Na2Sm2MgGe4(O6F)2

Alexandria ALEX

Alex-ID: agm010239686 · Space group: P2_1/c (#14)

Alexandria Database API

Basic Information

Formula

Na2Sm2MgGe4(O6F)2

Alex-ID

agm010239686

Elements

Sites

Space group

P2_1/c (#14)

Crystal system

monoclinic

Volume

627.05

Å³

Cell a

7.7748

Cell b

5.3673

Cell c

15.0263

α angle

89.91

β angle

90.00

γ angle

90.00

Composition

Element Composition (atomic fraction)

Composition Info

Formula

Na2Sm2MgGe4(O6F)2

4.00 · 8.7%

2.00 · 4.3%

8.00 · 17.4%

24.00 · 52.2%

4.00 · 8.7%

Energy & Stability

Energy above hull

0.0000

eV/atom

Formation energy

-2.8112

eV/atom

Corrected total energy

-318.2939

Raw total energy

-301.4389

Electronic Structure

Indirect band gap

3.5019

Direct band gap

3.5019

DOS at Fermi level

0.0000

Total magnetisation

0.0000

μB

Additional Information

Prototype ID

AB2C2D2E4F12_0_spg14

Decomposition

Na2Sm2MgGe4(O6F)2

Computed at

2024-09-05 06:48:42.644016

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: agm010239686).

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 agm010239686
data_agm010239686
_cell_length_a     7.77485
_cell_length_b     5.36729
_cell_length_c     15.02634
_cell_angle_alpha  89.90524
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       627.04589
_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 0.95641 0.50504 0.29061 1.00000
  Na2 Na 0.04359 0.49496 0.70939 1.00000
  Na3 Na 0.54359 0.50504 0.79061 1.00000
  Na4 Na 0.45641 0.49496 0.20939 1.00000
  Sm1 Sm 0.73131 0.48775 0.54296 1.00000
  Sm2 Sm 0.76869 0.48775 0.04296 1.00000
  Sm3 Sm 0.26869 0.51225 0.45704 1.00000
  Sm4 Sm 0.23131 0.51225 0.95704 1.00000
  Mg1 Mg 0.00000 0.00000 0.50000 1.00000
  Mg2 Mg 0.50000 0.00000 0.00000 1.00000
  Ge1 Ge 0.75390 0.97610 0.18579 1.00000
  Ge2 Ge 0.25390 0.02390 0.31421 1.00000
  Ge3 Ge 0.12753 0.03145 0.11013 1.00000
  Ge4 Ge 0.87247 0.96855 0.88987 1.00000
  Ge5 Ge 0.37247 0.03145 0.61013 1.00000
  Ge6 Ge 0.62753 0.96855 0.38987 1.00000
  Ge7 Ge 0.24610 0.02390 0.81421 1.00000
  Ge8 Ge 0.74610 0.97610 0.68579 1.00000
  O1 O 0.77161 0.14696 0.45170 1.00000
  O2 O 0.95917 0.83313 0.15348 1.00000
  O3 O 0.22839 0.85304 0.54830 1.00000
  O4 O 0.54953 0.71116 0.44980 1.00000
  O5 O 0.72839 0.14696 0.95170 1.00000
  O6 O 0.72553 0.83320 0.29254 1.00000
  O7 O 0.95047 0.71116 0.94980 1.00000
  O8 O 0.61727 0.82400 0.11094 1.00000
  O9 O 0.04083 0.16687 0.84652 1.00000
  O10 O 0.45047 0.28884 0.55020 1.00000
  O11 O 0.38273 0.17600 0.88906 1.00000
  O12 O 0.88273 0.82400 0.61094 1.00000
  O13 O 0.54083 0.83313 0.65348 1.00000
  O14 O 0.45917 0.16687 0.34652 1.00000
  O15 O 0.77447 0.83320 0.79254 1.00000
  O16 O 0.75899 0.29960 0.18538 1.00000
  O17 O 0.11727 0.17600 0.38906 1.00000
  O18 O 0.04953 0.28884 0.05020 1.00000
  O19 O 0.22553 0.16680 0.20746 1.00000
  O20 O 0.25899 0.70040 0.31462 1.00000
  O21 O 0.74101 0.29960 0.68538 1.00000
  O22 O 0.27447 0.16680 0.70746 1.00000
  O23 O 0.24101 0.70040 0.81462 1.00000
  O24 O 0.27161 0.85304 0.04830 1.00000
  F1 F 0.03939 0.33179 0.55973 1.00000
  F2 F 0.96061 0.66821 0.44027 1.00000
  F3 F 0.53939 0.66821 0.94027 1.00000
  F4 F 0.46061 0.33179 0.05973 1.00000

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