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NaCa4N2

Alexandria ALEX

Alex-ID: agm003454693 · Space group: Cmcm (#63)

Basic Information

Formula
NaCa4N2
Alex-ID
agm003454693
Elements
3
Sites
14
Space group
Cmcm (#63)
Crystal system
orthorhombic
Volume
322.82
ų
Cell a
3.7861
Å
Cell b
6.6867
Å
Cell c
13.2954
Å
α angle
90.00
°
β angle
90.00
°
γ angle
106.45
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NaCa4N2
Na
2.00 · 14.3%
Ca
8.00 · 57.1%
N
4.00 · 28.6%

Energy & Stability

Energy above hull
0.2389
eV/atom
Formation energy
-0.5173
eV/atom
Corrected total energy
-57.7071
eV
Raw total energy
-57.7071
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
3.2822
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C4_972_spg63

Decomposition

Ca2N Na

Computed at

2022-02-18 07:34:01.137078

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: agm003454693).

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 agm003454693
data_agm003454693
_cell_length_a     3.78607
_cell_length_b     6.68670
_cell_length_c     13.29544
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  106.44557
_cell_volume       322.82134
_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 0.61815 0.23630 0.75000 1.00000
  Na2 Na 0.38185 0.76370 0.25000 1.00000
  Ca1 Ca 0.74522 0.49044 0.08986 1.00000
  Ca2 Ca 0.74522 0.49044 0.41014 1.00000
  Ca3 Ca 0.25478 0.50956 0.91014 1.00000
  Ca4 Ca 0.25478 0.50956 0.58986 1.00000
  Ca5 Ca 0.90328 0.80657 0.75000 1.00000
  Ca6 Ca 0.09672 0.19343 0.25000 1.00000
  Ca7 Ca 0.50000 0.00000 0.00000 1.00000
  Ca8 Ca 0.50000 0.00000 0.50000 1.00000
  N1 N 0.13692 0.27384 0.43884 1.00000
  N2 N 0.86308 0.72616 0.93884 1.00000
  N3 N 0.13692 0.27384 0.06116 1.00000
  N4 N 0.86308 0.72616 0.56116 1.00000
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