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TcSe2I

Alexandria ALEX

Alex-ID: agm003144455 · Space group: C2/c (#15)

Basic Information

Formula
TcSe2I
Alex-ID
agm003144455
Elements
3
Sites
32
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
985.58
ų
Cell a
21.1603
Å
Cell b
7.0699
Å
Cell c
7.0699
Å
α angle
90.07
°
β angle
104.88
°
γ angle
75.12
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
TcSe2I
I
8.00 · 25.0%
Tc
8.00 · 25.0%
Se
16.00 · 50.0%

Energy & Stability

Energy above hull
0.3053
eV/atom
Formation energy
-0.0804
eV/atom
Corrected total energy
-153.7526
eV
Raw total energy
-153.7526
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0022
eV
DOS at Fermi level
14.7180
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_2687_spg15

Decomposition

TcSe2 I

Computed at

2015-11-22 10:54:39

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: agm003144455).

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 agm003144455
data_agm003144455
_cell_length_a     21.16030
_cell_length_b     7.06994
_cell_length_c     7.06994
_cell_angle_alpha  90.07435
_cell_angle_beta   104.87796
_cell_angle_gamma  75.12204
_cell_volume       985.58163
_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
  I1 I 0.42016 0.43543 0.17856 1.00000
  I2 I 0.07984 0.67856 0.93543 1.00000
  I3 I 0.57984 0.56457 0.82144 1.00000
  I4 I 0.92016 0.32144 0.06457 1.00000
  I5 I 0.43056 0.92089 0.19606 1.00000
  I6 I 0.06944 0.69606 0.42089 1.00000
  I7 I 0.56944 0.07911 0.80394 1.00000
  I8 I 0.93056 0.30394 0.57911 1.00000
  Tc1 Tc 0.20249 0.10528 0.33813 1.00000
  Tc2 Tc 0.29751 0.83813 0.60528 1.00000
  Tc3 Tc 0.79751 0.89472 0.66187 1.00000
  Tc4 Tc 0.70249 0.16187 0.39472 1.00000
  Tc5 Tc 0.29965 0.21411 0.60704 1.00000
  Tc6 Tc 0.20035 0.10704 0.71411 1.00000
  Tc7 Tc 0.70035 0.78589 0.39296 1.00000
  Tc8 Tc 0.79965 0.89296 0.28589 1.00000
  Se1 Se 0.89894 0.79996 0.55408 1.00000
  Se2 Se 0.60106 0.05408 0.29996 1.00000
  Se3 Se 0.10106 0.20004 0.44592 1.00000
  Se4 Se 0.39894 0.94592 0.70004 1.00000
  Se5 Se 0.75507 0.22065 0.15193 1.00000
  Se6 Se 0.74493 0.65193 0.72065 1.00000
  Se7 Se 0.24493 0.77935 0.84807 1.00000
  Se8 Se 0.25507 0.34807 0.27935 1.00000
  Se9 Se 0.63148 0.52553 0.33428 1.00000
  Se10 Se 0.86852 0.83428 0.02553 1.00000
  Se11 Se 0.36852 0.47447 0.66572 1.00000
  Se12 Se 0.13148 0.16572 0.97447 1.00000
  Se13 Se 0.75000 0.22272 0.72272 1.00000
  Se14 Se 0.25000 0.77728 0.27728 1.00000
  Se15 Se 0.75000 0.64536 0.14536 1.00000
  Se16 Se 0.25000 0.35464 0.85464 1.00000
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