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Ac7TcBr12

Alexandria ALEX

Alex-ID: agm005774507 · Space group: R-3 (#148)

Basic Information

Formula
Ac7TcBr12
Alex-ID
agm005774507
Elements
3
Sites
20
Space group
R-3 (#148)
Crystal system
trigonal
Volume
891.81
ų
Cell a
11.6870
Å
Cell b
10.1631
Å
Cell c
10.1631
Å
α angle
106.24
°
β angle
112.54
°
γ angle
112.54
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac7TcBr12
Ac
7.00 · 35.0%
Tc
1.00 · 5.0%
Br
12.00 · 60.0%

Energy & Stability

Energy above hull
0.0579
eV/atom
Formation energy
-1.5979
eV/atom
Corrected total energy
-91.1576
eV
Raw total energy
-91.1576
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0210
eV
DOS at Fermi level
7.3887
Total magnetisation
2.0552
μB

Additional Information

Prototype ID

AB7C12_36_spg148

Decomposition

Ac Tc AcBr3

Computed at

2023-07-15 14:46:39.990845

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: agm005774507).

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 agm005774507
data_agm005774507
_cell_length_a     11.68699
_cell_length_b     10.16312
_cell_length_c     10.16312
_cell_angle_alpha  106.23667
_cell_angle_beta   112.53910
_cell_angle_gamma  112.53909
_cell_volume       891.80935
_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 0.10815 0.80294 0.09715 1.00000
  Ac2 Ac 0.98900 0.09715 0.29421 1.00000
  Ac3 Ac 0.69479 0.70579 0.80294 1.00000
  Ac4 Ac 0.50000 0.00000 0.00000 1.00000
  Ac5 Ac 0.30521 0.29421 0.19706 1.00000
  Ac6 Ac 0.01100 0.90285 0.70579 1.00000
  Ac7 Ac 0.89185 0.19706 0.90285 1.00000
  Tc1 Tc 0.00000 0.00000 0.00000 1.00000
  Br1 Br 0.20735 0.52979 0.12501 1.00000
  Br2 Br 0.91766 0.12501 0.59522 1.00000
  Br3 Br 0.63062 0.80459 0.08909 1.00000
  Br4 Br 0.45847 0.08909 0.28451 1.00000
  Br5 Br 0.32244 0.40478 0.52979 1.00000
  Br6 Br 0.17397 0.71549 0.80459 1.00000
  Br7 Br 0.82603 0.28451 0.19541 1.00000
  Br8 Br 0.67756 0.59522 0.47021 1.00000
  Br9 Br 0.54153 0.91091 0.71549 1.00000
  Br10 Br 0.36938 0.19541 0.91091 1.00000
  Br11 Br 0.08234 0.87499 0.40478 1.00000
  Br12 Br 0.79265 0.47021 0.87499 1.00000
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