Table 1 Comparison of calculated and experimental relevant parameters
From: Different interface orientations of pentacene and PTCDA induce different degrees of disorder
Bonds in pentacene | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
C1-C2 | C2-C3 | C3-C4 | C4-C5 | C5-C6 | C6-C7 | C4-C21 | C6-C19 | C-H | ||
Ab initio | 1.43 | 1.38 | 1.44 | 1.4 | 1.42 | 1.43 | 1.46 | 1.46 | 1.1 | |
Exp | 1.441 | 1.358 | 1.428 | 1.381 | 1.409 | 1.396 | 1.453 | 1.464 | na | |
MD | 1.397 | 1.394 | 1.395 | 1.399 | 1.395 | 1.395 | 1.403 | 1.403 | 1.088 | |
Angles in pentacene | ||||||||||
C-C-C | C-C-C | C-C-C | C-C-C | C-C-C | C-C-C | C-C-C | C-C-C | C-C-C | C-C-C | |
Exp | 121 | 123 | 124 | 124 | 123 | 119 | 119 | 118 | 118 | 118 |
MD | 120.2 | 120.1 | 120.1 | 120.3 | 120.2 | 119.8 | 119.8 | 119.9 | 119.8 | 119.8 |