Navigation

HEAS Data Platform · Materials Science Database

K2Be

Alexandria ALEX

Alex-ID: agm005442113 · Space group: Cmcm (#63)

Basic Information

Formula
K2Be
Alex-ID
agm005442113
Elements
2
Sites
6
Space group
Cmcm (#63)
Crystal system
orthorhombic
Volume
302.90
ų
Cell a
9.5375
Å
Cell b
9.5375
Å
Cell c
4.2512
Å
α angle
90.00
°
β angle
90.00
°
γ angle
128.44
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2Be
K
4.00 · 66.7%
Be
2.00 · 33.3%

Energy & Stability

Energy above hull
0.4767
eV/atom
Formation energy
0.4767
eV/atom
Corrected total energy
-9.0011
eV
Raw total energy
-9.0011
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0068
eV
DOS at Fermi level
3.1131
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2_2058_spg63

Decomposition

Be K

Computed at

2023-03-19 05:39:19.738589

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: agm005442113).

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 agm005442113
data_agm005442113
_cell_length_a     9.53753
_cell_length_b     9.53753
_cell_length_c     4.25122
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  128.43761
_cell_volume       302.90414
_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
  K1 K 0.88122 0.62571 0.75000 1.00000
  K2 K 0.11878 0.37429 0.25000 1.00000
  K3 K 0.62571 0.88122 0.75000 1.00000
  K4 K 0.37429 0.11878 0.25000 1.00000
  Be1 Be 0.02009 0.02009 0.75000 1.00000
  Be2 Be 0.97991 0.97991 0.25000 1.00000
Get direct link