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Rb2CaMn5Ge8(HO12)2

Alexandria ALEX

Alex-ID: agm006260004 · Space group: C2 (#5)

Basic Information

Formula
Rb2CaMn5Ge8(HO12)2
Alex-ID
agm006260004
Elements
6
Sites
42
Space group
C2 (#5)
Crystal system
monoclinic
Volume
567.94
ų
Cell a
11.0461
Å
Cell b
11.0461
Å
Cell c
5.5740
Å
α angle
82.10
°
β angle
97.90
°
γ angle
60.25
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb2CaMn5Ge8(HO12)2
Rb
2.00 · 4.8%
Ca
1.00 · 2.4%
Mn
5.00 · 11.9%
Ge
8.00 · 19.0%
H
2.00 · 4.8%
O
24.00 · 57.1%

Energy & Stability

Energy above hull
0.1383
eV/atom
Formation energy
-2.0229
eV/atom
Corrected total energy
-297.1636
eV
Raw total energy
-271.9044
eV

Electronic Structure

Indirect band gap
0.5470
eV
Direct band gap
0.5470
eV
DOS at Fermi level
0.0689
Total magnetisation
14.9624
μB

Additional Information

Prototype ID

AB2C2D5E8F24_0_spg1

Decomposition

MnGeO3 CaMn(GeO3)2 Mn2GeO4 Rb2Mn(Ge2O5)2 H2O

Computed at

2025-03-13 05:53:53

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: agm006260004).

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 agm006260004
data_agm006260004
_cell_length_a     11.04613
_cell_length_b     11.04613
_cell_length_c     5.57395
_cell_angle_alpha  82.10225
_cell_angle_beta   97.89775
_cell_angle_gamma  60.25433
_cell_volume       567.94327
_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
  Rb1 Rb 0.50580 0.50580 0.50000 1.00000
  Rb2 Rb 0.71243 0.71243 0.00000 1.00000
  Ca1 Ca 0.27976 0.27976 0.00000 1.00000
  Mn1 Mn 0.91061 0.91061 0.00000 1.00000
  Mn2 Mn 0.08837 0.08837 0.00000 1.00000
  Mn3 Mn 0.81754 0.81754 0.50000 1.00000
  Mn4 Mn 0.18245 0.18245 0.50000 1.00000
  Mn5 Mn 0.99805 0.99805 0.50000 1.00000
  Ge1 Ge 0.11169 0.54620 0.32720 1.00000
  Ge2 Ge 0.44647 0.90115 0.30981 1.00000
  Ge3 Ge 0.90115 0.44647 0.69019 1.00000
  Ge4 Ge 0.54620 0.11169 0.67280 1.00000
  Ge5 Ge 0.17785 0.64777 0.82137 1.00000
  Ge6 Ge 0.34377 0.82289 0.80260 1.00000
  Ge7 Ge 0.82289 0.34377 0.19740 1.00000
  Ge8 Ge 0.64777 0.17785 0.17863 1.00000
  H1 H 0.18490 0.81017 0.28044 1.00000
  H2 H 0.81017 0.18490 0.71956 1.00000
  O1 O 0.31881 0.67718 0.77220 1.00000
  O2 O 0.67718 0.31881 0.22780 1.00000
  O3 O 0.01244 0.81102 0.73170 1.00000
  O4 O 0.18416 0.98918 0.71069 1.00000
  O5 O 0.98918 0.18416 0.28931 1.00000
  O6 O 0.81102 0.01244 0.26830 1.00000
  O7 O 0.20668 0.51054 0.65413 1.00000
  O8 O 0.46642 0.79826 0.61250 1.00000
  O9 O 0.79826 0.46642 0.38750 1.00000
  O10 O 0.51054 0.20668 0.34587 1.00000
  O11 O 0.95542 0.71604 0.24340 1.00000
  O12 O 0.28502 0.07090 0.21910 1.00000
  O13 O 0.07090 0.28502 0.78090 1.00000
  O14 O 0.71604 0.95542 0.75660 1.00000
  O15 O 0.23446 0.55725 0.14239 1.00000
  O16 O 0.43138 0.78284 0.12056 1.00000
  O17 O 0.78284 0.43138 0.87944 1.00000
  O18 O 0.55725 0.23446 0.85761 1.00000
  O19 O 0.09653 0.90364 0.22595 1.00000
  O20 O 0.90364 0.09653 0.77405 1.00000
  O21 O 0.12779 0.38668 0.27854 1.00000
  O22 O 0.60237 0.89874 0.30754 1.00000
  O23 O 0.89874 0.60237 0.69246 1.00000
  O24 O 0.38668 0.12779 0.72146 1.00000
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