Navigation

HEAS Data Platform · Materials Science Database

Ac3MnGe2

Alexandria ALEX

Alex-ID: agm012272607 · Space group: Pnma (#62)

Basic Information

Formula
Ac3MnGe2
Alex-ID
agm012272607
Elements
3
Sites
24
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
721.89
ų
Cell a
4.5396
Å
Cell b
12.6116
Å
Cell c
12.6090
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac3MnGe2
Ac
12.00 · 50.0%
Mn
4.00 · 16.7%
Ge
8.00 · 33.3%

Energy & Stability

Energy above hull
0.0920
eV/atom
Formation energy
-0.4601
eV/atom
Corrected total energy
-133.9607
eV
Raw total energy
-133.9607
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0019
eV
DOS at Fermi level
19.7092
Total magnetisation
9.2800
μB

Additional Information

Prototype ID

AB2C3_1909_spg14

Decomposition

Ac4Ge3 Ac Mn

Computed at

2025-04-14 04:29:42

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: agm012272607).

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 agm012272607
data_agm012272607
_cell_length_a     4.53964
_cell_length_b     12.61164
_cell_length_c     12.60901
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       721.89474
_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
  Ac1 Ac 0.75000 0.93856 0.38161 1.00000
  Ac2 Ac 0.25000 0.06144 0.61839 1.00000
  Ac3 Ac 0.25000 0.56144 0.88161 1.00000
  Ac4 Ac 0.75000 0.43856 0.11839 1.00000
  Ac5 Ac 0.75000 0.79501 0.70217 1.00000
  Ac6 Ac 0.25000 0.20499 0.29783 1.00000
  Ac7 Ac 0.25000 0.70499 0.20217 1.00000
  Ac8 Ac 0.75000 0.29501 0.79783 1.00000
  Ac9 Ac 0.75000 0.61563 0.44372 1.00000
  Ac10 Ac 0.25000 0.38437 0.55628 1.00000
  Ac11 Ac 0.25000 0.88437 0.94372 1.00000
  Ac12 Ac 0.75000 0.11563 0.05628 1.00000
  Mn1 Mn 0.75000 0.86972 0.13645 1.00000
  Mn2 Mn 0.25000 0.13028 0.86355 1.00000
  Mn3 Mn 0.25000 0.63028 0.63645 1.00000
  Mn4 Mn 0.75000 0.36972 0.36355 1.00000
  Ge1 Ge 0.75000 0.53657 0.68645 1.00000
  Ge2 Ge 0.25000 0.46343 0.31355 1.00000
  Ge3 Ge 0.25000 0.96343 0.18645 1.00000
  Ge4 Ge 0.75000 0.03657 0.81355 1.00000
  Ge5 Ge 0.75000 0.70052 0.01415 1.00000
  Ge6 Ge 0.25000 0.29948 0.98585 1.00000
  Ge7 Ge 0.25000 0.79948 0.51415 1.00000
  Ge8 Ge 0.75000 0.20052 0.48585 1.00000
Get direct link