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AcPm5Sm2Tm

Alexandria ALEX

Alex-ID: agm005166338 · Space group: I4/mcm (#140)

Basic Information

Formula
AcPm5Sm2Tm
Alex-ID
agm005166338
Elements
4
Sites
18
Space group
I4/mcm (#140)
Crystal system
tetragonal
Volume
636.90
ų
Cell a
9.0145
Å
Cell b
9.0145
Å
Cell c
10.1024
Å
α angle
116.50
°
β angle
116.50
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
AcPm5Sm2Tm
Ac
2.00 · 11.1%
Pm
10.00 · 55.6%
Sm
4.00 · 22.2%
Tm
2.00 · 11.1%

Energy & Stability

Energy above hull
0.2888
eV/atom
Formation energy
0.2693
eV/atom
Corrected total energy
-78.7122
eV
Raw total energy
-78.7122
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
22.9581
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D5_205_spg140

Decomposition

PmTm2 Pm2Sm3Tm Ac Pm

Computed at

2023-01-17 19:15:50.792671

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: agm005166338).

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 agm005166338
data_agm005166338
_cell_length_a     9.01454
_cell_length_b     9.01454
_cell_length_c     10.10244
_cell_angle_alpha  116.49734
_cell_angle_beta   116.49734
_cell_angle_gamma  90.00000
_cell_volume       636.90053
_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 0.25000 0.50000 1.00000
  Ac2 Ac 0.75000 0.75000 0.50000 1.00000
  Pm1 Pm 0.92818 0.42818 0.26485 1.00000
  Pm2 Pm 0.66333 0.16333 0.73515 1.00000
  Pm3 Pm 0.07182 0.57182 0.73515 1.00000
  Pm4 Pm 0.16333 0.07182 0.73515 1.00000
  Pm5 Pm 0.57182 0.66333 0.73515 1.00000
  Pm6 Pm 0.83667 0.92818 0.26485 1.00000
  Pm7 Pm 0.42818 0.33667 0.26485 1.00000
  Pm8 Pm 0.33667 0.83667 0.26485 1.00000
  Pm9 Pm 0.50000 0.50000 0.00000 1.00000
  Pm10 Pm 0.00000 0.00000 0.00000 1.00000
  Sm1 Sm 0.11565 0.38435 0.00000 1.00000
  Sm2 Sm 0.61565 0.11565 0.00000 1.00000
  Sm3 Sm 0.38435 0.88435 1.00000 1.00000
  Sm4 Sm 0.88435 0.61565 0.00000 1.00000
  Tm1 Tm 0.25000 0.75000 0.50000 1.00000
  Tm2 Tm 0.75000 0.25000 0.50000 1.00000
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