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Ba2AcTm3O8

Alexandria ALEX

Alex-ID: agm004670652 · Space group: R3m (#160)

Basic Information

Formula
Ba2AcTm3O8
Alex-ID
agm004670652
Elements
4
Sites
14
Space group
R3m (#160)
Crystal system
trigonal
Volume
259.02
ų
Cell a
6.9843
Å
Cell b
6.9843
Å
Cell c
7.3386
Å
α angle
61.58
°
β angle
61.58
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ba2AcTm3O8
Ba
2.00 · 14.3%
Ac
1.00 · 7.1%
Tm
3.00 · 21.4%
O
8.00 · 57.1%

Energy & Stability

Energy above hull
0.0812
eV/atom
Formation energy
-3.6000
eV/atom
Corrected total energy
-111.4346
eV
Raw total energy
-105.8163
eV

Electronic Structure

Indirect band gap
2.5412
eV
Direct band gap
2.5412
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3D8_187_spg160

Decomposition

Ba3Tm4O9 BaO AcTmO3

Computed at

2022-06-22 14:31:59.919894

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: agm004670652).

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 agm004670652
data_agm004670652
_cell_length_a     6.98425
_cell_length_b     6.98425
_cell_length_c     7.33859
_cell_angle_alpha  61.58477
_cell_angle_beta   61.58477
_cell_angle_gamma  60.00000
_cell_volume       259.02141
_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
  Ba1 Ba 0.12160 0.12160 0.63520 1.00000
  Ba2 Ba 0.49861 0.49861 0.50417 1.00000
  Ac1 Ac 0.88146 0.88146 0.35562 1.00000
  Tm1 Tm 0.49762 0.00560 0.99916 1.00000
  Tm2 Tm 0.00560 0.49762 0.99916 1.00000
  Tm3 Tm 0.49762 0.49762 0.99916 1.00000
  O1 O 0.26925 0.26925 0.19226 1.00000
  O2 O 0.73531 0.73531 0.79406 1.00000
  O3 O 0.24773 0.24773 0.81420 1.00000
  O4 O 0.69033 0.24773 0.81420 1.00000
  O5 O 0.24773 0.69033 0.81420 1.00000
  O6 O 0.75528 0.28924 0.20019 1.00000
  O7 O 0.28924 0.75528 0.20019 1.00000
  O8 O 0.75528 0.75528 0.20019 1.00000
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