Structure info
Layer group p-4m2
Layer group number 59
Structure origin original03-18
Stability
Energy above convex hull [eV/atom] 0.310
Heat of formation [eV/atom] -0.039
Dynamically stable No
Basic properties
Magnetic No
Band gap (PBE) [eV] 0.000
XYZ CIF JSON
Axis x [Å] y [Å] z [Å] Periodic
1 3.156 0.000 0.000 Yes
2 -0.000 3.156 0.000 Yes
3 -0.000 0.000 18.917 No
Lengths [Å] 3.156 3.156 18.917
Angles [°] 90.000 90.000 90.000

Symmetries
2D Bravais type Square (tp)
Layer group number 59
Layer group p-4m2
Space group number (bulk in AA-stacking) 115
Space group (bulk in AA-stacking) P-4m2
Point group -42m
Inversion symmetry No
Structure data
Formula PdTe2
Stoichiometry AB2
Number of atoms 3
Unit cell area [Å2] 9.958
Thickness [Å] 4.397

PdTe2 (1PdTe2-3)
Heat of formation [eV/atom] -0.04
Energy above convex hull [eV/atom] 0.31
Monolayers from C2DB
PdTe2 (1PdTe2-1) -0.26 eV/atom
Pd2Te4 (2PdTe2-1) -0.26 eV/atom
Pd2Te2 (2PdTe-1) -0.25 eV/atom
Pd2Te2 (2PdTe-2) -0.24 eV/atom
Pd2Te2 (2PdTe-3) -0.17 eV/atom
Pd2Te6 (2PdTe3-1) -0.15 eV/atom
PdTe2 (1PdTe2-2) -0.12 eV/atom
Pd2Te6 (2PdTe3-2) -0.12 eV/atom
PdTe2, (1PdTe2-3) -0.04 eV/atom
Pd2Te2 (2PdTe-4) 0.04 eV/atom
Pd2Te2 (2PdTe-5) 0.05 eV/atom
Te2 (2Te-1) 0.16 eV/atom
Te2 (2Te-2) 0.29 eV/atom
Bulk crystals from OQMD123
Pd2Te2 -0.38 eV/atom
Pd6Te4 -0.36 eV/atom
PdTe2 -0.35 eV/atom
Pd20Te7 -0.31 eV/atom
Pd26Te6 -0.24 eV/atom
Pd 0.00 eV/atom
Te3 0.00 eV/atom

materials/AB2/1PdTe2/3/phonon_bs.png
Minimum eigenvalue of Hessian [eV/Ų] -1.36

Cij (N/m) xx yy xy
xx 66.60 9.29 0.00
yy 9.20 66.90 0.00
xy 0.00 0.00 2.45
Stiffness tensor eigenvalues
Eigenvalue 0 2.45 N/m
Eigenvalue 1 57.51 N/m
Eigenvalue 2 76.00 N/m

Key values [eV]
Band gap (PBE) 0.000
Direct band gap (PBE) 0.000
Fermi level wrt. vacuum (PBE) -4.512
DOS BZ

materials/AB2/1PdTe2/3/fermi_surface.png

Atom No. Chemical symbol Charges [|e|]
0 Pd -0.13
1 Te 0.06
2 Te 0.06

materials/AB2/1PdTe2/3/rpa-pol-x.png materials/AB2/1PdTe2/3/rpa-pol-z.png
materials/AB2/1PdTe2/3/rpa-pol-y.png
Properties
Interband polarizability (x) [Å] 167.391
Interband polarizability (y) [Å] 169.853
Interband polarizability (z) [Å] 0.584
Plasma frequency (x) [eV Å0.5] 14.890
Plasma frequency (y) [eV Å0.5] 14.947

Miscellaneous details
Unique ID 1PdTe2-3
Number of atoms 3
Number of species 2
Formula PdTe2
Reduced formula PdTe2
Stoichiometry AB2
Unit cell area [Å2] 9.958
Original file-system folder /home/niflheim2/cmr/C2DB-ASR/tree/AB2/PdTe2/PdTe2-6acd0d2bda8b
Old uid PdTe2-6acd0d2bda8b
Space group (bulk in AA-stacking) P-4m2
Space group number (bulk in AA-stacking) 115
Point group -42m
Inversion symmetry No
Layer group number 59
Layer group p-4m2
2D Bravais type Square (tp)
Thickness [Å] 4.397
Structure origin original03-18
Band gap (PBE) [eV] 0.000
Miscellaneous details
Direct band gap (PBE) [eV] 0.000
gap_dir_nosoc 0.000
Vacuum level [eV] 4.762
Fermi level wrt. vacuum (PBE) [eV] -4.512
minhessianeig -1.364
Dynamically stable No
Interband polarizability (x) [Å] 167.391
Interband polarizability (y) [Å] 169.853
Interband polarizability (z) [Å] 0.584
Plasma frequency (x) [eV Å0.5] 14.890
Plasma frequency (y) [eV Å0.5] 14.947
Energy [eV] -10.348
Magnetic No
Spin axis z
Magnetic anisotropy energy, xz [meV/unit cell] 0.000
Magnetic anisotropy energy, yz [meV/unit cell] 0.000
Energy above convex hull [eV/atom] 0.310
Heat of formation [eV/atom] -0.039
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