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Ca4Pu2O9

Alexandria ALEX

Alex-ID: agm005639628 · Space group: P-3c1 (#165)

Basic Information

Formula
Ca4Pu2O9
Alex-ID
agm005639628
Elements
3
Sites
30
Space group
P-3c1 (#165)
Crystal system
trigonal
Volume
454.19
ų
Cell a
5.8130
Å
Cell b
5.8130
Å
Cell c
15.5202
Å
α angle
90.00
°
β angle
90.00
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca4Pu2O9
Ca
8.00 · 26.7%
Pu
4.00 · 13.3%
O
18.00 · 60.0%

Energy & Stability

Energy above hull
0.0805
eV/atom
Formation energy
-3.3246
eV/atom
Corrected total energy
-262.3302
eV
Raw total energy
-249.6890
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
37.6046
Total magnetisation
12.0000
μB

Additional Information

Prototype ID

A2B4C9_0_spg9

Decomposition

Ca3PuO6 PuO2 CaO

Computed at

2023-06-15 13:42:07.542051

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: agm005639628).

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 agm005639628
data_agm005639628
_cell_length_a     5.81298
_cell_length_b     5.81305
_cell_length_c     15.52025
_cell_angle_alpha  90.00078
_cell_angle_beta   90.00089
_cell_angle_gamma  60.00111
_cell_volume       454.18940
_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 0.33344 0.33330 0.97817 1.00000
  Ca2 Ca 0.33322 0.33339 0.47819 1.00000
  Ca3 Ca 0.66656 0.66670 0.02183 1.00000
  Ca4 Ca 0.33303 0.33343 0.18980 1.00000
  Ca5 Ca 0.66678 0.66661 0.52181 1.00000
  Ca6 Ca 0.66631 0.66684 0.31018 1.00000
  Ca7 Ca 0.33369 0.33316 0.68982 1.00000
  Ca8 Ca 0.66697 0.66657 0.81020 1.00000
  Pu1 Pu 0.99969 0.00017 0.35455 1.00000
  Pu2 Pu 0.99975 0.00005 0.14543 1.00000
  Pu3 Pu 0.00031 0.99983 0.64545 1.00000
  Pu4 Pu 0.00025 0.99995 0.85457 1.00000
  O1 O 0.00042 0.26702 0.75007 1.00000
  O2 O 0.26750 0.73265 0.75000 1.00000
  O3 O 0.73311 0.99990 0.75001 1.00000
  O4 O 0.99958 0.73298 0.24993 1.00000
  O5 O 0.73250 0.26735 0.25000 1.00000
  O6 O 0.26689 0.00010 0.24999 1.00000
  O7 O 0.69590 0.96118 0.41329 1.00000
  O8 O 0.96085 0.34297 0.41328 1.00000
  O9 O 0.34242 0.69637 0.41330 1.00000
  O10 O 0.65696 0.03906 0.08669 1.00000
  O11 O 0.30362 0.65727 0.08670 1.00000
  O12 O 0.03882 0.30370 0.08667 1.00000
  O13 O 0.30410 0.03882 0.58671 1.00000
  O14 O 0.03915 0.65703 0.58672 1.00000
  O15 O 0.65758 0.30363 0.58670 1.00000
  O16 O 0.34304 0.96094 0.91331 1.00000
  O17 O 0.69638 0.34273 0.91330 1.00000
  O18 O 0.96118 0.69630 0.91333 1.00000
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