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Na3Cr2As2(CO7)2

Alexandria ALEX

Alex-ID: agm010137205 · Space group: P-1 (#2)

Basic Information

Formula
Na3Cr2As2(CO7)2
Alex-ID
agm010137205
Elements
5
Sites
46
Space group
P-1 (#2)
Crystal system
triclinic
Volume
664.05
ų
Cell a
8.2468
Å
Cell b
8.6908
Å
Cell c
9.4598
Å
α angle
89.93
°
β angle
95.22
°
γ angle
100.38
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na3Cr2As2(CO7)2
Na
6.00 · 13.0%
Cr
4.00 · 8.7%
As
4.00 · 8.7%
C
4.00 · 8.7%
O
28.00 · 60.9%

Energy & Stability

Energy above hull
0.0412
eV/atom
Formation energy
-1.9720
eV/atom
Corrected total energy
-331.4446
eV
Raw total energy
-303.7285
eV

Electronic Structure

Indirect band gap
0.7386
eV
Direct band gap
0.7450
eV
DOS at Fermi level
-0.3867
Total magnetisation
9.9684
μB

Additional Information

Prototype ID

A2B2C2D3E14_5_spg2

Decomposition

NaAsO3 Na7As11O31 Na3Cr2(AsO4)3 NaO4 NaCr(CO3)2

Computed at

2025-03-10 01:53:43

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: agm010137205).

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 agm010137205
data_agm010137205
_cell_length_a     8.24677
_cell_length_b     8.69085
_cell_length_c     9.45980
_cell_angle_alpha  89.92610
_cell_angle_beta   95.22250
_cell_angle_gamma  100.38121
_cell_volume       664.05085
_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 0.62600 0.59493 0.80788 1.00000
  Na2 Na 0.40966 0.90085 0.79288 1.00000
  Na3 Na 0.09025 0.16318 0.76982 1.00000
  Na4 Na 0.90975 0.83682 0.23018 1.00000
  Na5 Na 0.59034 0.09915 0.20712 1.00000
  Na6 Na 0.37400 0.40507 0.19212 1.00000
  Cr1 Cr 0.52562 0.26839 0.66087 1.00000
  Cr2 Cr 0.03868 0.77064 0.64998 1.00000
  Cr3 Cr 0.47438 0.73161 0.33913 1.00000
  Cr4 Cr 0.96132 0.22936 0.35002 1.00000
  As1 As 0.73120 0.98122 0.56880 1.00000
  As2 As 0.23585 0.48863 0.55722 1.00000
  As3 As 0.76415 0.51137 0.44278 1.00000
  As4 As 0.26880 0.01878 0.43120 1.00000
  C1 C 0.00047 0.76048 0.90058 1.00000
  C2 C 0.47597 0.24327 0.91334 1.00000
  C3 C 0.52403 0.75673 0.08666 1.00000
  C4 C 0.99953 0.23952 0.09942 1.00000
  O1 O 0.54959 0.77139 0.95809 1.00000
  O2 O 0.02760 0.24988 0.97423 1.00000
  O3 O 0.60181 0.33619 0.86562 1.00000
  O4 O 0.12978 0.84569 0.84734 1.00000
  O5 O 0.89730 0.68528 0.79340 1.00000
  O6 O 0.37693 0.16254 0.80892 1.00000
  O7 O 0.91853 0.95051 0.64894 1.00000
  O8 O 0.40268 0.44913 0.66230 1.00000
  O9 O 0.64272 0.08258 0.68606 1.00000
  O10 O 0.16084 0.61031 0.67361 1.00000
  O11 O 0.59572 0.80918 0.52900 1.00000
  O12 O 0.72056 0.41685 0.59581 1.00000
  O13 O 0.22504 0.91156 0.58273 1.00000
  O14 O 0.08784 0.31953 0.52991 1.00000
  O15 O 0.91216 0.68047 0.47009 1.00000
  O16 O 0.77496 0.08844 0.41727 1.00000
  O17 O 0.27944 0.58315 0.40419 1.00000
  O18 O 0.40428 0.19082 0.47100 1.00000
  O19 O 0.83916 0.38969 0.32639 1.00000
  O20 O 0.59732 0.55087 0.33770 1.00000
  O21 O 0.35728 0.91742 0.31394 1.00000
  O22 O 0.08147 0.04949 0.35106 1.00000
  O23 O 0.62307 0.83746 0.19108 1.00000
  O24 O 0.10270 0.31472 0.20660 1.00000
  O25 O 0.87022 0.15431 0.15266 1.00000
  O26 O 0.39819 0.66381 0.13438 1.00000
  O27 O 0.97240 0.75012 0.02577 1.00000
  O28 O 0.45041 0.22861 0.04191 1.00000
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