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Ca2GdTaO6

Alexandria ALEX

Alex-ID: agm003224136 · Space group: P2_1/c (#14)

Alexandria Database API

Basic Information

Formula
Ca2GdTaO6
Alex-ID
agm003224136
Elements
4
Sites
20
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
272.67
ų
Cell a
5.8974
Å
Cell b
5.6564
Å
Cell c
9.9497
Å
α angle
55.24
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca2GdTaO6
Ca
4.00 · 20.0%
Gd
2.00 · 10.0%
Ta
2.00 · 10.0%
O
12.00 · 60.0%

Energy & Stability

Energy above hull
0.0155
eV/atom
Formation energy
-3.5760
eV/atom
Corrected total energy
-190.8937
eV
Raw total energy
-182.4662
eV

Electronic Structure

Indirect band gap
3.5720
eV
Direct band gap
3.5928
eV
DOS at Fermi level
0.0000
Total magnetisation
13.9539
μB

Additional Information

Prototype ID

ABC2D6_6_spg14

Decomposition

Ca4Ta2O9 Gd2O3

Computed at

2021-12-08 03:28:21.972415

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: agm003224136).

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 agm003224136
data_agm003224136
_cell_length_a     5.89736
_cell_length_b     5.65644
_cell_length_c     9.94973
_cell_angle_alpha  55.23989
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       272.67435
_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
  Ca1 Ca 0.94757 0.73080 0.75465 1.00000
  Ca2 Ca 0.55243 0.73080 0.25465 1.00000
  Ca3 Ca 0.05243 0.26920 0.24535 1.00000
  Ca4 Ca 0.44757 0.26920 0.74535 1.00000
  Gd1 Gd 0.00000 0.50000 0.50000 1.00000
  Gd2 Gd 0.50000 0.50000 0.00000 1.00000
  Ta1 Ta 0.50000 0.00000 0.50000 1.00000
  Ta2 Ta 0.00000 0.00000 0.00000 1.00000
  O1 O 0.68058 0.65615 0.55483 1.00000
  O2 O 0.81942 0.65615 0.05483 1.00000
  O3 O 0.31942 0.34385 0.44517 1.00000
  O4 O 0.18058 0.34385 0.94517 1.00000
  O5 O 0.55282 0.88497 0.73091 1.00000
  O6 O 0.94718 0.88497 0.23091 1.00000
  O7 O 0.44718 0.11503 0.26909 1.00000
  O8 O 0.05282 0.11503 0.76909 1.00000
  O9 O 0.71609 0.24412 0.93088 1.00000
  O10 O 0.78391 0.24412 0.43088 1.00000
  O11 O 0.28391 0.75588 0.06912 1.00000
  O12 O 0.21609 0.75588 0.56912 1.00000
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