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Ca3(CrN2)2

Alexandria ALEX

Alex-ID: agm003243286 · Space group: Pnna (#52)

Basic Information

Formula
Ca3(CrN2)2
Alex-ID
agm003243286
Elements
3
Sites
36
Space group
Pnna (#52)
Crystal system
orthorhombic
Volume
493.29
ų
Cell a
5.6083
Å
Cell b
9.6676
Å
Cell c
9.0982
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca3(CrN2)2
Ca
12.00 · 33.3%
Cr
8.00 · 22.2%
N
16.00 · 44.4%

Energy & Stability

Energy above hull
0.0730
eV/atom
Formation energy
-1.0024
eV/atom
Corrected total energy
-264.3369
eV
Raw total energy
-264.3368
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0148
eV
DOS at Fermi level
14.5976
Total magnetisation
1.4173
μB

Additional Information

Prototype ID

A2B3C4_5_spg62

Decomposition

Ca2CrN3 Ca3CrN3 Cr

Computed at

2021-12-17 14:06:55.330389

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: agm003243286).

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 agm003243286
data_agm003243286
_cell_length_a     5.60827
_cell_length_b     9.66762
_cell_length_c     9.09815
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       493.28961
_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
  Ca1 Ca 0.61756 0.15594 0.41775 1.00000
  Ca2 Ca 0.88244 0.84406 0.41775 1.00000
  Ca3 Ca 0.61756 0.34406 0.08225 1.00000
  Ca4 Ca 0.88244 0.65594 0.08225 1.00000
  Ca5 Ca 0.38244 0.84406 0.58225 1.00000
  Ca6 Ca 0.11756 0.15594 0.58225 1.00000
  Ca7 Ca 0.38244 0.65594 0.91775 1.00000
  Ca8 Ca 0.11756 0.34406 0.91775 1.00000
  Ca9 Ca 0.75000 0.50000 0.40261 1.00000
  Ca10 Ca 0.75000 0.00000 0.09739 1.00000
  Ca11 Ca 0.25000 0.50000 0.59739 1.00000
  Ca12 Ca 0.25000 0.00000 0.90261 1.00000
  Cr1 Cr 0.75000 0.50000 0.73511 1.00000
  Cr2 Cr 0.75000 0.00000 0.76489 1.00000
  Cr3 Cr 0.25000 0.50000 0.26489 1.00000
  Cr4 Cr 0.25000 0.00000 0.23511 1.00000
  Cr5 Cr 0.65245 0.25000 0.75000 1.00000
  Cr6 Cr 0.84755 0.75000 0.75000 1.00000
  Cr7 Cr 0.34755 0.75000 0.25000 1.00000
  Cr8 Cr 0.15245 0.25000 0.25000 1.00000
  N1 N 0.86977 0.35221 0.62522 1.00000
  N2 N 0.63023 0.64779 0.62522 1.00000
  N3 N 0.86977 0.14779 0.87478 1.00000
  N4 N 0.63023 0.85221 0.87478 1.00000
  N5 N 0.13023 0.64779 0.37478 1.00000
  N6 N 0.36977 0.35221 0.37478 1.00000
  N7 N 0.13023 0.85221 0.12522 1.00000
  N8 N 0.36977 0.14779 0.12522 1.00000
  N9 N 0.50664 0.41151 0.83706 1.00000
  N10 N 0.99336 0.58849 0.83706 1.00000
  N11 N 0.50664 0.08849 0.66294 1.00000
  N12 N 0.99336 0.91151 0.66294 1.00000
  N13 N 0.49336 0.58849 0.16294 1.00000
  N14 N 0.00664 0.41151 0.16294 1.00000
  N15 N 0.49336 0.91151 0.33706 1.00000
  N16 N 0.00664 0.08849 0.33706 1.00000
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