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K2BeCl4

Alexandria ALEX

Alex-ID: agm005267670 · Space group: Pnma (#62)

Alexandria Database API

Basic Information

Formula
K2BeCl4
Alex-ID
agm005267670
Elements
3
Sites
28
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
759.67
ų
Cell a
6.9184
Å
Cell b
8.9035
Å
Cell c
12.3328
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2BeCl4
K
8.00 · 28.6%
Be
4.00 · 14.3%
Cl
16.00 · 57.1%

Energy & Stability

Energy above hull
0.0032
eV/atom
Formation energy
-2.1193
eV/atom
Corrected total energy
-103.1241
eV
Raw total energy
-103.1241
eV

Electronic Structure

Indirect band gap
5.2756
eV
Direct band gap
5.2756
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C4_9_spg62

Decomposition

K2BeCl4

Computed at

2023-05-11 03:40:59.943879

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: agm005267670).

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 agm005267670
data_agm005267670
_cell_length_a     6.91841
_cell_length_b     8.90348
_cell_length_c     12.33279
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       759.67411
_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 0.75000 0.01744 0.82356 1.00000
  K2 K 0.25000 0.98256 0.17644 1.00000
  K3 K 0.25000 0.48256 0.32356 1.00000
  K4 K 0.75000 0.51744 0.67644 1.00000
  K5 K 0.75000 0.36381 0.08029 1.00000
  K6 K 0.25000 0.63619 0.91971 1.00000
  K7 K 0.25000 0.13619 0.58029 1.00000
  K8 K 0.75000 0.86381 0.41971 1.00000
  Be1 Be 0.75000 0.26870 0.42363 1.00000
  Be2 Be 0.25000 0.73130 0.57637 1.00000
  Be3 Be 0.25000 0.23130 0.92363 1.00000
  Be4 Be 0.75000 0.76870 0.07637 1.00000
  Cl1 Cl 0.51119 0.18307 0.34969 1.00000
  Cl2 Cl 0.48881 0.81693 0.65031 1.00000
  Cl3 Cl 0.48881 0.31693 0.84969 1.00000
  Cl4 Cl 0.01119 0.81693 0.65031 1.00000
  Cl5 Cl 0.51119 0.68307 0.15031 1.00000
  Cl6 Cl 0.98881 0.18307 0.34969 1.00000
  Cl7 Cl 0.98881 0.68307 0.15031 1.00000
  Cl8 Cl 0.01119 0.31693 0.84969 1.00000
  Cl9 Cl 0.75000 0.49537 0.41485 1.00000
  Cl10 Cl 0.25000 0.50463 0.58515 1.00000
  Cl11 Cl 0.25000 0.00463 0.91485 1.00000
  Cl12 Cl 0.75000 0.99537 0.08515 1.00000
  Cl13 Cl 0.75000 0.69128 0.91978 1.00000
  Cl14 Cl 0.25000 0.30872 0.08022 1.00000
  Cl15 Cl 0.25000 0.80872 0.41978 1.00000
  Cl16 Cl 0.75000 0.19128 0.58022 1.00000
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