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NaCaCrFe(SiO3)4

Alexandria ALEX

Alex-ID: agm010540329 · Space group: P2/c (#13)

Basic Information

Formula
NaCaCrFe(SiO3)4
Alex-ID
agm010540329
Elements
6
Sites
40
Space group
P2/c (#13)
Crystal system
monoclinic
Volume
453.80
ų
Cell a
9.0045
Å
Cell b
5.3553
Å
Cell c
9.7395
Å
α angle
75.07
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NaCaCrFe(SiO3)4
Na
2.00 · 5.0%
Ca
2.00 · 5.0%
Cr
2.00 · 5.0%
Fe
2.00 · 5.0%
Si
8.00 · 20.0%
O
24.00 · 60.0%

Energy & Stability

Energy above hull
0.0592
eV/atom
Formation energy
-2.9184
eV/atom
Corrected total energy
-321.9323
eV
Raw total energy
-295.5853
eV

Electronic Structure

Indirect band gap
2.6288
eV
Direct band gap
2.6299
eV
DOS at Fermi level
0.0000
Total magnetisation
10.0000
μB

Additional Information

Prototype ID

ABCDE4F12_3_spg13

Decomposition

Na2Fe(Si2O5)2 Ca3Cr2(SiO4)3 Cr2FeO4 Fe2SiO4 SiO2

Computed at

2024-08-24 23:52:17.102028

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: agm010540329).

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 agm010540329
data_agm010540329
_cell_length_a     9.00453
_cell_length_b     5.35534
_cell_length_c     9.73954
_cell_angle_alpha  75.06852
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       453.80464
_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 0.54797 0.50000 0.75000 1.00000
  Na2 Na 0.45203 0.50000 0.25000 1.00000
  Ca1 Ca 0.04790 0.00000 0.25000 1.00000
  Ca2 Ca 0.95210 0.00000 0.75000 1.00000
  Cr1 Cr 0.65284 0.00000 0.25000 1.00000
  Cr2 Cr 0.34716 0.00000 0.75000 1.00000
  Fe1 Fe 0.15973 0.50000 0.75000 1.00000
  Fe2 Fe 0.84027 0.50000 0.25000 1.00000
  Si1 Si 0.83380 0.30231 0.95982 1.00000
  Si2 Si 0.83380 0.69769 0.54018 1.00000
  Si3 Si 0.34774 0.80649 0.46071 1.00000
  Si4 Si 0.16620 0.30231 0.45982 1.00000
  Si5 Si 0.34774 0.19351 0.03929 1.00000
  Si6 Si 0.16620 0.69769 0.04018 1.00000
  Si7 Si 0.65226 0.80649 0.96071 1.00000
  Si8 Si 0.65226 0.19351 0.53929 1.00000
  O1 O 0.75895 0.40506 0.59609 1.00000
  O2 O 0.99429 0.29665 0.88829 1.00000
  O3 O 0.82796 0.20598 0.13372 1.00000
  O4 O 0.26504 0.90775 0.10591 1.00000
  O5 O 0.82796 0.79402 0.36628 1.00000
  O6 O 0.50724 0.79978 0.38754 1.00000
  O7 O 0.24105 0.40506 0.09609 1.00000
  O8 O 0.99429 0.70335 0.61171 1.00000
  O9 O 0.33956 0.73579 0.63398 1.00000
  O10 O 0.00571 0.29665 0.38829 1.00000
  O11 O 0.75895 0.59494 0.90391 1.00000
  O12 O 0.17204 0.20598 0.63372 1.00000
  O13 O 0.33956 0.26421 0.86602 1.00000
  O14 O 0.73496 0.90775 0.60591 1.00000
  O15 O 0.50724 0.20022 0.11246 1.00000
  O16 O 0.17204 0.79402 0.86628 1.00000
  O17 O 0.49276 0.79978 0.88754 1.00000
  O18 O 0.26504 0.09225 0.39409 1.00000
  O19 O 0.00571 0.70335 0.11171 1.00000
  O20 O 0.66044 0.73579 0.13398 1.00000
  O21 O 0.24105 0.59494 0.40391 1.00000
  O22 O 0.66044 0.26421 0.36602 1.00000
  O23 O 0.49276 0.20022 0.61246 1.00000
  O24 O 0.73496 0.09225 0.89409 1.00000
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