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Pa2Fe12Ge7

Alexandria ALEX

Alex-ID: agm005659631 · Space group: P-6 (#174)

Alexandria Database API

Basic Information

Formula
Pa2Fe12Ge7
Alex-ID
agm005659631
Elements
3
Sites
21
Space group
P-6 (#174)
Crystal system
hexagonal
Volume
293.73
ų
Cell a
3.8047
Å
Cell b
9.4416
Å
Cell c
9.4416
Å
α angle
120.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pa2Fe12Ge7
Pa
2.00 · 9.5%
Fe
12.00 · 57.1%
Ge
7.00 · 33.3%

Energy & Stability

Energy above hull
0.0838
eV/atom
Formation energy
-0.1750
eV/atom
Corrected total energy
-156.5469
eV
Raw total energy
-156.5469
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0164
eV
DOS at Fermi level
20.8558
Total magnetisation
3.9572
μB

Additional Information

Prototype ID

A2B7C12_1_spg174

Decomposition

Fe5Ge Pa4Fe7Ge6 Pa(Fe2Ge3)2

Computed at

2023-06-21 07:04:50.850344

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: agm005659631).

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 agm005659631
data_agm005659631
_cell_length_a     3.80472
_cell_length_b     9.44161
_cell_length_c     9.44161
_cell_angle_alpha  119.99996
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       293.72775
_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
  Pa1 Pa 0.50000 0.00000 0.00000 1.00000
  Pa2 Pa 0.00000 0.66667 0.33333 1.00000
  Fe1 Fe 0.50000 0.91228 0.60967 1.00000
  Fe2 Fe 0.50000 0.69738 0.08772 1.00000
  Fe3 Fe 0.50000 0.39033 0.30262 1.00000
  Fe4 Fe 0.50000 0.23497 0.77819 1.00000
  Fe5 Fe 0.50000 0.54322 0.76503 1.00000
  Fe6 Fe 0.50000 0.22181 0.45678 1.00000
  Fe7 Fe 0.00000 0.04390 0.53156 1.00000
  Fe8 Fe 0.00000 0.48766 0.95609 1.00000
  Fe9 Fe 0.00000 0.46844 0.51234 1.00000
  Fe10 Fe 0.00000 0.77554 0.72356 1.00000
  Fe11 Fe 0.00000 0.94802 0.22446 1.00000
  Fe12 Fe 0.00000 0.27644 0.05198 1.00000
  Ge1 Ge 0.00000 0.33333 0.66667 1.00000
  Ge2 Ge 0.00000 0.05280 0.78605 1.00000
  Ge3 Ge 0.00000 0.73326 0.94720 1.00000
  Ge4 Ge 0.00000 0.21395 0.26674 1.00000
  Ge5 Ge 0.50000 0.64052 0.56630 1.00000
  Ge6 Ge 0.50000 0.92578 0.35948 1.00000
  Ge7 Ge 0.50000 0.43370 0.07422 1.00000
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