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MnNb3Se20

Alexandria ALEX

Alex-ID: agm008243648 · Space group: Amm2 (#38)

Basic Information

Formula
MnNb3Se20
Alex-ID
agm008243648
Elements
3
Sites
24
Space group
Amm2 (#38)
Crystal system
orthorhombic
Volume
683.10
ų
Cell a
3.5935
Å
Cell b
8.0899
Å
Cell c
25.1358
Å
α angle
93.57
°
β angle
106.49
°
γ angle
77.14
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
MnNb3Se20
Mn
1.00 · 4.2%
Nb
3.00 · 12.5%
Se
20.00 · 83.3%

Energy & Stability

Energy above hull
0.0688
eV/atom
Formation energy
-0.3457
eV/atom
Corrected total energy
-117.4888
eV
Raw total energy
-117.4888
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0008
eV
DOS at Fermi level
5.0036
Total magnetisation
4.2943
μB

Additional Information

Prototype ID

AB3C20_1_spg38

Decomposition

Nb2Se9 MnSe2 Se

Computed at

2024-04-22 22:43:04.684158

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: agm008243648).

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 agm008243648
data_agm008243648
_cell_length_a     3.59346
_cell_length_b     8.08990
_cell_length_c     25.13576
_cell_angle_alpha  93.56726
_cell_angle_beta   106.48631
_cell_angle_gamma  77.13952
_cell_volume       683.09738
_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
  Mn1 Mn 0.63005 0.73938 0.99999 1.00000
  Nb1 Nb 0.73371 0.53159 0.49995 1.00000
  Nb2 Nb 0.77305 0.39635 0.23513 1.00000
  Nb3 Nb 0.83088 0.39686 0.76491 1.00000
  Se1 Se 0.14391 0.90866 0.04959 1.00000
  Se2 Se 0.22369 0.74311 0.54834 1.00000
  Se3 Se 0.24161 0.22072 0.17487 1.00000
  Se4 Se 0.37549 0.16479 0.72880 1.00000
  Se5 Se 0.94675 0.90927 0.95047 1.00000
  Se6 Se 0.03132 0.74286 0.45128 1.00000
  Se7 Se 0.46134 0.16428 0.27140 1.00000
  Se8 Se 0.53871 0.22116 0.82529 1.00000
  Se9 Se 0.19067 0.63926 0.25431 1.00000
  Se10 Se 0.16950 0.63976 0.74560 1.00000
  Se11 Se 0.32341 0.35414 0.00001 1.00000
  Se12 Se 0.35802 0.28431 0.50013 1.00000
  Se13 Se 0.90811 0.48627 0.07475 1.00000
  Se14 Se 0.01435 0.37159 0.59948 1.00000
  Se15 Se 0.48791 0.59816 0.14445 1.00000
  Se16 Se 0.56240 0.51571 0.66037 1.00000
  Se17 Se 0.60637 0.48676 0.92523 1.00000
  Se18 Se 0.61380 0.37113 0.40060 1.00000
  Se19 Se 0.92104 0.51517 0.33958 1.00000
  Se20 Se 0.91390 0.59871 0.85548 1.00000
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