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NaSrAs2Se

Alexandria ALEX

Alex-ID: agm001677892 · Space group: P4/mmm (#123)

Alexandria Database API

Basic Information

Formula
NaSrAs2Se
Alex-ID
agm001677892
Elements
4
Sites
5
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
192.02
ų
Cell a
5.7645
Å
Cell b
5.7645
Å
Cell c
5.7788
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NaSrAs2Se
Sr
1.00 · 20.0%
As
2.00 · 40.0%
Se
1.00 · 20.0%
Na
1.00 · 20.0%

Energy & Stability

Energy above hull
1.2588
eV/atom
Formation energy
0.2560
eV/atom
Corrected total energy
-14.5181
eV
Raw total energy
-14.5181
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
5.2476
Total magnetisation
0.8975
μB

Additional Information

Prototype ID

ABCD2_2_spg123

Decomposition

Na3As7 NaAs SrSe

Computed at

2020-01-30 20:26:05

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: agm001677892).

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 agm001677892
data_agm001677892
_cell_length_a     5.76446
_cell_length_b     5.76446
_cell_length_c     5.77881
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       192.02395
_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
  Sr1 Sr 0.00000 0.00000 0.00000 1.00000
  As1 As 0.00000 0.50000 0.00000 1.00000
  As2 As 0.50000 0.00000 0.00000 1.00000
  Se1 Se 0.00000 0.00000 0.50000 1.00000
  Na1 Na 0.50000 0.50000 0.50000 1.00000
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