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HEAS Data Platform · Materials Science Database

LaTl2P2S7

Alexandria ALEX

Alex-ID: agm003232811 · Space group: C2/m (#12)

Basic Information

Formula
LaTl2P2S7
Alex-ID
agm003232811
Elements
4
Sites
24
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
666.71
ų
Cell a
11.2928
Å
Cell b
11.2928
Å
Cell c
9.8543
Å
α angle
70.72
°
β angle
70.72
°
γ angle
34.43
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
LaTl2P2S7
La
2.00 · 8.3%
Tl
4.00 · 16.7%
P
4.00 · 16.7%
S
14.00 · 58.3%

Energy & Stability

Energy above hull
0.0022
eV/atom
Formation energy
-1.1764
eV/atom
Corrected total energy
-126.9769
eV
Raw total energy
-117.6884
eV

Electronic Structure

Indirect band gap
2.1514
eV
Direct band gap
2.1652
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2D7_69_spg12

Decomposition

LaTl2P2S7

Computed at

2021-12-20 17:33:09.453236

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: agm003232811).

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 agm003232811
data_agm003232811
_cell_length_a     11.29284
_cell_length_b     11.29284
_cell_length_c     9.85431
_cell_angle_alpha  70.72273
_cell_angle_beta   70.72273
_cell_angle_gamma  34.42765
_cell_volume       666.71080
_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
  La1 La 0.34042 0.34042 0.84015 1.00000
  La2 La 0.65958 0.65958 0.15985 1.00000
  Tl1 Tl 0.00546 0.00546 0.72958 1.00000
  Tl2 Tl 0.99454 0.99454 0.27042 1.00000
  Tl3 Tl 0.32712 0.32712 0.29586 1.00000
  Tl4 Tl 0.67288 0.67288 0.70414 1.00000
  P1 P 0.45149 0.45149 0.48192 1.00000
  P2 P 0.54851 0.54851 0.51808 1.00000
  P3 P 0.16351 0.16351 0.94610 1.00000
  P4 P 0.83649 0.83649 0.05390 1.00000
  S1 S 0.52419 0.52419 0.73477 1.00000
  S2 S 0.47581 0.47581 0.26523 1.00000
  S3 S 0.22871 0.22871 0.73892 1.00000
  S4 S 0.77129 0.77129 0.26108 1.00000
  S5 S 0.84650 0.34858 0.41676 1.00000
  S6 S 0.34858 0.84650 0.41676 1.00000
  S7 S 0.15350 0.65142 0.58324 1.00000
  S8 S 0.65142 0.15350 0.58324 1.00000
  S9 S 0.85671 0.34971 0.98355 1.00000
  S10 S 0.34971 0.85671 0.98355 1.00000
  S11 S 0.14329 0.65029 0.01645 1.00000
  S12 S 0.65029 0.14329 0.01645 1.00000
  S13 S 0.78699 0.78699 0.90739 1.00000
  S14 S 0.21301 0.21301 0.09261 1.00000
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