Navigation

HEAS Data Platform · Materials Science Database

Sm3NpTe6

Alexandria ALEX

Alex-ID: agm003578680 · Space group: P2_1/m (#11)

Basic Information

Formula
Sm3NpTe6
Alex-ID
agm003578680
Elements
3
Sites
20
Space group
P2_1/m (#11)
Crystal system
monoclinic
Volume
683.42
ų
Cell a
4.4146
Å
Cell b
12.6521
Å
Cell c
12.9608
Å
α angle
109.25
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm3NpTe6
Sm
6.00 · 30.0%
Np
2.00 · 10.0%
Te
12.00 · 60.0%

Energy & Stability

Energy above hull
0.0398
eV/atom
Formation energy
-1.2067
eV/atom
Corrected total energy
-116.0568
eV
Raw total energy
-116.0568
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0107
eV
DOS at Fermi level
14.0840
Total magnetisation
8.0063
μB

Additional Information

Prototype ID

AB3C6_323_spg11

Decomposition

NpTe2 Sm2Te3 Np3Te4

Computed at

2022-04-02 15:02:18.730639

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: agm003578680).

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 agm003578680
data_agm003578680
_cell_length_a     4.41457
_cell_length_b     12.65206
_cell_length_c     12.96082
_cell_angle_alpha  109.25298
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       683.41929
_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 0.75000 0.42781 0.83362 1.00000
  Sm2 Sm 0.25000 0.57219 0.16638 1.00000
  Sm3 Sm 0.75000 0.68154 0.50283 1.00000
  Sm4 Sm 0.25000 0.31846 0.49717 1.00000
  Sm5 Sm 0.75000 0.15406 0.07708 1.00000
  Sm6 Sm 0.25000 0.84594 0.92292 1.00000
  Np1 Np 0.75000 0.04455 0.69244 1.00000
  Np2 Np 0.25000 0.95545 0.30756 1.00000
  Te1 Te 0.75000 0.48561 0.61973 1.00000
  Te2 Te 0.25000 0.51439 0.38027 1.00000
  Te3 Te 0.75000 0.91618 0.10529 1.00000
  Te4 Te 0.25000 0.08382 0.89471 1.00000
  Te5 Te 0.75000 0.39481 0.06469 1.00000
  Te6 Te 0.25000 0.60519 0.93531 1.00000
  Te7 Te 0.75000 0.75236 0.28154 1.00000
  Te8 Te 0.25000 0.24764 0.71846 1.00000
  Te9 Te 0.75000 0.11183 0.46420 1.00000
  Te10 Te 0.25000 0.88817 0.53580 1.00000
  Te11 Te 0.75000 0.80998 0.75022 1.00000
  Te12 Te 0.25000 0.19002 0.24978 1.00000
Get direct link