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Mn7Nb3B2

Alexandria ALEX

Alex-ID: agm024473359 · Space group: C2/m (#12)

Basic Information

Formula
Mn7Nb3B2
Alex-ID
agm024473359
Elements
3
Sites
12
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
142.80
ų
Cell a
4.8711
Å
Cell b
4.8711
Å
Cell c
7.5666
Å
α angle
70.87
°
β angle
109.13
°
γ angle
120.84
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Mn7Nb3B2
Mn
7.00 · 58.3%
Nb
3.00 · 25.0%
B
2.00 · 16.7%

Energy & Stability

Energy above hull
0.0786
eV/atom
Formation energy
-0.2319
eV/atom
Corrected total energy
-110.5342
eV
Raw total energy
-110.5342
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0005
eV
DOS at Fermi level
12.3342
Total magnetisation
4.9171
μB

Additional Information

Prototype ID

A2B3C7_68_spg146

Decomposition

MnNbB Mn2Nb Mn

Computed at

2025-05-15 10:27:17

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: agm024473359).

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 agm024473359
data_agm024473359
_cell_length_a     4.87113
_cell_length_b     4.87113
_cell_length_c     7.56663
_cell_angle_alpha  70.87458
_cell_angle_beta   109.12542
_cell_angle_gamma  120.83548
_cell_volume       142.80181
_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 0.56637 0.93077 0.70315 1.00000
  Mn2 Mn 0.06923 0.43363 0.70315 1.00000
  Mn3 Mn 0.08830 0.91170 0.75648 1.00000
  Mn4 Mn 0.91170 0.08830 0.24352 1.00000
  Mn5 Mn 0.93077 0.56637 0.29685 1.00000
  Mn6 Mn 0.43363 0.06923 0.29685 1.00000
  Mn7 Mn 0.00000 0.00000 0.00000 1.00000
  Nb1 Nb 0.63938 0.36062 0.92749 1.00000
  Nb2 Nb 0.36062 0.63938 0.07251 1.00000
  Nb3 Nb 0.50000 0.50000 0.50000 1.00000
  B1 B 0.88637 0.11363 0.50211 1.00000
  B2 B 0.11363 0.88637 0.49789 1.00000
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