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AcTb2TcO8

Alexandria ALEX

Alex-ID: agm004906207 · Space group: Cmmm (#65)

Basic Information

Formula
AcTb2TcO8
Alex-ID
agm004906207
Elements
4
Sites
12
Space group
Cmmm (#65)
Crystal system
orthorhombic
Volume
185.35
ų
Cell a
5.1348
Å
Cell b
5.1306
Å
Cell c
7.0374
Å
α angle
90.00
°
β angle
90.00
°
γ angle
88.64
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
AcTb2TcO8
Ac
1.00 · 8.3%
Tb
2.00 · 16.7%
Tc
1.00 · 8.3%
O
8.00 · 66.7%

Energy & Stability

Energy above hull
0.1336
eV/atom
Formation energy
-3.0631
eV/atom
Corrected total energy
-100.1623
eV
Raw total energy
-94.5440
eV

Electronic Structure

Indirect band gap
0.4537
eV
Direct band gap
0.5531
eV
DOS at Fermi level
-0.1118
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D8_742_spg12

Decomposition

Ac2TcO6 AcO2 Ac(TcO4)3 Tb2O3

Computed at

2023-01-07 16:06:57.513191

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: agm004906207).

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 agm004906207
data_agm004906207
_cell_length_a     5.13478
_cell_length_b     5.13061
_cell_length_c     7.03744
_cell_angle_alpha  90.00177
_cell_angle_beta   90.00054
_cell_angle_gamma  88.64223
_cell_volume       185.34598
_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 0.00000 0.00000 0.50000 1.00000
  Tb1 Tb 0.49999 0.49999 0.74971 1.00000
  Tb2 Tb 0.50001 0.50001 0.25029 1.00000
  Tc1 Tc 0.00000 0.00000 0.00000 1.00000
  O1 O 0.18423 0.81275 0.19576 1.00000
  O2 O 0.73940 0.74240 0.99998 1.00000
  O3 O 0.81575 0.18723 0.19577 1.00000
  O4 O 0.81577 0.18725 0.80424 1.00000
  O5 O 0.26060 0.25760 0.00002 1.00000
  O6 O 0.18425 0.81277 0.80423 1.00000
  O7 O 0.67467 0.68053 0.50002 1.00000
  O8 O 0.32533 0.31947 0.49998 1.00000
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