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V2As2O9

Alexandria ALEX

Alex-ID: agm007885482 · Space group: C2/m (#12)

Basic Information

Formula
V2As2O9
Alex-ID
agm007885482
Elements
3
Sites
26
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
331.54
ų
Cell a
7.5167
Å
Cell b
7.5167
Å
Cell c
9.6979
Å
α angle
55.47
°
β angle
124.53
°
γ angle
128.96
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
V2As2O9
V
4.00 · 15.4%
As
4.00 · 15.4%
O
18.00 · 69.2%

Energy & Stability

Energy above hull
0.0232
eV/atom
Formation energy
-1.9819
eV/atom
Corrected total energy
-195.8488
eV
Raw total energy
-176.4795
eV

Electronic Structure

Indirect band gap
1.3067
eV
Direct band gap
1.3083
eV
DOS at Fermi level
-0.0020
Total magnetisation
3.9988
μB

Additional Information

Prototype ID

A2B2C9_9_spg12

Decomposition

VAs2O7 V4O9 VAsO4

Computed at

2024-12-23 07:19:32

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: agm007885482).

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 agm007885482
data_agm007885482
_cell_length_a     7.51672
_cell_length_b     7.51672
_cell_length_c     9.69794
_cell_angle_alpha  55.47127
_cell_angle_beta   124.52873
_cell_angle_gamma  128.96065
_cell_volume       331.53921
_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
  V1 V 0.06050 0.93950 0.38691 1.00000
  V2 V 0.93950 0.06050 0.61309 1.00000
  V3 V 0.86276 0.13724 0.91681 1.00000
  V4 V 0.13724 0.86276 0.08319 1.00000
  As1 As 0.73805 0.26195 0.14646 1.00000
  As2 As 0.63759 0.36241 0.47720 1.00000
  As3 As 0.26195 0.73805 0.85354 1.00000
  As4 As 0.36241 0.63759 0.52280 1.00000
  O1 O 0.89077 0.10923 0.35502 1.00000
  O2 O 0.75852 0.24148 0.46398 1.00000
  O3 O 0.76391 0.23609 0.99757 1.00000
  O4 O 0.24148 0.75852 0.53602 1.00000
  O5 O 0.24474 0.33135 0.63586 1.00000
  O6 O 0.14896 0.43912 0.89076 1.00000
  O7 O 0.43912 0.14896 0.10924 1.00000
  O8 O 0.97416 0.02584 0.84642 1.00000
  O9 O 0.75526 0.66865 0.36414 1.00000
  O10 O 0.68565 0.31435 0.68407 1.00000
  O11 O 0.10923 0.89077 0.64498 1.00000
  O12 O 0.23609 0.76391 0.00243 1.00000
  O13 O 0.56088 0.85104 0.89076 1.00000
  O14 O 0.31435 0.68565 0.31593 1.00000
  O15 O 0.85104 0.56088 0.10924 1.00000
  O16 O 0.33135 0.24474 0.36414 1.00000
  O17 O 0.02584 0.97416 0.15358 1.00000
  O18 O 0.66865 0.75526 0.63586 1.00000
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