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PmTcB14

Alexandria ALEX

Alex-ID: agm005755199 · Space group: Imma (#74)

Basic Information

Formula
PmTcB14
Alex-ID
agm005755199
Elements
3
Sites
32
Space group
Imma (#74)
Crystal system
orthorhombic
Volume
265.18
ų
Cell a
5.8896
Å
Cell b
7.4414
Å
Cell c
7.4414
Å
α angle
67.62
°
β angle
66.69
°
γ angle
66.69
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmTcB14
Pm
2.00 · 6.3%
Tc
2.00 · 6.3%
B
28.00 · 87.5%

Energy & Stability

Energy above hull
0.1787
eV/atom
Formation energy
-0.1055
eV/atom
Corrected total energy
-220.5784
eV
Raw total energy
-220.5784
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.1281
eV
DOS at Fermi level
8.0394
Total magnetisation
-0.0001
μB

Additional Information

Prototype ID

ABC14_1_spg74

Decomposition

PmB6 TcB2 B

Computed at

2023-07-18 14:07:04.540822

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: agm005755199).

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 agm005755199
data_agm005755199
_cell_length_a     5.88963
_cell_length_b     7.44143
_cell_length_c     7.44143
_cell_angle_alpha  67.62386
_cell_angle_beta   66.68835
_cell_angle_gamma  66.68835
_cell_volume       265.17687
_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 0.37595 0.12405 1.00000
  Pm2 Pm 0.75000 0.62405 0.87595 1.00000
  Tc1 Tc 0.50000 0.00000 0.50000 1.00000
  Tc2 Tc 0.00000 0.00000 0.50000 1.00000
  B1 B 0.66658 0.36852 0.29832 1.00000
  B2 B 0.33342 0.63148 0.70168 1.00000
  B3 B 0.16658 0.79832 0.86852 1.00000
  B4 B 0.83342 0.20168 0.13148 1.00000
  B5 B 0.12107 0.24650 0.51137 1.00000
  B6 B 0.87893 0.75350 0.48863 1.00000
  B7 B 0.62107 0.01137 0.74650 1.00000
  B8 B 0.37893 0.98863 0.25350 1.00000
  B9 B 0.08308 0.08537 0.74847 1.00000
  B10 B 0.91692 0.91463 0.25153 1.00000
  B11 B 0.58308 0.24847 0.58537 1.00000
  B12 B 0.41692 0.75153 0.41463 1.00000
  B13 B 0.72365 0.59871 0.27749 1.00000
  B14 B 0.59985 0.40129 0.72251 1.00000
  B15 B 0.22365 0.77749 0.09871 1.00000
  B16 B 0.09985 0.22251 0.90129 1.00000
  B17 B 0.27635 0.40129 0.72251 1.00000
  B18 B 0.40015 0.59871 0.27749 1.00000
  B19 B 0.77635 0.22251 0.90129 1.00000
  B20 B 0.90015 0.77749 0.09871 1.00000
  B21 B 0.32389 0.97151 0.87325 1.00000
  B22 B 0.16865 0.02849 0.12675 1.00000
  B23 B 0.82389 0.37325 0.47151 1.00000
  B24 B 0.66865 0.62675 0.52849 1.00000
  B25 B 0.67611 0.02849 0.12675 1.00000
  B26 B 0.83135 0.97151 0.87325 1.00000
  B27 B 0.17611 0.62675 0.52849 1.00000
  B28 B 0.33135 0.37325 0.47151 1.00000
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