Research Article

Quinoline-Based Materials: Spectroscopic Investigations as well as DFT and TD-DFT Calculations

Table 1

Selected optimized geometrical parameters (bond length (BL) in Å and bond angle (BA) and dihedral angle (DA) in degree) computed for DDP and DDPA in the gaseous state at the ground (S0) and initial excited state (S1) employing the B3LYP/6-31G (d) level of theory. For labeling, refer to Figure 1.

DesignationDDPADesignationDDP
S0S1S0S1

C2-C31.4261.440C3-C41.4261.447
C2-N381.4131.405C3-N341.4101.395
C1-C311.4221.443C13-N321.3461.352
N37-C181.4131.405N33-C191.4101.395
C11-C12-C7121.15121.19C6-C1-C2121.38121.19
C7-C2-C3118.57118.77C2-C3-C4118.89118.60
C2-N38-C1120.87120.41C3-N34-C13120.84120.12
N38-C1-C31120.30118.68N34-C13-N32123.42121.97
N38-B32-N37112.78114.04N34-B31-N33110.40112.33
C12-C7-C2-C38179.99179.99C1-C2-C3-N34179.99179.99
C31-C28-N37-C18179.99179.99C19-N33-C28-N32179.99179.99
C27-C24-C19-C20179.99179.99C29-C25-C18-C17179.99179.99
B32-N37-C18-C19179.99179.99B31-N33-C19-C18179.99179.99