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PmTcB4

Alexandria ALEX

Alex-ID: agm005826348 · Space group: Pbam (#55)

Basic Information

Formula
PmTcB4
Alex-ID
agm005826348
Elements
3
Sites
24
Space group
Pbam (#55)
Crystal system
orthorhombic
Volume
259.27
ų
Cell a
3.6642
Å
Cell b
6.0444
Å
Cell c
11.7065
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmTcB4
Pm
4.00 · 16.7%
Tc
4.00 · 16.7%
B
16.00 · 66.7%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.5568
eV/atom
Corrected total energy
-180.6696
eV
Raw total energy
-180.6696
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0012
eV
DOS at Fermi level
8.3827
Total magnetisation
0.0001
μB

Additional Information

Prototype ID

ABC4_302_spg55

Decomposition

PmTcB4

Computed at

2023-07-27 05:11:42.259203

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: agm005826348).

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 agm005826348
data_agm005826348
_cell_length_a     3.66415
_cell_length_b     6.04441
_cell_length_c     11.70650
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       259.27146
_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 0.00000 0.62521 0.34956 1.00000
  Pm2 Pm 0.00000 0.37479 0.65044 1.00000
  Pm3 Pm 0.00000 0.12521 0.15044 1.00000
  Pm4 Pm 0.00000 0.87479 0.84956 1.00000
  Tc1 Tc 0.00000 0.63008 0.08627 1.00000
  Tc2 Tc 0.00000 0.36992 0.91373 1.00000
  Tc3 Tc 0.00000 0.13008 0.41373 1.00000
  Tc4 Tc 0.00000 0.86992 0.58627 1.00000
  B1 B 0.50000 0.78298 0.18365 1.00000
  B2 B 0.50000 0.21702 0.81635 1.00000
  B3 B 0.50000 0.28298 0.31635 1.00000
  B4 B 0.50000 0.71702 0.68365 1.00000
  B5 B 0.50000 0.86113 0.03201 1.00000
  B6 B 0.50000 0.13887 0.96799 1.00000
  B7 B 0.50000 0.36113 0.46799 1.00000
  B8 B 0.50000 0.63887 0.53201 1.00000
  B9 B 0.50000 0.88807 0.45387 1.00000
  B10 B 0.50000 0.11193 0.54613 1.00000
  B11 B 0.50000 0.38807 0.04613 1.00000
  B12 B 0.50000 0.61193 0.95387 1.00000
  B13 B 0.50000 0.97652 0.30964 1.00000
  B14 B 0.50000 0.02348 0.69036 1.00000
  B15 B 0.50000 0.47652 0.19036 1.00000
  B16 B 0.50000 0.52348 0.80964 1.00000
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