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PmNdTmTh2

Alexandria ALEX

Alex-ID: agm005000337 · Space group: Cmcm (#63)

Alexandria Database API

Basic Information

Formula
PmNdTmTh2
Alex-ID
agm005000337
Elements
4
Sites
10
Space group
Cmcm (#63)
Crystal system
orthorhombic
Volume
352.85
ų
Cell a
6.7117
Å
Cell b
6.7032
Å
Cell c
8.5289
Å
α angle
113.14
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmNdTmTh2
Pm
2.00 · 20.0%
Nd
2.00 · 20.0%
Tm
2.00 · 20.0%
Th
4.00 · 40.0%

Energy & Stability

Energy above hull
0.3812
eV/atom
Formation energy
0.3748
eV/atom
Corrected total energy
-53.9309
eV
Raw total energy
-53.9309
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0065
eV
DOS at Fermi level
15.0195
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2_1542_spg63

Decomposition

Pm2Nd Th Nd Tm2Th

Computed at

2022-07-04 16:31:28.507201

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: agm005000337).

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 agm005000337
data_agm005000337
_cell_length_a     6.71174
_cell_length_b     6.70318
_cell_length_c     8.52892
_cell_angle_alpha  113.13928
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       352.84718
_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 0.25000 0.84807 0.69615 1.00000
  Pm2 Pm 0.75000 0.15193 0.30385 1.00000
  Nd1 Nd 0.75000 0.74603 0.49206 1.00000
  Nd2 Nd 0.25000 0.25397 0.50794 1.00000
  Tm1 Tm 0.25000 0.65039 0.30078 1.00000
  Tm2 Tm 0.75000 0.34961 0.69922 1.00000
  Th1 Th 0.50000 0.25216 0.00000 1.00000
  Th2 Th 0.00000 0.74784 1.00000 1.00000
  Th3 Th 0.50000 0.74784 1.00000 1.00000
  Th4 Th 0.00000 0.25216 0.00000 1.00000
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