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Nd9Np3Si8(S8Br)4

Alexandria ALEX

Alex-ID: agm010659635 · Space group: P1 (#1)

Basic Information

Formula
Nd9Np3Si8(S8Br)4
Alex-ID
agm010659635
Elements
5
Sites
56
Space group
P1 (#1)
Crystal system
triclinic
Volume
1,327.20
ų
Cell a
8.7968
Å
Cell b
13.4258
Å
Cell c
13.4123
Å
α angle
109.96
°
β angle
109.95
°
γ angle
99.43
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Nd9Np3Si8(S8Br)4
Nd
9.00 · 16.1%
Np
3.00 · 5.4%
Si
8.00 · 14.3%
S
32.00 · 57.1%
Br
4.00 · 7.1%

Energy & Stability

Energy above hull
0.0245
eV/atom
Formation energy
-1.7517
eV/atom
Corrected total energy
-362.0244
eV
Raw total energy
-340.7937
eV

Electronic Structure

Indirect band gap
0.2477
eV
Direct band gap
0.2541
eV
DOS at Fermi level
8.7100
Total magnetisation
3.9955
μB

Additional Information

Prototype ID

A3B4C8D9E32_0_spg1

Decomposition

Nd3Si2S8Br Np2S3 NdBr3 SiS2

Computed at

2025-03-08 09:19:53

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: agm010659635).

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 agm010659635
data_agm010659635
_cell_length_a     8.79683
_cell_length_b     13.42580
_cell_length_c     13.41229
_cell_angle_alpha  109.95936
_cell_angle_beta   109.95438
_cell_angle_gamma  99.43021
_cell_volume       1327.19707
_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
  Nd1 Nd 0.60746 0.68265 0.99738 1.00000
  Nd2 Nd 0.60523 0.05520 0.87047 1.00000
  Nd3 Nd 0.60488 0.55535 0.37032 1.00000
  Nd4 Nd 0.39094 0.81689 0.50135 1.00000
  Nd5 Nd 0.39402 0.31794 0.00185 1.00000
  Nd6 Nd 0.00053 0.07286 0.32325 1.00000
  Nd7 Nd 0.00379 0.56886 0.82417 1.00000
  Nd8 Nd 0.99808 0.92791 0.67736 1.00000
  Nd9 Nd 0.99857 0.42900 0.17591 1.00000
  Np1 Np 0.39728 0.94832 0.12912 1.00000
  Np2 Np 0.39875 0.44569 0.62746 1.00000
  Np3 Np 0.60335 0.17972 0.49780 1.00000
  Si1 Si 0.32006 0.08275 0.61351 1.00000
  Si2 Si 0.32329 0.58331 0.11357 1.00000
  Si3 Si 0.68063 0.70290 0.67216 1.00000
  Si4 Si 0.67987 0.20405 0.17318 1.00000
  Si5 Si 0.67584 0.91892 0.38555 1.00000
  Si6 Si 0.67701 0.41674 0.88425 1.00000
  Si7 Si 0.32169 0.29543 0.32852 1.00000
  Si8 Si 0.32101 0.79549 0.82847 1.00000
  S1 S 0.29877 0.20288 0.54413 1.00000
  S2 S 0.29981 0.70378 0.04505 1.00000
  S3 S 0.70266 0.14577 0.30474 1.00000
  S4 S 0.70596 0.64166 0.80190 1.00000
  S5 S 0.70087 0.80020 0.45726 1.00000
  S6 S 0.70191 0.29843 0.95674 1.00000
  S7 S 0.29521 0.85610 0.69811 1.00000
  S8 S 0.29515 0.35587 0.19772 1.00000
  S9 S 0.56712 0.06382 0.64841 1.00000
  S10 S 0.57008 0.56429 0.14906 1.00000
  S11 S 0.43163 0.61423 0.53069 1.00000
  S12 S 0.43118 0.11532 0.03130 1.00000
  S13 S 0.42821 0.93616 0.34878 1.00000
  S14 S 0.43086 0.43546 0.84857 1.00000
  S15 S 0.56967 0.38308 0.47000 1.00000
  S16 S 0.56892 0.88522 0.97035 1.00000
  S17 S 0.13122 0.92988 0.48165 1.00000
  S18 S 0.13460 0.43037 0.98056 1.00000
  S19 S 0.86739 0.66720 0.61173 1.00000
  S20 S 0.86652 0.16605 0.11342 1.00000
  S21 S 0.86416 0.07208 0.51841 1.00000
  S22 S 0.86685 0.56908 0.01764 1.00000
  S23 S 0.13540 0.33282 0.38956 1.00000
  S24 S 0.13524 0.83299 0.88972 1.00000
  S25 S 0.29122 0.12375 0.77196 1.00000
  S26 S 0.29268 0.62362 0.27131 1.00000
  S27 S 0.70722 0.87527 0.72855 1.00000
  S28 S 0.70903 0.37681 0.22860 1.00000
  S29 S 0.70556 0.87838 0.22777 1.00000
  S30 S 0.70674 0.37419 0.72614 1.00000
  S31 S 0.29330 0.12259 0.27273 1.00000
  S32 S 0.29373 0.62282 0.77161 1.00000
  Br1 Br 0.00328 0.62760 0.37639 1.00000
  Br2 Br 0.99927 0.12610 0.87635 1.00000
  Br3 Br 0.99902 0.37283 0.62359 1.00000
  Br4 Br 0.99726 0.87331 0.12380 1.00000
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