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Tm8Ta5Cr3O28

Alexandria ALEX

Alex-ID: agm017410159 · Space group: C2 (#5)

Basic Information

Formula
Tm8Ta5Cr3O28
Alex-ID
agm017410159
Elements
4
Sites
44
Space group
C2 (#5)
Crystal system
monoclinic
Volume
551.53
ų
Cell a
7.4262
Å
Cell b
7.4262
Å
Cell c
11.6919
Å
α angle
81.04
°
β angle
98.96
°
γ angle
119.59
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Tm8Ta5Cr3O28
Tm
8.00 · 18.2%
Ta
5.00 · 11.4%
Cr
3.00 · 6.8%
O
28.00 · 63.6%

Energy & Stability

Energy above hull
0.0260
eV/atom
Formation energy
-3.5494
eV/atom
Corrected total energy
-418.9076
eV
Raw total energy
-393.2045
eV

Electronic Structure

Indirect band gap
1.4391
eV
Direct band gap
1.5412
eV
DOS at Fermi level
-0.0003
Total magnetisation
11.0000
μB

Additional Information

Prototype ID

A3B5C8D28_0_spg5

Decomposition

Tm3CrO6 TmTaO4 TmCrO3 Cr

Computed at

2025-04-01 07:33:10

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: agm017410159).

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 agm017410159
data_agm017410159
_cell_length_a     7.42624
_cell_length_b     7.42624
_cell_length_c     11.69186
_cell_angle_alpha  81.03956
_cell_angle_beta   98.96044
_cell_angle_gamma  119.58731
_cell_volume       551.53444
_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 0.50210 0.25933 0.25477 1.00000
  Tm2 Tm 0.25933 0.50210 0.74523 1.00000
  Tm3 Tm 0.52021 0.74951 0.25919 1.00000
  Tm4 Tm 0.74951 0.52021 0.74081 1.00000
  Tm5 Tm 0.75322 0.98853 0.77369 1.00000
  Tm6 Tm 0.98853 0.75322 0.22631 1.00000
  Tm7 Tm 0.23906 0.00494 0.71568 1.00000
  Tm8 Tm 0.00494 0.23906 0.28432 1.00000
  Ta1 Ta 0.62354 0.12287 0.00470 1.00000
  Ta2 Ta 0.12287 0.62354 0.99530 1.00000
  Ta3 Ta 0.37386 0.87638 0.49196 1.00000
  Ta4 Ta 0.87638 0.37386 0.50804 1.00000
  Ta5 Ta 0.13592 0.13592 0.00000 1.00000
  Cr1 Cr 0.41368 0.41368 0.50000 1.00000
  Cr2 Cr 0.59154 0.59154 0.00000 1.00000
  Cr3 Cr 0.86347 0.86347 0.50000 1.00000
  O1 O 0.85632 0.88150 0.32547 1.00000
  O2 O 0.88150 0.85632 0.67453 1.00000
  O3 O 0.14012 0.12487 0.16954 1.00000
  O4 O 0.12487 0.14012 0.83046 1.00000
  O5 O 0.43786 0.22717 0.03751 1.00000
  O6 O 0.22717 0.43786 0.96249 1.00000
  O7 O 0.55675 0.76837 0.46043 1.00000
  O8 O 0.76837 0.55675 0.53957 1.00000
  O9 O 0.57039 0.17395 0.45976 1.00000
  O10 O 0.17395 0.57039 0.54024 1.00000
  O11 O 0.42780 0.82284 0.04049 1.00000
  O12 O 0.82284 0.42780 0.95951 1.00000
  O13 O 0.10394 0.53148 0.15780 1.00000
  O14 O 0.53148 0.10394 0.84220 1.00000
  O15 O 0.87871 0.45643 0.33937 1.00000
  O16 O 0.45643 0.87871 0.66063 1.00000
  O17 O 0.41129 0.35562 0.67177 1.00000
  O18 O 0.35562 0.41129 0.32823 1.00000
  O19 O 0.58544 0.64545 0.82916 1.00000
  O20 O 0.64545 0.58544 0.17084 1.00000
  O21 O 0.68991 0.11999 0.18177 1.00000
  O22 O 0.11999 0.68991 0.81823 1.00000
  O23 O 0.31020 0.88252 0.31503 1.00000
  O24 O 0.88252 0.31020 0.68497 1.00000
  O25 O 0.83381 0.04810 0.97427 1.00000
  O26 O 0.04810 0.83381 0.02573 1.00000
  O27 O 0.16773 0.95057 0.52324 1.00000
  O28 O 0.95057 0.16773 0.47676 1.00000
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