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Tm2Sc4Te9

Alexandria ALEX

Alex-ID: agm005643633 · Space group: P-3c1 (#165)

Basic Information

Formula
Tm2Sc4Te9
Alex-ID
agm005643633
Elements
3
Sites
30
Space group
P-3c1 (#165)
Crystal system
trigonal
Volume
960.88
ų
Cell a
7.3882
Å
Cell b
7.3852
Å
Cell c
20.3322
Å
α angle
90.02
°
β angle
90.03
°
γ angle
60.01
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Tm2Sc4Te9
Tm
4.00 · 13.3%
Sc
8.00 · 26.7%
Te
18.00 · 60.0%

Energy & Stability

Energy above hull
0.0292
eV/atom
Formation energy
-1.2490
eV/atom
Corrected total energy
-162.5597
eV
Raw total energy
-162.5597
eV

Electronic Structure

Indirect band gap
0.4566
eV
Direct band gap
0.5208
eV
DOS at Fermi level
-0.3512
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B4C9_141_spg2

Decomposition

Sc2Te3 Tm2Te3

Computed at

2023-06-16 23:41:32.325453

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: agm005643633).

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 agm005643633
data_agm005643633
_cell_length_a     7.38817
_cell_length_b     7.38516
_cell_length_c     20.33220
_cell_angle_alpha  90.01866
_cell_angle_beta   90.02508
_cell_angle_gamma  60.01299
_cell_volume       960.87940
_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
  Tm1 Tm 0.99886 0.00181 0.34164 1.00000
  Tm2 Tm 0.99979 0.99876 0.15832 1.00000
  Tm3 Tm 0.00114 0.99819 0.65836 1.00000
  Tm4 Tm 0.00021 0.00124 0.84168 1.00000
  Sc1 Sc 0.33267 0.33353 0.99417 1.00000
  Sc2 Sc 0.33475 0.33281 0.49500 1.00000
  Sc3 Sc 0.66733 0.66647 0.00583 1.00000
  Sc4 Sc 0.33199 0.33395 0.17290 1.00000
  Sc5 Sc 0.66525 0.66719 0.50500 1.00000
  Sc6 Sc 0.66584 0.66668 0.32790 1.00000
  Sc7 Sc 0.33416 0.33332 0.67210 1.00000
  Sc8 Sc 0.66801 0.66605 0.82710 1.00000
  Te1 Te 0.00140 0.32811 0.74963 1.00000
  Te2 Te 0.32877 0.67084 0.75032 1.00000
  Te3 Te 0.67184 0.00037 0.75006 1.00000
  Te4 Te 0.99860 0.67189 0.25037 1.00000
  Te5 Te 0.67123 0.32916 0.24968 1.00000
  Te6 Te 0.32816 0.99963 0.24994 1.00000
  Te7 Te 0.65481 0.98915 0.41722 1.00000
  Te8 Te 0.98778 0.35700 0.41778 1.00000
  Te9 Te 0.35494 0.65640 0.41714 1.00000
  Te10 Te 0.64176 0.01395 0.08263 1.00000
  Te11 Te 0.34429 0.64200 0.08268 1.00000
  Te12 Te 0.01353 0.34243 0.08255 1.00000
  Te13 Te 0.34519 0.01085 0.58278 1.00000
  Te14 Te 0.01222 0.64300 0.58222 1.00000
  Te15 Te 0.64506 0.34360 0.58286 1.00000
  Te16 Te 0.35824 0.98605 0.91737 1.00000
  Te17 Te 0.65571 0.35800 0.91732 1.00000
  Te18 Te 0.98647 0.65757 0.91745 1.00000
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