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TcAgSe2

Alexandria ALEX

Alex-ID: agm003144336 · Space group: C2/c (#15)

Basic Information

Formula
TcAgSe2
Alex-ID
agm003144336
Elements
3
Sites
32
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
747.00
ų
Cell a
16.4107
Å
Cell b
7.5284
Å
Cell c
7.5284
Å
α angle
79.54
°
β angle
111.66
°
γ angle
68.34
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
TcAgSe2
Se
16.00 · 50.0%
Tc
8.00 · 25.0%
Ag
8.00 · 25.0%

Energy & Stability

Energy above hull
0.3211
eV/atom
Formation energy
-0.0647
eV/atom
Corrected total energy
-163.6577
eV
Raw total energy
-163.6577
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0001
eV
DOS at Fermi level
22.6570
Total magnetisation
3.8885
μB

Additional Information

Prototype ID

ABC2_2848_spg15

Decomposition

Ag TcSe2

Computed at

2023-03-26 19:15:10.013447

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: agm003144336).

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 agm003144336
data_agm003144336
_cell_length_a     16.41072
_cell_length_b     7.52840
_cell_length_c     7.52840
_cell_angle_alpha  79.53666
_cell_angle_beta   111.66199
_cell_angle_gamma  68.33801
_cell_volume       746.99570
_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
  Se1 Se 0.97109 0.80067 0.64194 1.00000
  Se2 Se 0.52891 0.14194 0.30067 1.00000
  Se3 Se 0.02891 0.19933 0.35806 1.00000
  Se4 Se 0.47109 0.85806 0.69933 1.00000
  Se5 Se 0.71910 0.30622 0.12723 1.00000
  Se6 Se 0.78090 0.62723 0.80622 1.00000
  Se7 Se 0.28090 0.69378 0.87277 1.00000
  Se8 Se 0.21910 0.37277 0.19378 1.00000
  Se9 Se 0.58114 0.62345 0.34224 1.00000
  Se10 Se 0.91886 0.84224 0.12345 1.00000
  Se11 Se 0.41886 0.37655 0.65776 1.00000
  Se12 Se 0.08114 0.15776 0.87655 1.00000
  Se13 Se 0.75000 0.22263 0.72263 1.00000
  Se14 Se 0.25000 0.77737 0.27737 1.00000
  Se15 Se 0.75000 0.70668 0.20668 1.00000
  Se16 Se 0.25000 0.29332 0.79332 1.00000
  Tc1 Tc 0.17397 0.11108 0.29196 1.00000
  Tc2 Tc 0.32603 0.79196 0.61108 1.00000
  Tc3 Tc 0.82603 0.88892 0.70804 1.00000
  Tc4 Tc 0.67397 0.20804 0.38892 1.00000
  Tc5 Tc 0.30945 0.16479 0.56355 1.00000
  Tc6 Tc 0.19055 0.06355 0.66479 1.00000
  Tc7 Tc 0.69055 0.83521 0.43645 1.00000
  Tc8 Tc 0.80945 0.93645 0.33521 1.00000
  Ag1 Ag 0.42821 0.53287 0.29651 1.00000
  Ag2 Ag 0.07179 0.79651 0.03287 1.00000
  Ag3 Ag 0.57179 0.46713 0.70349 1.00000
  Ag4 Ag 0.92821 0.20349 0.96713 1.00000
  Ag5 Ag 0.41651 0.87219 0.99852 1.00000
  Ag6 Ag 0.08349 0.49852 0.37219 1.00000
  Ag7 Ag 0.58349 0.12781 0.00148 1.00000
  Ag8 Ag 0.91651 0.50148 0.62781 1.00000
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