| Structure info | |
|---|---|
| Layer group | ? |
| Layer group number | -1 |
| Structure origin | Americo23_ic |
| Stability | |
|---|---|
| Energy above convex hull [eV/atom] | 0.102 |
| Heat of formation [eV/atom] | -0.986 |
| Dynamically stable | Unknown |
| Basic properties | |
|---|---|
| Magnetic | No |
| Out-of-plane dipole [e Å/unit cell] | 0.000 |
| Band gap (PBE) [eV] | 0.000 |
| Symmetries | |
|---|---|
| Layer group number | -1 |
| Layer group | ? |
| Space group number (bulk in AA-stacking) | 12 |
| Space group (bulk in AA-stacking) | C2/m |
| Point group | 2/m |
| Inversion symmetry | Yes |
| Structure data | |
|---|---|
| Formula | Ta8S12 |
| Stoichiometry | A2B3 |
| Number of atoms | 20 |
| Unit cell area [Å2] | 28.534 |
| Thickness [Å] | 9.700 |
| Ta8S12 (4Ta2S3-2) | |
|---|---|
| Heat of formation [eV/atom] | -0.99 |
| Energy above convex hull [eV/atom] | 0.10 |
| 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 |
| Ta4S2 (2STa2-1) | -0.62 eV/atom |
| Ta2S2 (2STa-1) | -0.51 eV/atom |
| Ta2S2 (2STa-2) | -0.46 eV/atom |
| Ta2S2 (2STa-3) | -0.45 eV/atom |
| Ta2S2 (2STa-4) | -0.41 eV/atom |
| Ta2S2 (2STa-5) | -0.40 eV/atom |
| Ta2S2 (2STa-6) | -0.39 eV/atom |
| S2 (2S-1) | 0.45 eV/atom |
| S2 (2S-2) | 0.62 eV/atom |
| Cij (N/m) | xx | yy | xy |
| xx | 152.72 | -6.49 | 2.24 |
| yy | -6.57 | 152.16 | -3.80 |
| xy | 2.11 | -2.12 | 152.40 |
| Stiffness tensor eigenvalues | |
| Eigenvalue 0 | 145.89 N/m |
| Eigenvalue 1 | 150.85 N/m |
| Eigenvalue 2 | 160.54 N/m |
| Properties [eV] | |
|---|---|
| Band gap | 0.000 |
| Direct band gap | 0.000 |
| Vacuum level shift | -0.002 |
| Fermi level wrt. vacuum | -5.380 |
| Atom No. | Chemical symbol | Charges [|e|] |
|---|---|---|
| 0 | Ta | 1.59 |
| 1 | S | -1.19 |
| 2 | S | -0.89 |
| 3 | Ta | 1.59 |
| 4 | S | -0.89 |
| 5 | S | -1.19 |
| 6 | Ta | 1.59 |
| 7 | S | -1.22 |
| 8 | S | -0.88 |
| 9 | Ta | 1.59 |
| 10 | S | -0.88 |
| 11 | S | -1.22 |
| 12 | Ta | 1.60 |
| 13 | S | -1.19 |
| 14 | S | -0.89 |
| 15 | Ta | 1.60 |
| 16 | S | -0.89 |
| 17 | S | -1.19 |
| 18 | Ta | 1.49 |
| 19 | Ta | 1.49 |
| Miscellaneous details | |
|---|---|
| Unique ID | 4Ta2S3-2 |
| Number of atoms | 20 |
| Number of species | 2 |
| Formula | Ta8S12 |
| Reduced formula | Ta2S3 |
| Stoichiometry | A2B3 |
| Unit cell area [Å2] | 28.534 |
| Original file-system folder | /home/niflheim2/cmr/C2DB-ASR/tree_intercalated/A2B3/Ta2S3/Ta8S12-ee6aaa6f817e |
| Old uid | Ta8S12-c990a62f5103 |
| Space group (bulk in AA-stacking) | C2/m |
| Space group number (bulk in AA-stacking) | 12 |
| Point group | 2/m |
| Inversion symmetry | Yes |
| Layer group | ? |
| Layer group number | -1 |
| Thickness [Å] | 9.700 |
| Structure origin | Americo23_ic |
| Miscellaneous details | |
|---|---|
| Band gap [eV] | 0.000 |
| Direct band gap [eV] | 0.000 |
| gap_dir_nosoc | 0.000 |
| Vacuum level [eV] | 7.445 |
| Fermi level wrt. vacuum [eV] | -5.380 |
| Vacuum level shift [eV] | -0.002 |
| Out-of-plane dipole [e Å/unit cell] | 0.000 |
| Dynamically stable | Unknown |
| Energy [eV] | -147.199 |
| 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] | 0.102 |
| Heat of formation [eV/atom] | -0.986 |
