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K2MnFeNi(AsO4)3

Alexandria ALEX

Alex-ID: agm010378580 · Space group: C2 (#5)

Basic Information

Formula
K2MnFeNi(AsO4)3
Alex-ID
agm010378580
Elements
6
Sites
40
Space group
C2 (#5)
Crystal system
monoclinic
Volume
524.64
ų
Cell a
9.0835
Å
Cell b
9.0835
Å
Cell c
6.8564
Å
α angle
75.24
°
β angle
75.24
°
γ angle
93.15
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2MnFeNi(AsO4)3
K
4.00 · 10.0%
Mn
2.00 · 5.0%
Fe
2.00 · 5.0%
Ni
2.00 · 5.0%
As
6.00 · 15.0%
O
24.00 · 60.0%

Energy & Stability

Energy above hull
0.0625
eV/atom
Formation energy
-1.7940
eV/atom
Corrected total energy
-269.8948
eV
Raw total energy
-239.8842
eV

Electronic Structure

Indirect band gap
1.0616
eV
Direct band gap
1.0649
eV
DOS at Fermi level
-0.0510
Total magnetisation
22.0001
μB

Additional Information

Prototype ID

ABCD2E3F12_0_spg5

Decomposition

K2MnAs2O7 KFeNi(AsO4)2 K4Mn7(AsO4)6 KNiAsO4 Mn(FeO2)2

Computed at

2024-08-24 23:46:16.639771

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: agm010378580).

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 agm010378580
data_agm010378580
_cell_length_a     9.08348
_cell_length_b     9.08348
_cell_length_c     6.85644
_cell_angle_alpha  75.24015
_cell_angle_beta   75.24015
_cell_angle_gamma  93.14646
_cell_volume       524.64362
_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 0.98595 0.01405 0.50000 1.00000
  K2 K 0.00770 0.99230 0.00000 1.00000
  K3 K 0.49799 0.49886 0.24951 1.00000
  K4 K 0.50114 0.50201 0.75049 1.00000
  Mn1 Mn 0.25487 0.74513 0.50000 1.00000
  Mn2 Mn 0.74308 0.25692 0.00000 1.00000
  Fe1 Fe 0.38291 0.06170 0.62219 1.00000
  Fe2 Fe 0.93830 0.61709 0.37781 1.00000
  Ni1 Ni 0.61754 0.94000 0.87846 1.00000
  Ni2 Ni 0.06000 0.38246 0.12154 1.00000
  As1 As 0.64255 0.86981 0.37260 1.00000
  As2 As 0.13019 0.35745 0.62740 1.00000
  As3 As 0.35271 0.12936 0.12462 1.00000
  As4 As 0.87064 0.64729 0.87538 1.00000
  As5 As 0.72380 0.27620 0.50000 1.00000
  As6 As 0.28049 0.71951 0.00000 1.00000
  O1 O 0.19825 0.18178 0.62465 1.00000
  O2 O 0.81822 0.80175 0.37535 1.00000
  O3 O 0.81429 0.82460 0.86545 1.00000
  O4 O 0.17540 0.18571 0.13455 1.00000
  O5 O 0.24740 0.83964 0.77060 1.00000
  O6 O 0.16036 0.75260 0.22940 1.00000
  O7 O 0.75851 0.16352 0.72464 1.00000
  O8 O 0.83648 0.24149 0.27536 1.00000
  O9 O 0.33381 0.99808 0.37127 1.00000
  O10 O 0.00192 0.66619 0.62873 1.00000
  O11 O 0.67370 0.00115 0.12971 1.00000
  O12 O 0.99885 0.32630 0.87029 1.00000
  O13 O 0.27245 0.50106 0.57755 1.00000
  O14 O 0.49894 0.72755 0.42245 1.00000
  O15 O 0.73012 0.50167 0.92449 1.00000
  O16 O 0.49833 0.26988 0.07551 1.00000
  O17 O 0.52932 0.25205 0.52026 1.00000
  O18 O 0.74795 0.47068 0.47974 1.00000
  O19 O 0.47039 0.74619 0.98621 1.00000
  O20 O 0.25381 0.52961 0.01379 1.00000
  O21 O 0.59160 0.96311 0.56993 1.00000
  O22 O 0.03689 0.40840 0.43007 1.00000
  O23 O 0.40022 0.03703 0.92536 1.00000
  O24 O 0.96296 0.59978 0.07464 1.00000
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