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PmCo(TcO4)2

Alexandria ALEX

Alex-ID: agm004897367 · Space group: I-4 (#82)

Basic Information

Formula
PmCo(TcO4)2
Alex-ID
agm004897367
Elements
4
Sites
12
Space group
I-4 (#82)
Crystal system
tetragonal
Volume
149.04
ų
Cell a
5.1594
Å
Cell b
5.1594
Å
Cell c
6.6828
Å
α angle
112.71
°
β angle
112.71
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmCo(TcO4)2
Pm
1.00 · 8.3%
Co
1.00 · 8.3%
Tc
2.00 · 16.7%
O
8.00 · 66.7%

Energy & Stability

Energy above hull
0.1364
eV/atom
Formation energy
-2.0946
eV/atom
Corrected total energy
-97.4078
eV
Raw total energy
-89.9155
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0022
eV
DOS at Fermi level
6.2058
Total magnetisation
5.8428
μB

Additional Information

Prototype ID

ABC2D8_5_spg82

Decomposition

Pm(TcO4)2 Pm5(TcO6)2 Co3O4 TcO2

Computed at

2023-01-03 08:54:38.360492

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: agm004897367).

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 agm004897367
data_agm004897367
_cell_length_a     5.15940
_cell_length_b     5.15940
_cell_length_c     6.68276
_cell_angle_alpha  112.70729
_cell_angle_beta   112.70729
_cell_angle_gamma  90.00000
_cell_volume       149.04383
_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
  Pm1 Pm 0.75000 0.25000 0.50000 1.00000
  Co1 Co 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 0.75794 0.83245 0.16162 1.00000
  O2 O 0.40368 0.32917 0.16162 1.00000
  O3 O 0.59133 0.67581 0.67695 1.00000
  O4 O 0.08562 0.00114 0.67695 1.00000
  O5 O 0.99886 0.40867 0.32305 1.00000
  O6 O 0.32419 0.91438 0.32305 1.00000
  O7 O 0.16755 0.59632 0.83838 1.00000
  O8 O 0.67083 0.24206 0.83838 1.00000
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