Structure info
Layer group ?
Layer group number -1
Structure origin Americo23_ic
Stability
Energy above convex hull [eV/atom] 0.133
Heat of formation [eV/atom] -0.915
Dynamically stable Unknown
Basic properties
Magnetic No
Band gap (PBE) [eV] 0.000
XYZ CIF JSON
Axis x [Å] y [Å] z [Å] Periodic
1 -4.923 -2.842 0.000 Yes
2 0.000 5.685 0.000 Yes
3 0.000 0.000 24.852 No
Lengths [Å] 5.685 5.685 24.852
Angles [°] 90.000 90.000 119.999

Symmetries
Layer group number -1
Layer group ?
Space group number (bulk in AA-stacking) 164
Space group (bulk in AA-stacking) P-3m1
Point group -3m
Inversion symmetry Yes
Structure data
Formula Ta9S12
Stoichiometry A3B4
Number of atoms 21
Unit cell area [Å2] 27.988
Thickness [Å] 9.879

Ta9S12 (3Ta3S4-2)
Heat of formation [eV/atom] -0.91
Energy above convex hull [eV/atom] 0.13
Monolayers from C2DB
Ta7S12 (1Ta7S12-1) -1.13 eV/atom
Ta8S12 (4Ta2S3-1) -1.09 eV/atom
TaS2 (1TaS2-1) -1.09 eV/atom
TaS2 (1TaS2-2) -1.07 eV/atom
Ta7S12 (1Ta7S12-2) -1.05 eV/atom
Ta9S12 (3Ta3S4-1) -1.01 eV/atom
Ta4S6 (2Ta2S3-1) -1.00 eV/atom
Ta8S12 (4Ta2S3-2) -0.99 eV/atom
Ta9S12, (3Ta3S4-2) -0.91 eV/atom
Ta4S12 (4TaS3-1) -0.84 eV/atom
Ta2S6 (2TaS3-1) -0.80 eV/atom
Ta4S12 (4TaS3-2) -0.77 eV/atom
TaS2 (1TaS2-3) -0.64 eV/atom
S2Ta4 (2STa2-1) -0.62 eV/atom
S2Ta2 (2STa-1) -0.51 eV/atom
S2Ta2 (2STa-2) -0.46 eV/atom
S2Ta2 (2STa-3) -0.45 eV/atom
S2Ta2 (2STa-4) -0.41 eV/atom
S2Ta2 (2STa-5) -0.40 eV/atom
S2Ta2 (2STa-6) -0.39 eV/atom
S2 (2S-1) 0.45 eV/atom
S2 (2S-2) 0.62 eV/atom
Bulk crystals from OQMD123
S2Ta -1.09 eV/atom
S18Ta6 -0.84 eV/atom
S8Ta12 -0.81 eV/atom
S48 0.00 eV/atom
Ta 0.00 eV/atom

Cij (N/m) xx yy xy
xx 181.66 21.30 -14.72
yy 22.58 184.23 -12.55
xy 2.08 2.98 162.28
Stiffness tensor eigenvalues
Eigenvalue 0 160.55 N/m
Eigenvalue 1 164.40 N/m
Eigenvalue 2 203.22 N/m

Key values [eV]
Band gap (PBE) 0.000
Direct band gap (PBE) 0.000
Fermi level wrt. vacuum (PBE) -5.173
DOS BZ

A3B4/3Ta3S4/2/fermi_surface.png

Atom No. Chemical symbol Charges [|e|]
0 Ta 1.54
1 S -1.36
2 S -0.87
3 Ta 1.54
4 S -0.87
5 S -1.36
6 Ta 1.53
7 S -1.36
8 S -0.87
9 Ta 1.53
10 S -0.87
11 S -1.36
12 Ta 1.54
13 S -1.36
14 S -0.87
15 Ta 1.54
16 S -0.87
17 S -1.36
18 Ta 1.39
19 Ta 1.38
20 Ta 1.39

Miscellaneous details
Unique ID 3Ta3S4-2
Number of atoms 21
Number of species 2
Formula Ta9S12
Reduced formula Ta3S4
Stoichiometry A3B4
Unit cell area [Å2] 27.988
Original file-system folder /home/niflheim2/cmr/C2DB-ASR/tree_intercalated/A3B4/Ta3S4/Ta9S12-33fc337c17dd
Old uid Ta9S12-d6ea4aea7224
Space group (bulk in AA-stacking) P-3m1
Space group number (bulk in AA-stacking) 164
Point group -3m
Inversion symmetry Yes
Layer group ?
Layer group number -1
Thickness [Å] 9.879
Miscellaneous details
Structure origin Americo23_ic
Band gap (PBE) [eV] 0.000
Direct band gap (PBE) [eV] 0.000
gap_dir_nosoc 0.000
Vacuum level [eV] 8.125
Fermi level wrt. vacuum (PBE) [eV] -5.173
Dynamically stable Unknown
Energy [eV] -156.499
Magnetic No
Total magnetic moment [μB] 0.000
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] 0.133
Heat of formation [eV/atom] -0.915
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