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MgMn6Nb4O18

Alexandria ALEX

Alex-ID: agm005255378 · Space group: P3 (#143)

Basic Information

Formula
MgMn6Nb4O18
Alex-ID
agm005255378
Elements
4
Sites
29
Space group
P3 (#143)
Crystal system
trigonal
Volume
349.51
ų
Cell a
5.3022
Å
Cell b
5.3022
Å
Cell c
14.3555
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
MgMn6Nb4O18
Mg
1.00 · 3.4%
Mn
6.00 · 20.7%
Nb
4.00 · 13.8%
O
18.00 · 62.1%

Energy & Stability

Energy above hull
0.1339
eV/atom
Formation energy
-2.5016
eV/atom
Corrected total energy
-258.6850
eV
Raw total energy
-235.9587
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
3.9696
Total magnetisation
18.0277
μB

Additional Information

Prototype ID

AB4C6D18_18_spg143

Decomposition

Mg2Mn2Nb2O9 MnNb2O6 MgMn3Nb2O9 Mn3O4

Computed at

2023-05-12 14:08:27.317177

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: agm005255378).

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 agm005255378
data_agm005255378
_cell_length_a     5.30222
_cell_length_b     5.30222
_cell_length_c     14.35553
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       349.51480
_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
  Mg1 Mg 0.33333 0.66667 0.18328 1.00000
  Mn1 Mn 0.66667 0.33333 0.70765 1.00000
  Mn2 Mn 0.66667 0.33333 0.00236 1.00000
  Mn3 Mn 0.66667 0.33333 0.49599 1.00000
  Mn4 Mn 0.33333 0.66667 0.49770 1.00000
  Mn5 Mn 0.33333 0.66667 0.97515 1.00000
  Mn6 Mn 0.66667 0.33333 0.28394 1.00000
  Nb1 Nb 0.00000 0.00000 0.85819 1.00000
  Nb2 Nb 0.00000 0.00000 0.13185 1.00000
  Nb3 Nb 0.00000 0.00000 0.64152 1.00000
  Nb4 Nb 0.00000 0.00000 0.34926 1.00000
  O1 O 0.34203 0.34402 0.08017 1.00000
  O2 O 0.70369 0.66120 0.92543 1.00000
  O3 O 0.01734 0.29052 0.23773 1.00000
  O4 O 0.27318 0.98266 0.23773 1.00000
  O5 O 0.00199 0.65797 0.08017 1.00000
  O6 O 0.67767 0.66346 0.58508 1.00000
  O7 O 0.74916 0.04132 0.75149 1.00000
  O8 O 0.95751 0.29631 0.92543 1.00000
  O9 O 0.98619 0.66738 0.40614 1.00000
  O10 O 0.33654 0.01420 0.58508 1.00000
  O11 O 0.29215 0.25084 0.75149 1.00000
  O12 O 0.98580 0.32233 0.58508 1.00000
  O13 O 0.70948 0.72682 0.23773 1.00000
  O14 O 0.33880 0.04249 0.92543 1.00000
  O15 O 0.65598 0.99801 0.08017 1.00000
  O16 O 0.68119 0.01381 0.40614 1.00000
  O17 O 0.33262 0.31881 0.40614 1.00000
  O18 O 0.95868 0.70785 0.75149 1.00000
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