278 0.50000 0.99155 1.00000
  Ni8 Ni 0.40025 0.50000 0.49155 1.00000
  Ni9 Ni 0.70794 0.00000 0.63940 1.00000
  Ni10 Ni 0.70302 0.00000 0.13883 1.00000
  Ni11 Ni 0.29325 0.50000 0.86236 1.00000
  Ni12 Ni 0.29483 0.50000 0.36127 1.00000
  Ni13 Ni 0.43059 0.00000 0.29694 1.00000
  Ni14 Ni 0.57225 0.50000 0.70384 1.00000
  Ni15 Ni 0.56757 0.50000 0.20234 1.00000
  As1 As 0.97362 0.00000 0.65208 1.00000
  As2 As 0.96584 0.00000 0.14907 1.00000
  As3 As 0.03217 0.50000 0.85049 1.00000
  As4 As 0.03164 0.50000 0.35011 1.00000
  As5 As 0.82036 0.00000 0.95560 1.00000
  As6 As 0.83008 0.00000 0.45943 1.00000
  As7 As 0.17670 0.50000 0.54257 1.00000
  As8 As 0.16757 0.50000 0.04149 1.00000
  As9 As 0.66803 0.00000 0.76103 1.00000
  As10 As 0.66743 0.00000 0.26107 1.00000
  As11 As 0.33786 0.50000 0.74179 1.00000
  As12 As 0.33072 0.50000 0.23846 1.00000
  As13 As 0.40403 0.00000 0.91424 1.00000
  As14 As 0.41074 0.00000 0.41720 1.00000
  As15 As 0.59242 0.50000 0.58308 1.00000
  As16 As 0.58702 0.50000 0.08169 1.00000
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