Structure info
Layer group p4/mbm
Layer group number 63
Structure origin original03-18
Stability
Energy above convex hull [eV/atom] 0.819
Heat of formation [eV/atom] 0.518
Dynamically stable Yes
Basic properties
Magnetic Yes
Band gap (PBE) [eV] 0.000
XYZ CIF JSON
Axis x [Å] y [Å] z [Å] Periodic
1 6.954 0.000 0.000 Yes
2 -0.000 6.953 0.000 Yes
3 0.000 0.000 16.646 No
Lengths [Å] 6.954 6.953 16.646
Angles [°] 90.000 90.000 90.000

Symmetries
2D Bravais type Square (tp)
Layer group number 63
Layer group p4/mbm
Space group number (bulk in AA-stacking) 127
Space group (bulk in AA-stacking) P4/mbm
Point group 4/mmm
Inversion symmetry Yes
Structure data
Formula Mo2Te4
Stoichiometry AB2
Number of atoms 6
Unit cell area [Å2] 48.350
Thickness [Å] 0.002

Mo2Te4 (2MoTe2-2)
Heat of formation [eV/atom] 0.52
Energy above convex hull [eV/atom] 0.82
Monolayers from C2DB
MoTe2 (1MoTe2-1) -0.30 eV/atom
Mo2Te4 (2MoTe2-1) -0.29 eV/atom
MoTe2 (1MoTe2-2) -0.13 eV/atom
Mo7Te12 (1Mo7Te12-1) -0.11 eV/atom
Mo2Te6 (2MoTe3-1) -0.05 eV/atom
Mo2Te2 (2MoTe-1) -0.03 eV/atom
Mo2Te2 (2MoTe-2) 0.07 eV/atom
Mo2Te2 (2MoTe-3) 0.09 eV/atom
Mo2Te2 (2MoTe-4) 0.09 eV/atom
Te2 (2Te-1) 0.16 eV/atom
Te2 (2Te-2) 0.29 eV/atom
MoTe2 (1MoTe2-3) 0.34 eV/atom
Mo2Te2 (2MoTe-5) 0.41 eV/atom
Mo2Te4, (2MoTe2-2) 0.52 eV/atom
Bulk crystals from OQMD123
Mo2Te4 -0.30 eV/atom
Mo6Te8 -0.29 eV/atom
Mo 0.00 eV/atom
Te3 0.00 eV/atom

materials/AB2/2MoTe2/2/phonon_bs.png
Minimum eigenvalue of Hessian [eV/Ų] -0.00

Cij (N/m) xx yy xy
xx 76.77 23.36 0.01
yy 23.42 76.89 0.01
xy 0.00 0.00 59.57
Stiffness tensor eigenvalues
Eigenvalue 0 53.44 N/m
Eigenvalue 1 59.57 N/m
Eigenvalue 2 100.22 N/m

Total magnetic moment [μB] 4.093
Magnetic anisotropy energy, xz [meV/unit cell] -3.703
Magnetic anisotropy energy, yz [meV/unit cell] -3.708
Heisenberg model
Nearest neighbor exchange coupling [meV] 38.060
Single-ion anisotropy (out-of-plane) [meV] 3.404
Anisotropic exchange (out-of-plane) [meV] 0.083
Maximum value of Sz at magnetic sites 1.000
Number of nearest neighbors 4
Atom index Atom type Local spin magnetic moment (μB) Local orbital magnetic moment (μB)
0 Mo 1.772 0.002
1 Mo 1.772 0.002
2 Te -0.098 -0.003
3 Te -0.098 -0.002
4 Te -0.098 -0.003
5 Te -0.098 -0.002

Key values [eV]
Band gap (PBE) 0.000
Direct band gap (PBE) 0.000
Fermi level wrt. vacuum (PBE) -4.594
DOS BZ

materials/AB2/2MoTe2/2/fermi_surface.png

Atom No. Chemical symbol Charges [|e|]
0 Mo 0.62
1 Mo 0.62
2 Te -0.30
3 Te -0.30
4 Te -0.32
5 Te -0.32

materials/AB2/2MoTe2/2/rpa-pol-x.png materials/AB2/2MoTe2/2/rpa-pol-z.png
materials/AB2/2MoTe2/2/rpa-pol-y.png
Properties
Interband polarizability (x) [Å] 18.927
Interband polarizability (y) [Å] 18.635
Interband polarizability (z) [Å] 0.235
Plasma frequency (x) [eV Å0.5] 2.464
Plasma frequency (y) [eV Å0.5] 2.523

Miscellaneous details
Unique ID 2MoTe2-2
Number of atoms 6
Number of species 2
Formula Mo2Te4
Reduced formula MoTe2
Stoichiometry AB2
Unit cell area [Å2] 48.350
Original file-system folder /home/niflheim2/cmr/C2DB-ASR/tree/AB2/MoTe2/Mo2Te4-d5dc8e69c7bd
Old uid Mo2Te4-d5dc8e69c7bd
Space group (bulk in AA-stacking) P4/mbm
Space group number (bulk in AA-stacking) 127
Point group 4/mmm
Inversion symmetry Yes
Layer group number 63
Layer group p4/mbm
2D Bravais type Square (tp)
Thickness [Å] 0.002
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] 2.433
Miscellaneous details
Fermi level wrt. vacuum (PBE) [eV] -4.594
minhessianeig -0.000
Dynamically stable Yes
Interband polarizability (x) [Å] 18.927
Interband polarizability (y) [Å] 18.635
Interband polarizability (z) [Å] 0.235
Plasma frequency (x) [eV Å0.5] 2.464
Plasma frequency (y) [eV Å0.5] 2.523
Energy [eV] -32.116
Magnetic Yes
Total magnetic moment [μB] 4.093
Spin axis z
Magnetic anisotropy energy, xz [meV/unit cell] -3.703
Magnetic anisotropy energy, yz [meV/unit cell] -3.708
Nearest neighbor exchange coupling [meV] 38.060
Anisotropic exchange (out-of-plane) [meV] 0.083
Single-ion anisotropy (out-of-plane) [meV] 3.404
Maximum value of Sz at magnetic sites 1.000
Number of nearest neighbors 4
Energy above convex hull [eV/atom] 0.819
Heat of formation [eV/atom] 0.518
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