Table 1. Average Bond Distances from the Structure Shown in Figure 3c after Relaxation Compared to Corresponding Bond Distances in Bulk Cobalt Sulfides and Thiols on Au(111)a.
structure | dAu–S (Å) | dCo–S(bottom) (Å) | dCo–S(top) (Å) | dCo–Co (Å) |
---|---|---|---|---|
CoS(0001)-like sheet/Au(111) T | 2.57 | 2.24 | 2.25 | 3.43 |
bulk Co3S425,27 E | – | 2.27 | 2.27 | 3.33 |
bulk CoS26 E | – | 2.33 | 2.33 | 3.37 |
thiols28,29 T | 2.63 (0.18) | – | – | – |
Theoretically and experimentally obtained values are indicated with T and E, respectively.