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TcI4

Alexandria ALEX

Alex-ID: agm003283271 · Space group: P2_1/c (#14)

Basic Information

Formula
TcI4
Alex-ID
agm003283271
Elements
2
Sites
40
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
1,709.67
ų
Cell a
6.9687
Å
Cell b
14.3633
Å
Cell c
17.0809
Å
α angle
90.27
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
TcI4
Tc
8.00 · 20.0%
I
32.00 · 80.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.0656
eV/atom
Corrected total energy
-135.1549
eV
Raw total energy
-135.1548
eV

Electronic Structure

Indirect band gap
0.2540
eV
Direct band gap
0.2540
eV
DOS at Fermi level
-0.6632
Total magnetisation
24.0189
μB

Additional Information

Prototype ID

AB4_110_spg61

Decomposition

TcI4

Computed at

2022-05-20 11:42:56.960537

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: agm003283271).

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 agm003283271
data_agm003283271
_cell_length_a     6.96875
_cell_length_b     14.36325
_cell_length_c     17.08087
_cell_angle_alpha  90.27200
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       1709.67171
_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
  Tc1 Tc 0.90089 0.37126 0.17998 1.00000
  Tc2 Tc 0.40089 0.12874 0.82002 1.00000
  Tc3 Tc 0.09911 0.62874 0.82002 1.00000
  Tc4 Tc 0.59911 0.87126 0.17998 1.00000
  Tc5 Tc 0.59901 0.62682 0.68439 1.00000
  Tc6 Tc 0.09901 0.87318 0.31561 1.00000
  Tc7 Tc 0.40099 0.37318 0.31561 1.00000
  Tc8 Tc 0.90099 0.12682 0.68439 1.00000
  I1 I 0.07509 0.26672 0.30162 1.00000
  I2 I 0.57509 0.23328 0.69838 1.00000
  I3 I 0.92491 0.73328 0.69838 1.00000
  I4 I 0.42491 0.76672 0.30162 1.00000
  I5 I 0.22827 0.47740 0.19300 1.00000
  I6 I 0.72827 0.02260 0.80700 1.00000
  I7 I 0.77173 0.52260 0.80700 1.00000
  I8 I 0.27173 0.97740 0.19300 1.00000
  I9 I 0.03923 0.25363 0.07511 1.00000
  I10 I 0.53923 0.24637 0.92489 1.00000
  I11 I 0.96077 0.74637 0.92489 1.00000
  I12 I 0.46077 0.75363 0.07511 1.00000
  I13 I 0.76003 0.48714 0.07507 1.00000
  I14 I 0.26003 0.01286 0.92493 1.00000
  I15 I 0.23997 0.51286 0.92493 1.00000
  I16 I 0.73997 0.98714 0.07507 1.00000
  I17 I 0.42489 0.73489 0.80471 1.00000
  I18 I 0.92489 0.76511 0.19529 1.00000
  I19 I 0.57511 0.26511 0.19529 1.00000
  I20 I 0.07511 0.23489 0.80471 1.00000
  I21 I 0.27166 0.52106 0.69880 1.00000
  I22 I 0.77166 0.97894 0.30120 1.00000
  I23 I 0.72834 0.47894 0.30120 1.00000
  I24 I 0.22834 0.02106 0.69880 1.00000
  I25 I 0.46107 0.74148 0.57798 1.00000
  I26 I 0.96107 0.75852 0.42202 1.00000
  I27 I 0.53893 0.25852 0.42202 1.00000
  I28 I 0.03893 0.24148 0.57798 1.00000
  I29 I 0.73802 0.50753 0.58090 1.00000
  I30 I 0.23802 0.99247 0.41910 1.00000
  I31 I 0.26198 0.49247 0.41910 1.00000
  I32 I 0.76198 0.00753 0.58090 1.00000
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