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HEAS Data Platform · Materials Science Database

Ac2Ni12Ge7

Alexandria ALEX

Alex-ID: agm005658763 · Space group: P-6 (#174)

Alexandria Database API

Basic Information

Formula
Ac2Ni12Ge7
Alex-ID
agm005658763
Elements
3
Sites
21
Space group
P-6 (#174)
Crystal system
hexagonal
Volume
311.42
ų
Cell a
3.9463
Å
Cell b
9.5458
Å
Cell c
9.5458
Å
α angle
120.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac2Ni12Ge7
Ac
2.00 · 9.5%
Ni
12.00 · 57.1%
Ge
7.00 · 33.3%

Energy & Stability

Energy above hull
0.0569
eV/atom
Formation energy
-0.4125
eV/atom
Corrected total energy
-118.6083
eV
Raw total energy
-118.6083
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0001
eV
DOS at Fermi level
14.0257
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B7C12_14_spg174

Decomposition

AcNi5Ge3 Ni3Ge Ni5Ge3

Computed at

2023-06-22 08:38:32.312867

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: agm005658763).

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 agm005658763
data_agm005658763
_cell_length_a     3.94626
_cell_length_b     9.54581
_cell_length_c     9.54581
_cell_angle_alpha  120.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       311.41722
_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 0.50000 0.00000 0.00000 1.00000
  Ac2 Ac 0.00000 0.66667 0.33333 1.00000
  Ni1 Ni 0.50000 0.92091 0.61342 1.00000
  Ni2 Ni 0.50000 0.69251 0.07909 1.00000
  Ni3 Ni 0.50000 0.38658 0.30749 1.00000
  Ni4 Ni 0.50000 0.23696 0.76218 1.00000
  Ni5 Ni 0.50000 0.52522 0.76304 1.00000
  Ni6 Ni 0.50000 0.23782 0.47478 1.00000
  Ni7 Ni 0.00000 0.05464 0.52356 1.00000
  Ni8 Ni 0.00000 0.46893 0.94536 1.00000
  Ni9 Ni 0.00000 0.47644 0.53107 1.00000
  Ni10 Ni 0.00000 0.79020 0.71554 1.00000
  Ni11 Ni 0.00000 0.92535 0.20980 1.00000
  Ni12 Ni 0.00000 0.28446 0.07465 1.00000
  Ge1 Ge 0.00000 0.33333 0.66667 1.00000
  Ge2 Ge 0.00000 0.07234 0.78056 1.00000
  Ge3 Ge 0.00000 0.70822 0.92766 1.00000
  Ge4 Ge 0.00000 0.21944 0.29178 1.00000
  Ge5 Ge 0.50000 0.64120 0.58504 1.00000
  Ge6 Ge 0.50000 0.94384 0.35880 1.00000
  Ge7 Ge 0.50000 0.41496 0.05616 1.00000
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