K6Na3Mn2Fe2Ge8Br3O26
Alexandria ALEXAlex-ID: agm010217064 · Space group: C2/m (#12)
Basic Information
Formula
K6Na3Mn2Fe2Ge8Br3O26
Alex-ID
agm010217064
Elements
7
Sites
50
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
831.95
ų
Cell a
10.0103
Å
Cell b
10.0103
Å
Cell c
9.5192
Å
α angle
81.63
°
β angle
98.37
°
γ angle
64.97
°
Composition
Element Composition (atomic fraction)
Composition Info
Formula
K6Na3Mn2Fe2Ge8Br3O26
K
6.00 · 12.0%
Na
3.00 · 6.0%
Mn
2.00 · 4.0%
Fe
2.00 · 4.0%
Ge
8.00 · 16.0%
Br
3.00 · 6.0%
O
26.00 · 52.0%
Energy & Stability
Energy above hull
0.0179
eV/atom
Formation energy
-2.0413
eV/atom
Corrected total energy
-318.7720
eV
Raw total energy
-291.6848
eV
Electronic Structure
Indirect band gap
1.5913
eV
Direct band gap
1.6079
eV
DOS at Fermi level
-0.0001
Total magnetisation
15.8953
μB
Additional Information
Prototype ID
A2B2C3D3E6F8G26_0_spg2
Decomposition
KFeGeO4 K4Ge9O20 Na2GeO3 Na2Mn3O7 NaFe(GeO3)2 KBr
Computed at
2025-01-06 14:35:30.062354
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: agm010217064).
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
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Raw CIF Data
# CIF generated by HEAS from Alexandria entry agm010217064
data_agm010217064
_cell_length_a 10.01034
_cell_length_b 10.01034
_cell_length_c 9.51919
_cell_angle_alpha 81.62890
_cell_angle_beta 98.37110
_cell_angle_gamma 64.97057
_cell_volume 831.95169
_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 0.64301 0.06403 0.38835 1.00000
K2 K 0.93597 0.35699 0.38835 1.00000
K3 K 0.35699 0.93597 0.61165 1.00000
K4 K 0.06403 0.64301 0.61165 1.00000
K5 K 0.90204 0.09796 0.13751 1.00000
K6 K 0.09796 0.90204 0.86249 1.00000
Na1 Na 0.61925 0.61925 0.00000 1.00000
Na2 Na 0.38075 0.38075 0.00000 1.00000
Na3 Na 0.50000 0.50000 0.50000 1.00000
Mn1 Mn 0.50000 0.00000 0.00000 1.00000
Mn2 Mn 0.00000 0.50000 0.00000 1.00000
Fe1 Fe 0.68483 0.68483 0.50000 1.00000
Fe2 Fe 0.31517 0.31517 0.50000 1.00000
Ge1 Ge 0.17875 0.62427 0.22624 1.00000
Ge2 Ge 0.37573 0.82125 0.22624 1.00000
Ge3 Ge 0.82125 0.37573 0.77376 1.00000
Ge4 Ge 0.62427 0.17875 0.77376 1.00000
Ge5 Ge 0.83251 0.74936 0.20206 1.00000
Ge6 Ge 0.25064 0.16749 0.20206 1.00000
Ge7 Ge 0.16749 0.25064 0.79794 1.00000
Ge8 Ge 0.74936 0.83251 0.79794 1.00000
Br1 Br 0.38213 0.61787 0.77309 1.00000
Br2 Br 0.61787 0.38213 0.22691 1.00000
Br3 Br 0.00000 0.00000 0.50000 1.00000
O1 O 0.69912 0.93899 0.12057 1.00000
O2 O 0.06101 0.30088 0.12057 1.00000
O3 O 0.30088 0.06101 0.87943 1.00000
O4 O 0.93899 0.69912 0.87943 1.00000
O5 O 0.00042 0.77803 0.21843 1.00000
O6 O 0.22197 0.99958 0.21843 1.00000
O7 O 0.99958 0.22197 0.78157 1.00000
O8 O 0.77803 0.00042 0.78157 1.00000
O9 O 0.81936 0.68856 0.38291 1.00000
O10 O 0.31144 0.18064 0.38291 1.00000
O11 O 0.18064 0.31144 0.61709 1.00000
O12 O 0.68856 0.81936 0.61709 1.00000
O13 O 0.25706 0.52060 0.40958 1.00000
O14 O 0.47940 0.74294 0.40958 1.00000
O15 O 0.74294 0.47940 0.59042 1.00000
O16 O 0.52060 0.25706 0.59042 1.00000
O17 O 0.86582 0.58915 0.12807 1.00000
O18 O 0.41085 0.13418 0.12807 1.00000
O19 O 0.13418 0.41085 0.87193 1.00000
O20 O 0.58915 0.86582 0.87193 1.00000
O21 O 0.28362 0.71638 0.16032 1.00000
O22 O 0.71638 0.28362 0.83968 1.00000
O23 O 0.17628 0.50371 0.11102 1.00000
O24 O 0.49629 0.82372 0.11102 1.00000
O25 O 0.82372 0.49629 0.88898 1.00000
O26 O 0.50371 0.17628 0.88898 1.00000
