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KMg2FeCoGe3(HO6)2

Alexandria ALEX

Alex-ID: agm006252901 · Space group: P1 (#1)

Alexandria Database API

Basic Information

Formula
KMg2FeCoGe3(HO6)2
Alex-ID
agm006252901
Elements
7
Sites
22
Space group
P1 (#1)
Crystal system
triclinic
Volume
285.37
ų
Cell a
5.4983
Å
Cell b
5.5085
Å
Cell c
11.0354
Å
α angle
85.00
°
β angle
80.33
°
γ angle
60.01
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KMg2FeCoGe3(HO6)2
K
1.00 · 4.5%
Mg
2.00 · 9.1%
Fe
1.00 · 4.5%
Co
1.00 · 4.5%
Ge
3.00 · 13.6%
H
2.00 · 9.1%
O
12.00 · 54.5%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-2.1561
eV/atom
Corrected total energy
-147.1234
eV
Raw total energy
-134.0889
eV

Electronic Structure

Indirect band gap
1.5502
eV
Direct band gap
1.5508
eV
DOS at Fermi level
0.0000
Total magnetisation
8.0544
μB

Additional Information

Prototype ID

ABCD2E2F3G12_0_spg1

Decomposition

KMg2FeCoGe3(HO6)2

Computed at

2024-02-20 16:00:10

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: agm006252901).

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 agm006252901
data_agm006252901
_cell_length_a     5.49828
_cell_length_b     5.50852
_cell_length_c     11.03542
_cell_angle_alpha  84.99660
_cell_angle_beta   80.33142
_cell_angle_gamma  60.00859
_cell_volume       285.36648
_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 0.50155 0.99825 0.98441 1.00000
  Mg1 Mg 0.33030 0.33380 0.50734 1.00000
  Mg2 Mg 0.66106 0.66809 0.50662 1.00000
  Fe1 Fe 0.23960 0.66660 0.76716 1.00000
  Co1 Co 0.00647 0.99707 0.50586 1.00000
  Ge1 Ge 0.90564 0.33382 0.76955 1.00000
  Ge2 Ge 0.75586 0.33312 0.23768 1.00000
  Ge3 Ge 0.08811 0.66474 0.23798 1.00000
  H1 H 0.62793 0.99798 0.68140 1.00000
  H2 H 0.37738 0.01096 0.31759 1.00000
  O1 O 0.64220 0.99869 0.59215 1.00000
  O2 O 0.36684 0.00664 0.40628 1.00000
  O3 O 0.30618 0.65956 0.59455 1.00000
  O4 O 0.96341 0.33805 0.60403 1.00000
  O5 O 0.70142 0.33757 0.39699 1.00000
  O6 O 0.03311 0.65873 0.39736 1.00000
  O7 O 0.92312 0.01470 0.82411 1.00000
  O8 O 0.02422 0.99887 0.17351 1.00000
  O9 O 0.56776 0.61235 0.82671 1.00000
  O10 O 0.16549 0.37248 0.82723 1.00000
  O11 O 0.44431 0.42164 0.17168 1.00000
  O12 O 0.86812 0.57621 0.16981 1.00000
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