Structure info
Layer group ?
Layer group number -1
Structure origin Americo23_ic
Stability
Energy above convex hull [eV/atom] 0.128
Heat of formation [eV/atom] -1.050
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 -5.231 -3.020 0.000 Yes
2 -0.027 6.087 0.000 Yes
3 -0.000 0.000 24.398 No
Lengths [Å] 6.040 6.087 24.398
Angles [°] 90.000 90.000 119.738

Symmetries
Layer group number -1
Layer group ?
Space group number (bulk in AA-stacking) 8
Space group (bulk in AA-stacking) Cm
Point group m
Inversion symmetry No
Structure data
Formula Nb8S12
Stoichiometry A2B3
Number of atoms 20
Unit cell area [Å2] 31.925
Thickness [Å] 8.758

Nb8S12 (4Nb2S3-2)
Heat of formation [eV/atom] -1.05
Energy above convex hull [eV/atom] 0.13
Monolayers from C2DB
Nb7S12 (1Nb7S12-1) -1.17 eV/atom
Nb8S12 (4Nb2S3-1) -1.17 eV/atom
Nb9S12 (3Nb3S4-1) -1.13 eV/atom
Nb7S12 (1Nb7S12-2) -1.10 eV/atom
NbS2 (1NbS2-1) -1.08 eV/atom
Nb4S6 (2Nb2S3-1) -1.05 eV/atom
NbS2 (1NbS2-2) -1.05 eV/atom
Nb8S12, (4Nb2S3-2) -1.05 eV/atom
Nb4S12 (4NbS3-1) -0.82 eV/atom
Nb4S12 (4NbS3-2) -0.82 eV/atom
Nb2S6 (2NbS3-1) -0.80 eV/atom
Nb2S2 (2NbS-1) -0.77 eV/atom
Nb2S2 (2NbS-2) -0.72 eV/atom
S2Nb4 (2SNb2-1) -0.69 eV/atom
NbS2 (1NbS2-3) -0.68 eV/atom
Nb2S2 (2NbS-3) -0.64 eV/atom
Nb2S2 (2NbS-4) -0.57 eV/atom
Nb2S2 (2NbS-5) -0.49 eV/atom
Nb2S2 (2NbS-6) -0.47 eV/atom
S2 (2S-1) 0.45 eV/atom
S2 (2S-2) 0.62 eV/atom
Bulk crystals from OQMD123
Nb6S8 -1.18 eV/atom
NbS2 -1.08 eV/atom
Nb4S12 -0.81 eV/atom
Nb21S8 -0.61 eV/atom
Nb 0.00 eV/atom
S48 0.00 eV/atom

Cij (N/m) xx yy xy
xx 139.45 54.65 -4.60
yy 54.76 147.14 -3.25
xy -5.25 -2.32 82.92
Stiffness tensor eigenvalues
Eigenvalue 0 82.25 N/m
Eigenvalue 1 88.87 N/m
Eigenvalue 2 198.39 N/m

Key values [eV]
Band gap (PBE) 0.000
Direct band gap (PBE) 0.000
Fermi level wrt. vacuum (PBE) -5.625
DOS BZ

A2B3/4Nb2S3/2/fermi_surface.png

Atom No. Chemical symbol Charges [|e|]
0 Nb 1.52
1 S -1.13
2 S -0.84
3 Nb 1.53
4 S -0.84
5 S -1.17
6 Nb 1.49
7 S -1.08
8 S -0.85
9 Nb 1.51
10 S -0.84
11 S -1.16
12 Nb 1.49
13 S -1.08
14 S -0.84
15 Nb 1.51
16 S -0.84
17 S -1.17
18 Nb 1.39
19 Nb 1.39

Miscellaneous details
Unique ID 4Nb2S3-2
Number of atoms 20
Number of species 2
Formula Nb8S12
Reduced formula Nb2S3
Stoichiometry A2B3
Unit cell area [Å2] 31.925
Original file-system folder /home/niflheim2/cmr/C2DB-ASR/tree_intercalated/A2B3/Nb2S3/Nb8S12-dda60df74abf
Old uid Nb8S12-4634b24c042b
Space group (bulk in AA-stacking) Cm
Space group number (bulk in AA-stacking) 8
Point group m
Inversion symmetry No
Layer group ?
Layer group number -1
Thickness [Å] 8.758
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] 6.718
Fermi level wrt. vacuum (PBE) [eV] -5.625
Dynamically stable Unknown
Energy [eV] -152.554
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] 0.128
Heat of formation [eV/atom] -1.050
This work is licensed under a Creative Commons Attribution-Noncomercial 4.0 International License.
Creative Commons License
Powered by Bottle and CAMD-Web