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PmHo3(TmSe3)2

Alexandria ALEX

Alex-ID: agm033654925 · Space group: C2/m (#12)

Basic Information

Formula
PmHo3(TmSe3)2
Alex-ID
agm033654925
Elements
4
Sites
12
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
285.67
ų
Cell a
9.1139
Å
Cell b
9.1139
Å
Cell c
8.0579
Å
α angle
77.30
°
β angle
102.70
°
γ angle
154.02
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmHo3(TmSe3)2
Pm
1.00 · 8.3%
Ho
3.00 · 25.0%
Tm
2.00 · 16.7%
Se
6.00 · 50.0%

Energy & Stability

Energy above hull
0.0102
eV/atom
Formation energy
-1.7194
eV/atom
Corrected total energy
-69.0054
eV
Raw total energy
-69.0054
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0088
eV
DOS at Fermi level
5.7592
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3D6_28_spg12

Decomposition

HoTmSe2 PmTmSe2 PmHo4Se5

Computed at

2025-03-13 00:21:19

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: agm033654925).

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 agm033654925
data_agm033654925
_cell_length_a     9.11389
_cell_length_b     9.11389
_cell_length_c     8.05795
_cell_angle_alpha  77.29555
_cell_angle_beta   102.70445
_cell_angle_gamma  154.01693
_cell_volume       285.66502
_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
  Pm1 Pm 0.50000 0.50000 0.00000 1.00000
  Ho1 Ho 0.50000 0.50000 0.50000 1.00000
  Ho2 Ho 0.15949 0.84051 0.83264 1.00000
  Ho3 Ho 0.84051 0.15949 0.16736 1.00000
  Tm1 Tm 0.16203 0.83797 0.32936 1.00000
  Tm2 Tm 0.83797 0.16203 0.67064 1.00000
  Se1 Se 0.67294 0.32706 0.08983 1.00000
  Se2 Se 0.33036 0.66964 0.41738 1.00000
  Se3 Se 0.32706 0.67294 0.91017 1.00000
  Se4 Se 0.99778 0.00222 0.73994 1.00000
  Se5 Se 0.00222 0.99778 0.26006 1.00000
  Se6 Se 0.66964 0.33036 0.58262 1.00000
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