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KRbMnAs2O7

Alexandria ALEX

Alex-ID: agm010902249 · Space group: P2_1/c (#14)

Basic Information

Formula
KRbMnAs2O7
Alex-ID
agm010902249
Elements
5
Sites
48
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
929.76
ų
Cell a
8.0544
Å
Cell b
8.3669
Å
Cell c
15.9308
Å
α angle
60.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KRbMnAs2O7
K
4.00 · 8.3%
Rb
4.00 · 8.3%
Mn
4.00 · 8.3%
As
8.00 · 16.7%
O
28.00 · 58.3%

Energy & Stability

Energy above hull
0.0182
eV/atom
Formation energy
-1.9964
eV/atom
Corrected total energy
-316.8120
eV
Raw total energy
-290.4244
eV

Electronic Structure

Indirect band gap
2.4567
eV
Direct band gap
2.4567
eV
DOS at Fermi level
0.0000
Total magnetisation
20.0000
μB

Additional Information

Prototype ID

ABCD2E7_30_spg14

Decomposition

Rb2MnAs2O7 K2MnAs2O7

Computed at

2024-10-01 18:41:17.530193

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: agm010902249).

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 agm010902249
data_agm010902249
_cell_length_a     8.05440
_cell_length_b     8.36694
_cell_length_c     15.93077
_cell_angle_alpha  60.00125
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       929.76470
_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 0.52917 0.25335 0.11546 1.00000
  K2 K 0.02917 0.74665 0.38454 1.00000
  K3 K 0.47083 0.74665 0.88454 1.00000
  K4 K 0.97083 0.25335 0.61546 1.00000
  Rb1 Rb 0.80587 0.21775 0.38748 1.00000
  Rb2 Rb 0.69413 0.21775 0.88748 1.00000
  Rb3 Rb 0.19413 0.78225 0.61252 1.00000
  Rb4 Rb 0.30587 0.78225 0.11252 1.00000
  Mn1 Mn 0.52265 0.78729 0.37710 1.00000
  Mn2 Mn 0.47735 0.21271 0.62290 1.00000
  Mn3 Mn 0.97735 0.78729 0.87710 1.00000
  Mn4 Mn 0.02265 0.21271 0.12290 1.00000
  As1 As 0.69596 0.57019 0.60181 1.00000
  As2 As 0.80404 0.57019 0.10181 1.00000
  As3 As 0.78802 0.83724 0.19176 1.00000
  As4 As 0.71198 0.83724 0.69176 1.00000
  As5 As 0.19596 0.42981 0.89819 1.00000
  As6 As 0.30404 0.42981 0.39819 1.00000
  As7 As 0.21198 0.16276 0.80824 1.00000
  As8 As 0.28802 0.16276 0.30824 1.00000
  O1 O 0.48286 0.06783 0.32433 1.00000
  O2 O 0.11073 0.37920 0.44440 1.00000
  O3 O 0.88927 0.62080 0.55560 1.00000
  O4 O 0.83764 0.33527 0.16203 1.00000
  O5 O 0.38927 0.37920 0.94440 1.00000
  O6 O 0.53577 0.68697 0.52456 1.00000
  O7 O 0.66236 0.33527 0.66203 1.00000
  O8 O 0.61073 0.62080 0.05560 1.00000
  O9 O 0.16236 0.66473 0.83797 1.00000
  O10 O 0.51714 0.93217 0.67567 1.00000
  O11 O 0.46423 0.31303 0.47544 1.00000
  O12 O 0.26962 0.23009 0.69162 1.00000
  O13 O 0.35145 0.03593 0.89514 1.00000
  O14 O 0.03577 0.31303 0.97544 1.00000
  O15 O 0.32199 0.38624 0.29798 1.00000
  O16 O 0.73038 0.76991 0.30838 1.00000
  O17 O 0.96423 0.68697 0.02456 1.00000
  O18 O 0.23038 0.23009 0.19162 1.00000
  O19 O 0.76962 0.76991 0.80838 1.00000
  O20 O 0.67801 0.61376 0.70202 1.00000
  O21 O 0.14855 0.03593 0.39514 1.00000
  O22 O 0.85145 0.96407 0.60486 1.00000
  O23 O 0.98286 0.93217 0.17567 1.00000
  O24 O 0.64855 0.96407 0.10486 1.00000
  O25 O 0.01714 0.06783 0.82433 1.00000
  O26 O 0.33764 0.66473 0.33797 1.00000
  O27 O 0.82199 0.61376 0.20202 1.00000
  O28 O 0.17801 0.38624 0.79798 1.00000
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