Structure info
Layer group p-6m2
Layer group number 78
Structure origin original03-18
Stability
Energy above convex hull [eV/atom] 0.115
Heat of formation [eV/atom] -0.451
Dynamically stable No
Basic properties
Magnetic Yes
Band gap (PBE) [eV] 0.000
XYZ CIF JSON
Axis x [Å] y [Å] z [Å] Periodic
1 3.091 -0.000 0.000 Yes
2 -1.546 2.677 0.000 Yes
3 0.000 -0.000 17.786 No
Lengths [Å] 3.091 3.091 17.786
Angles [°] 90.000 90.000 120.000

Symmetries
2D Bravais type Hexagonal (hp)
Layer group number 78
Layer group p-6m2
Space group number (bulk in AA-stacking) 187
Space group (bulk in AA-stacking) P-6m2
Point group -6m2
Inversion symmetry No
Structure data
Formula MnS2
Stoichiometry AB2
Number of atoms 3
Unit cell area [Å2] 8.275
Thickness [Å] 2.846

MnS2 (1MnS2-2)
Heat of formation [eV/atom] -0.45
Energy above convex hull [eV/atom] 0.12
Monolayers from C2DB
MnS2 (1MnS2-1) -0.57 eV/atom
Mn3S4 (1Mn3S4-1) -0.49 eV/atom
Mn2S2 (2MnS-1) -0.49 eV/atom
MnS2, (1MnS2-2) -0.45 eV/atom
Mn4S4 (4MnS-1) -0.43 eV/atom
Mn2S2 (2MnS-2) -0.41 eV/atom
Mn2S4 (2MnS2-1) -0.40 eV/atom
Mn2S2 (2MnS-3) -0.37 eV/atom
Mn2S2 (2MnS-4) -0.35 eV/atom
MnS2 (1MnS2-3) -0.23 eV/atom
Mn2S2 (2MnS-5) -0.19 eV/atom
Mn2S2 (2MnS-6) -0.18 eV/atom
Mn2S2 (2MnS-7) -0.18 eV/atom
Mn2S10 (2MnS5-1) 0.03 eV/atom
S2 (2S-1) 0.45 eV/atom
S2 (2S-2) 0.62 eV/atom
Bulk crystals from OQMD123
Mn4S6 -0.54 eV/atom
Mn2S2 -0.45 eV/atom
Mn29 0.00 eV/atom
S48 0.00 eV/atom

materials/AB2/1MnS2/2/phonon_bs.png
Minimum eigenvalue of Hessian [eV/Ų] -2.47

Cij (N/m) xx yy xy
xx 87.90 36.73 0.01
yy 36.80 87.77 0.01
xy 0.00 0.00 51.90
Stiffness tensor eigenvalues
Eigenvalue 0 51.07 N/m
Eigenvalue 1 51.90 N/m
Eigenvalue 2 124.60 N/m

Total magnetic moment [μB] 1.000
Magnetic anisotropy energy, xz [meV/unit cell] -0.415
Magnetic anisotropy energy, yz [meV/unit cell] -0.415
Heisenberg model
Nearest neighbor exchange coupling [meV] -2.565
Single-ion anisotropy (out-of-plane) [meV] 0.000
Anisotropic exchange (out-of-plane) [meV] 0.745
Maximum value of Sz at magnetic sites 0.500
Number of nearest neighbors 6
Atom index Atom type Local spin magnetic moment (μB) Local orbital magnetic moment (μB)
0 Mn 1.184 -0.035
1 S -0.060 0.004
2 S -0.060 0.004

Key values [eV]
Band gap (PBE) 0.000
Direct band gap (PBE) 0.000
Fermi level wrt. vacuum (PBE) -5.242
DOS BZ

materials/AB2/1MnS2/2/fermi_surface.png

Atom No. Chemical symbol Charges [|e|]
0 Mn 0.97
1 S -0.48
2 S -0.49

materials/AB2/1MnS2/2/rpa-pol-x.png materials/AB2/1MnS2/2/rpa-pol-z.png
materials/AB2/1MnS2/2/rpa-pol-y.png
Properties
Interband polarizability (x) [Å] 27.854
Interband polarizability (y) [Å] 27.854
Interband polarizability (z) [Å] 0.382
Plasma frequency (x) [eV Å0.5] 4.747
Plasma frequency (y) [eV Å0.5] 4.747

Miscellaneous details
Unique ID 1MnS2-2
Number of atoms 3
Number of species 2
Formula MnS2
Reduced formula MnS2
Stoichiometry AB2
Unit cell area [Å2] 8.275
Original file-system folder /home/niflheim2/cmr/C2DB-ASR/tree/AB2/MnS2/MnS2-97234046352a
Old uid MnS2-97234046352a
Space group (bulk in AA-stacking) P-6m2
Space group number (bulk in AA-stacking) 187
Point group -6m2
Inversion symmetry No
Layer group number 78
Layer group p-6m2
2D Bravais type Hexagonal (hp)
Thickness [Å] 2.846
Structure origin original03-18
Band gap (PBE) [eV] 0.000
Direct band gap (PBE) [eV] 0.000
gap_dir_nosoc 0.000
Vacuum level [eV] 4.126
Miscellaneous details
Fermi level wrt. vacuum (PBE) [eV] -5.242
minhessianeig -2.471
Dynamically stable No
Interband polarizability (x) [Å] 27.854
Interband polarizability (y) [Å] 27.854
Interband polarizability (z) [Å] 0.382
Plasma frequency (x) [eV Å0.5] 4.747
Plasma frequency (y) [eV Å0.5] 4.747
Energy [eV] -19.227
Magnetic Yes
Total magnetic moment [μB] 1.000
Spin axis z
Magnetic anisotropy energy, xz [meV/unit cell] -0.415
Magnetic anisotropy energy, yz [meV/unit cell] -0.415
Nearest neighbor exchange coupling [meV] -2.565
Anisotropic exchange (out-of-plane) [meV] 0.745
Single-ion anisotropy (out-of-plane) [meV] 0.000
Maximum value of Sz at magnetic sites 0.500
Number of nearest neighbors 6
Energy above convex hull [eV/atom] 0.115
Heat of formation [eV/atom] -0.451
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