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SrCa(TcO4)2

Alexandria ALEX

Alex-ID: agm004875403 · Space group: I-4 (#82)

Basic Information

Formula
SrCa(TcO4)2
Alex-ID
agm004875403
Elements
4
Sites
12
Space group
I-4 (#82)
Crystal system
tetragonal
Volume
172.64
ų
Cell a
5.3723
Å
Cell b
5.3723
Å
Cell c
7.0861
Å
α angle
112.28
°
β angle
112.28
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SrCa(TcO4)2
Sr
1.00 · 8.3%
Ca
1.00 · 8.3%
Tc
2.00 · 16.7%
O
8.00 · 66.7%

Energy & Stability

Energy above hull
0.0063
eV/atom
Formation energy
-2.4905
eV/atom
Corrected total energy
-93.9748
eV
Raw total energy
-88.3565
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0542
eV
DOS at Fermi level
5.4200
Total magnetisation
2.0299
μB

Additional Information

Prototype ID

ABC2D8_848_spg82

Decomposition

CaTcO4 SrTcO4

Computed at

2023-01-01 22:23:20.370228

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: agm004875403).

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 agm004875403
data_agm004875403
_cell_length_a     5.37226
_cell_length_b     5.37226
_cell_length_c     7.08606
_cell_angle_alpha  112.27626
_cell_angle_beta   112.27626
_cell_angle_gamma  90.00000
_cell_volume       172.64110
_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
  Sr1 Sr 0.75000 0.25000 0.50000 1.00000
  Ca1 Ca 0.00000 0.00000 0.00000 1.00000
  Tc1 Tc 0.50000 0.50000 0.00000 1.00000
  Tc2 Tc 0.25000 0.75000 0.50000 1.00000
  O1 O 0.72643 0.82195 0.15222 1.00000
  O2 O 0.42579 0.33027 0.15222 1.00000
  O3 O 0.57872 0.69615 0.66107 1.00000
  O4 O 0.08235 0.96493 0.66107 1.00000
  O5 O 0.03507 0.42128 0.33893 1.00000
  O6 O 0.30385 0.91765 0.33893 1.00000
  O7 O 0.17805 0.57421 0.84778 1.00000
  O8 O 0.66973 0.27357 0.84778 1.00000
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