Structure info
Layer group p4/mmm
Layer group number 61
Structure origin Lyngby22_LDP
Stability
Energy above convex hull [eV/atom] 0.121
Heat of formation [eV/atom] -0.368
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 3.556 0.000 0.000 Yes
2 -0.000 3.553 0.000 Yes
3 0.000 0.000 17.758 No
Lengths [Å] 3.556 3.553 17.758
Angles [°] 90.000 90.000 90.000

Symmetries
2D Bravais type Square (tp)
Layer group number 61
Layer group p4/mmm
Space group number (bulk in AA-stacking) 123
Space group (bulk in AA-stacking) P4/mmm
Point group 4/mmm
Inversion symmetry Yes
Structure data
Formula Mn2S2
Stoichiometry AB
Number of atoms 4
Unit cell area [Å2] 12.634
Thickness [Å] 3.019

Mn2S2 (2MnS-3)
Heat of formation [eV/atom] -0.37
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/AB/2MnS/3/phonon_bs.png
Minimum eigenvalue of Hessian [eV/Ų] -0.42

Cij (N/m) xx yy xy
xx 87.34 34.86 0.00
yy 35.06 87.29 0.00
xy 0.00 0.00 101.49
Stiffness tensor eigenvalues
Eigenvalue 0 52.35 N/m
Eigenvalue 1 101.49 N/m
Eigenvalue 2 122.27 N/m

Total magnetic moment [μB] 4.665
Magnetic anisotropy energy, xz [meV/unit cell] -0.699
Magnetic anisotropy energy, yz [meV/unit cell] -0.695
Atom index Atom type Local spin magnetic moment (μB) Local orbital magnetic moment (μB)
0 Mn 2.333 0.025
1 S -0.055 0.000
2 Mn 2.336 0.025
3 S -0.055 0.000

Key values [eV]
Band gap (PBE) 0.000
Direct band gap (PBE) 0.000
Fermi level wrt. vacuum (PBE) -5.030
DOS BZ

Atom No. Chemical symbol Charges [|e|]
0 Mn 0.68
1 S -0.70
2 Mn 0.72
3 S -0.70

Miscellaneous details
Unique ID 2MnS-3
Number of atoms 4
Number of species 2
Formula Mn2S2
Reduced formula MnS
Stoichiometry AB
Unit cell area [Å2] 12.634
Original file-system folder /home/niflheim2/cmr/C2DB-ASR/tree_LDP/AB/MnS/Mn2S2-c29fc9c87b5b
Old uid Mn2S2-ba647a6ddb68
Space group (bulk in AA-stacking) P4/mmm
Space group number (bulk in AA-stacking) 123
Point group 4/mmm
Inversion symmetry Yes
Layer group number 61
Layer group p4/mmm
2D Bravais type Square (tp)
Thickness [Å] 3.019
Miscellaneous details
Structure origin Lyngby22_LDP
Band gap (PBE) [eV] 0.000
Direct band gap (PBE) [eV] 0.000
gap_dir_nosoc 0.000
Vacuum level [eV] 3.491
Fermi level wrt. vacuum (PBE) [eV] -5.030
minhessianeig -0.418
Dynamically stable No
Energy [eV] -29.061
Magnetic Yes
Total magnetic moment [μB] 4.665
Spin axis z
Magnetic anisotropy energy, xz [meV/unit cell] -0.699
Magnetic anisotropy energy, yz [meV/unit cell] -0.695
Energy above convex hull [eV/atom] 0.121
Heat of formation [eV/atom] -0.368
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