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AcFeB14

Alexandria ALEX

Alex-ID: agm005755745 · Space group: Imma (#74)

Basic Information

Formula
AcFeB14
Alex-ID
agm005755745
Elements
3
Sites
32
Space group
Imma (#74)
Crystal system
orthorhombic
Volume
271.37
ų
Cell a
5.8718
Å
Cell b
7.5077
Å
Cell c
7.5077
Å
α angle
68.56
°
β angle
66.98
°
γ angle
66.98
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
AcFeB14
Ac
2.00 · 6.3%
Fe
2.00 · 6.3%
B
28.00 · 87.5%

Energy & Stability

Energy above hull
0.1967
eV/atom
Formation energy
-0.0928
eV/atom
Corrected total energy
-215.0798
eV
Raw total energy
-215.0798
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0730
eV
DOS at Fermi level
6.2132
Total magnetisation
5.7287
μB

Additional Information

Prototype ID

ABC14_1_spg74

Decomposition

FeB2 B AcB6

Computed at

2023-07-18 13:56:15.734857

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: agm005755745).

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 agm005755745
data_agm005755745
_cell_length_a     5.87176
_cell_length_b     7.50768
_cell_length_c     7.50768
_cell_angle_alpha  68.55603
_cell_angle_beta   66.98012
_cell_angle_gamma  66.98012
_cell_volume       271.37261
_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 0.25000 0.38004 0.11996 1.00000
  Ac2 Ac 0.75000 0.61996 0.88004 1.00000
  Fe1 Fe 0.50000 0.00000 0.50000 1.00000
  Fe2 Fe 0.00000 0.00000 0.50000 1.00000
  B1 B 0.66471 0.36618 0.30440 1.00000
  B2 B 0.33529 0.63382 0.69560 1.00000
  B3 B 0.16471 0.80440 0.86618 1.00000
  B4 B 0.83529 0.19560 0.13382 1.00000
  B5 B 0.12851 0.23261 0.51037 1.00000
  B6 B 0.87149 0.76739 0.48963 1.00000
  B7 B 0.62851 0.01037 0.73261 1.00000
  B8 B 0.37149 0.98963 0.26739 1.00000
  B9 B 0.08509 0.08042 0.74940 1.00000
  B10 B 0.91491 0.91958 0.25060 1.00000
  B11 B 0.58509 0.24940 0.58042 1.00000
  B12 B 0.41491 0.75060 0.41958 1.00000
  B13 B 0.71720 0.60222 0.28534 1.00000
  B14 B 0.60477 0.39778 0.71466 1.00000
  B15 B 0.21720 0.78534 0.10222 1.00000
  B16 B 0.10477 0.21466 0.89778 1.00000
  B17 B 0.28280 0.39778 0.71466 1.00000
  B18 B 0.39523 0.60222 0.28534 1.00000
  B19 B 0.78280 0.21466 0.89778 1.00000
  B20 B 0.89523 0.78534 0.10222 1.00000
  B21 B 0.32586 0.97289 0.87359 1.00000
  B22 B 0.17234 0.02711 0.12641 1.00000
  B23 B 0.82586 0.37359 0.47289 1.00000
  B24 B 0.67234 0.62641 0.52711 1.00000
  B25 B 0.67414 0.02711 0.12641 1.00000
  B26 B 0.82766 0.97289 0.87359 1.00000
  B27 B 0.17414 0.62641 0.52711 1.00000
  B28 B 0.32766 0.37359 0.47289 1.00000
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