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Mn3GeBr9

Alexandria ALEX

Alex-ID: agm005994280 · Space group: Cc (#9)

Basic Information

Formula
Mn3GeBr9
Alex-ID
agm005994280
Elements
3
Sites
26
Space group
Cc (#9)
Crystal system
monoclinic
Volume
926.97
ų
Cell a
9.5225
Å
Cell b
10.4315
Å
Cell c
11.5614
Å
α angle
74.64
°
β angle
65.68
°
γ angle
62.84
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Mn3GeBr9
Mn
6.00 · 23.1%
Ge
2.00 · 7.7%
Br
18.00 · 69.2%

Energy & Stability

Energy above hull
0.1031
eV/atom
Formation energy
-0.6219
eV/atom
Corrected total energy
-110.5343
eV
Raw total energy
-110.5343
eV

Electronic Structure

Indirect band gap
0.0394
eV
Direct band gap
0.0481
eV
DOS at Fermi level
12.3697
Total magnetisation
27.9994
μB

Additional Information

Prototype ID

AB3C9_324_spg9

Decomposition

Mn5GeBr12 GeBr4 MnBr2

Computed at

2023-08-10 04:55:40.942442

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: agm005994280).

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 agm005994280
data_agm005994280
_cell_length_a     9.52245
_cell_length_b     10.43155
_cell_length_c     11.56142
_cell_angle_alpha  74.64468
_cell_angle_beta   65.68078
_cell_angle_gamma  62.84330
_cell_volume       926.97497
_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 0.80440 0.56117 0.68055 1.00000
  Mn2 Mn 0.95388 0.06117 0.18055 1.00000
  Mn3 Mn 0.99634 0.94190 0.82989 1.00000
  Mn4 Mn 0.23187 0.44190 0.32989 1.00000
  Mn5 Mn 0.56824 0.24508 0.72628 1.00000
  Mn6 Mn 0.46040 0.74508 0.22628 1.00000
  Ge1 Ge 0.02506 0.50209 0.00789 1.00000
  Ge2 Ge 0.46495 0.00209 0.50789 1.00000
  Br1 Br 0.33611 0.17993 0.32418 1.00000
  Br2 Br 0.15978 0.67993 0.82418 1.00000
  Br3 Br 0.35270 0.28956 0.93806 1.00000
  Br4 Br 0.41969 0.78956 0.43806 1.00000
  Br5 Br 0.15686 0.08555 0.68540 1.00000
  Br6 Br 0.07220 0.58555 0.18540 1.00000
  Br7 Br 0.72796 0.74406 0.06230 1.00000
  Br8 Br 0.46568 0.24406 0.56230 1.00000
  Br9 Br 0.80348 0.93472 0.36117 1.00000
  Br10 Br 0.90064 0.43472 0.86117 1.00000
  Br11 Br 0.56306 0.79338 0.70374 1.00000
  Br12 Br 0.93983 0.29338 0.20374 1.00000
  Br13 Br 0.49283 0.49110 0.23502 1.00000
  Br14 Br 0.78105 0.99110 0.73502 1.00000
  Br15 Br 0.73143 0.40279 0.60525 1.00000
  Br16 Br 0.26053 0.90279 0.10525 1.00000
  Br17 Br 0.82766 0.08618 0.01811 1.00000
  Br18 Br 0.06804 0.58618 0.51811 1.00000
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