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NaCaMn2(GeO3)4

Alexandria ALEX

Alex-ID: agm010504141 · Space group: P2/c (#13)

Basic Information

Formula
NaCaMn2(GeO3)4
Alex-ID
agm010504141
Elements
5
Sites
40
Space group
P2/c (#13)
Crystal system
monoclinic
Volume
504.19
ų
Cell a
9.2020
Å
Cell b
5.5500
Å
Cell c
10.1875
Å
α angle
75.71
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NaCaMn2(GeO3)4
Na
2.00 · 5.0%
Ca
2.00 · 5.0%
Mn
4.00 · 10.0%
Ge
8.00 · 20.0%
O
24.00 · 60.0%

Energy & Stability

Energy above hull
0.0060
eV/atom
Formation energy
-2.2805
eV/atom
Corrected total energy
-290.4753
eV
Raw total energy
-266.8970
eV

Electronic Structure

Indirect band gap
0.2677
eV
Direct band gap
0.2677
eV
DOS at Fermi level
1.4607
Total magnetisation
18.0000
μB

Additional Information

Prototype ID

ABC2D4E12_72_spg13

Decomposition

Mn7GeO12 CaMn(GeO3)2 CaMnGeO4 CaGeO3 Na4Ge9O20

Computed at

2024-07-23 12:07:21.652680

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: agm010504141).

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 agm010504141
data_agm010504141
_cell_length_a     9.20195
_cell_length_b     5.54999
_cell_length_c     10.18748
_cell_angle_alpha  75.71243
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       504.18943
_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
  Na1 Na 0.55121 0.00000 0.25000 1.00000
  Na2 Na 0.44879 0.00000 0.75000 1.00000
  Ca1 Ca 0.05665 0.50000 0.75000 1.00000
  Ca2 Ca 0.94335 0.50000 0.25000 1.00000
  Mn1 Mn 0.65175 0.50000 0.75000 1.00000
  Mn2 Mn 0.34825 0.50000 0.25000 1.00000
  Mn3 Mn 0.15536 0.00000 0.25000 1.00000
  Mn4 Mn 0.84464 0.00000 0.75000 1.00000
  Ge1 Ge 0.84007 0.80876 0.46292 1.00000
  Ge2 Ge 0.84007 0.19124 0.03708 1.00000
  Ge3 Ge 0.35169 0.31449 0.96506 1.00000
  Ge4 Ge 0.15993 0.80876 0.96292 1.00000
  Ge5 Ge 0.35169 0.68551 0.53494 1.00000
  Ge6 Ge 0.15993 0.19124 0.53708 1.00000
  Ge7 Ge 0.64831 0.31449 0.46506 1.00000
  Ge8 Ge 0.64831 0.68551 0.03494 1.00000
  O1 O 0.77495 0.87841 0.10129 1.00000
  O2 O 0.00388 0.77801 0.38445 1.00000
  O3 O 0.83741 0.71413 0.64087 1.00000
  O4 O 0.27512 0.38590 0.61399 1.00000
  O5 O 0.83741 0.28587 0.85913 1.00000
  O6 O 0.51859 0.27911 0.89374 1.00000
  O7 O 0.22505 0.87841 0.60129 1.00000
  O8 O 0.00388 0.22199 0.11555 1.00000
  O9 O 0.33830 0.24521 0.14480 1.00000
  O10 O 0.99612 0.77801 0.88445 1.00000
  O11 O 0.77495 0.12159 0.39871 1.00000
  O12 O 0.16259 0.71413 0.14087 1.00000
  O13 O 0.33830 0.75479 0.35520 1.00000
  O14 O 0.72488 0.38590 0.11399 1.00000
  O15 O 0.51859 0.72089 0.60626 1.00000
  O16 O 0.16259 0.28587 0.35913 1.00000
  O17 O 0.48141 0.27911 0.39374 1.00000
  O18 O 0.27512 0.61410 0.88601 1.00000
  O19 O 0.99612 0.22199 0.61555 1.00000
  O20 O 0.66170 0.24521 0.64480 1.00000
  O21 O 0.22505 0.12159 0.89871 1.00000
  O22 O 0.66170 0.75479 0.85520 1.00000
  O23 O 0.48141 0.72089 0.10626 1.00000
  O24 O 0.72488 0.61410 0.38601 1.00000
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