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AcTb2PmSe4

Alexandria ALEX

Alex-ID: agm004826257 · Space group: P2/m (#10)

Alexandria Database API

Basic Information

Formula
AcTb2PmSe4
Alex-ID
agm004826257
Elements
4
Sites
8
Space group
P2/m (#10)
Crystal system
monoclinic
Volume
212.07
ų
Cell a
4.1359
Å
Cell b
7.5005
Å
Cell c
7.2101
Å
α angle
71.47
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
AcTb2PmSe4
Ac
1.00 · 12.5%
Tb
2.00 · 25.0%
Pm
1.00 · 12.5%
Se
4.00 · 50.0%

Energy & Stability

Energy above hull
0.0223
eV/atom
Formation energy
-1.7929
eV/atom
Corrected total energy
-46.4289
eV
Raw total energy
-46.4289
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0300
eV
DOS at Fermi level
4.1068
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D4_343_spg10

Decomposition

Tb4PmSe5 TbPm3Se4 AcSe

Computed at

2022-07-20 17:01:30.081891

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: agm004826257).

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 agm004826257
data_agm004826257
_cell_length_a     4.13588
_cell_length_b     7.50051
_cell_length_c     7.21010
_cell_angle_alpha  71.47020
_cell_angle_beta   89.99973
_cell_angle_gamma  89.99969
_cell_volume       212.07104
_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 0.50000 0.50000 1.00000 1.00000
  Tb1 Tb 0.00000 0.00000 1.00000 1.00000
  Tb2 Tb 0.50000 0.00000 0.50000 1.00000
  Pm1 Pm 0.00000 0.49999 0.50000 1.00000
  Se1 Se 0.00000 0.77191 0.73565 1.00000
  Se2 Se 1.00000 0.22809 0.26434 1.00000
  Se3 Se 0.50000 0.76614 0.25120 1.00000
  Se4 Se 0.50000 0.23387 0.74880 1.00000
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