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UP2O7

Alexandria ALEX

Alex-ID: agm005227065 · Space group: Pca2_1 (#29)

Basic Information

Formula
UP2O7
Alex-ID
agm005227065
Elements
3
Sites
40
Space group
Pca2_1 (#29)
Crystal system
orthorhombic
Volume
689.14
ų
Cell a
8.8245
Å
Cell b
8.8153
Å
Cell c
8.8590
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
UP2O7
U
4.00 · 10.0%
P
8.00 · 20.0%
O
28.00 · 70.0%

Energy & Stability

Energy above hull
0.0082
eV/atom
Formation energy
-3.0431
eV/atom
Corrected total energy
-348.9866
eV
Raw total energy
-329.3225
eV

Electronic Structure

Indirect band gap
0.0471
eV
Direct band gap
0.0471
eV
DOS at Fermi level
23.3078
Total magnetisation
8.0000
μB

Additional Information

Prototype ID

AB2C7_7_spg205

Decomposition

U(PO3)4 U2(PO4)3 P

Computed at

2023-04-17 04:04:58.074931

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: agm005227065).

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 agm005227065
data_agm005227065
_cell_length_a     8.82449
_cell_length_b     8.81526
_cell_length_c     8.85899
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       689.14212
_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
  U1 U 0.99471 0.49151 0.74345 1.00000
  U2 U 0.49471 0.00849 0.74345 1.00000
  U3 U 0.99471 0.99151 0.25655 1.00000
  U4 U 0.49471 0.50849 0.25655 1.00000
  P1 P 0.09554 0.39019 0.34516 1.00000
  P2 P 0.39452 0.40720 0.85874 1.00000
  P3 P 0.59554 0.10981 0.34516 1.00000
  P4 P 0.89452 0.09280 0.85874 1.00000
  P5 P 0.39452 0.90720 0.14126 1.00000
  P6 P 0.09554 0.89019 0.65484 1.00000
  P7 P 0.89452 0.59280 0.14126 1.00000
  P8 P 0.59554 0.60981 0.65484 1.00000
  O1 O 0.98373 0.45549 0.21900 1.00000
  O2 O 0.22692 0.43674 0.82663 1.00000
  O3 O 0.25302 0.45681 0.31705 1.00000
  O4 O 0.03387 0.43430 0.50009 1.00000
  O5 O 0.43169 0.42228 0.02668 1.00000
  O6 O 0.94753 0.24323 0.79199 1.00000
  O7 O 0.59019 0.28101 0.31956 1.00000
  O8 O 0.44753 0.25677 0.79199 1.00000
  O9 O 0.09019 0.21899 0.31956 1.00000
  O10 O 0.93169 0.07772 0.02668 1.00000
  O11 O 0.53387 0.06570 0.50009 1.00000
  O12 O 0.72692 0.06326 0.82663 1.00000
  O13 O 0.75302 0.04319 0.31705 1.00000
  O14 O 0.48373 0.04451 0.21900 1.00000
  O15 O 0.98373 0.95549 0.78100 1.00000
  O16 O 0.22692 0.93674 0.17337 1.00000
  O17 O 0.25302 0.95681 0.68295 1.00000
  O18 O 0.43169 0.92228 0.97332 1.00000
  O19 O 0.03387 0.93430 0.49991 1.00000
  O20 O 0.94753 0.74323 0.20801 1.00000
  O21 O 0.59019 0.78101 0.68044 1.00000
  O22 O 0.44753 0.75677 0.20801 1.00000
  O23 O 0.09019 0.71899 0.68044 1.00000
  O24 O 0.93169 0.57772 0.97332 1.00000
  O25 O 0.53387 0.56570 0.49991 1.00000
  O26 O 0.75302 0.54319 0.68295 1.00000
  O27 O 0.72692 0.56326 0.17337 1.00000
  O28 O 0.48373 0.54451 0.78100 1.00000
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