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Na2AlCr(P2O7)2

Alexandria ALEX

Alex-ID: agm011233367 · Space group: P1 (#1)

Basic Information

Formula
Na2AlCr(P2O7)2
Alex-ID
agm011233367
Elements
5
Sites
44
Space group
P1 (#1)
Crystal system
triclinic
Volume
526.16
ų
Cell a
7.0737
Å
Cell b
9.3730
Å
Cell c
9.3724
Å
α angle
118.10
°
β angle
98.24
°
γ angle
98.34
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na2AlCr(P2O7)2
Na
4.00 · 9.1%
Al
2.00 · 4.5%
Cr
2.00 · 4.5%
P
8.00 · 18.2%
O
28.00 · 63.6%

Energy & Stability

Energy above hull
0.0029
eV/atom
Formation energy
-2.7738
eV/atom
Corrected total energy
-336.1684
eV
Raw total energy
-312.4782
eV

Electronic Structure

Indirect band gap
3.0497
eV
Direct band gap
3.0551
eV
DOS at Fermi level
0.0000
Total magnetisation
5.8848
μB

Additional Information

Prototype ID

ABC2D4E14_18_spg1

Decomposition

NaPO3 NaCrP2O7 AlPO4

Computed at

2024-08-24 23:49:01.483322

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: agm011233367).

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 agm011233367
data_agm011233367
_cell_length_a     7.07371
_cell_length_b     9.37298
_cell_length_c     9.37239
_cell_angle_alpha  118.10375
_cell_angle_beta   98.24138
_cell_angle_gamma  98.33532
_cell_volume       526.16393
_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
  Na1 Na 0.25744 0.92793 0.85398 1.00000
  Na2 Na 0.74525 0.89344 0.31530 1.00000
  Na3 Na 0.73719 0.38904 0.81624 1.00000
  Na4 Na 0.26039 0.44247 0.36488 1.00000
  Al1 Al 0.73663 0.61321 0.60860 1.00000
  Al2 Al 0.26451 0.13977 0.63828 1.00000
  Cr1 Cr 0.26401 0.64148 0.13554 1.00000
  Cr2 Cr 0.73486 0.11264 0.11018 1.00000
  P1 P 0.51070 0.70598 0.89736 1.00000
  P2 P 0.12270 0.99016 0.25044 1.00000
  P3 P 0.11117 0.48172 0.73972 1.00000
  P4 P 0.49539 0.84886 0.54011 1.00000
  P5 P 0.50848 0.21841 0.41079 1.00000
  P6 P 0.87793 0.50716 0.26607 1.00000
  P7 P 0.88827 0.00223 0.76138 1.00000
  P8 P 0.48447 0.34258 0.03554 1.00000
  O1 O 0.55156 0.89025 0.95095 1.00000
  O2 O 0.36265 0.95361 0.63570 1.00000
  O3 O 0.10568 0.00016 0.41636 1.00000
  O4 O 0.08293 0.50081 0.90726 1.00000
  O5 O 0.28779 0.63701 0.77758 1.00000
  O6 O 0.71869 0.96803 0.60439 1.00000
  O7 O 0.90304 0.83311 0.74500 1.00000
  O8 O 0.64767 0.61382 0.79541 1.00000
  O9 O 0.51176 0.70529 0.57267 1.00000
  O10 O 0.43710 0.29135 0.85199 1.00000
  O11 O 0.45184 0.79585 0.35587 1.00000
  O12 O 0.18990 0.83858 0.13381 1.00000
  O13 O 0.16836 0.32058 0.63370 1.00000
  O14 O 0.07444 0.08788 0.74160 1.00000
  O15 O 0.06047 0.60438 0.25333 1.00000
  O16 O 0.93268 0.50434 0.64762 1.00000
  O17 O 0.93181 0.99903 0.16043 1.00000
  O18 O 0.83231 0.11778 0.92022 1.00000
  O19 O 0.81143 0.61413 0.42148 1.00000
  O20 O 0.55886 0.40205 0.46213 1.00000
  O21 O 0.48939 0.18812 0.55527 1.00000
  O22 O 0.49851 0.67351 0.04182 1.00000
  O23 O 0.35035 0.44323 0.13405 1.00000
  O24 O 0.28508 0.15511 0.29197 1.00000
  O25 O 0.70835 0.46169 0.10327 1.00000
  O26 O 0.90947 0.34296 0.25368 1.00000
  O27 O 0.63987 0.11766 0.30829 1.00000
  O28 O 0.49870 0.19701 0.06532 1.00000
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