Research Article

Electronic Structure, Spectroscopic (IR, Raman, UV-Vis, NMR), Optoelectronic, and NLO Properties Investigations of Rubescin E (C31H36O7) Molecule in Gas Phase and Chloroform Solution Using Ab Initio and DFT Methods

Table 5

Electric dipole moment, polarizability, anisotropy of polarization, first-order hyperpolarizability, and molar refractivity of Rubescin E at the RHF, B3LYP, and B3PW91 levels with the 6-311G (d, p) and 6-311++G (d, p) basis sets.

RHFB3LYPB3PW91
Gas ChloroformGasChloroformGasChloroform

(D)5.39667.09535.20746.76545.11766.6663

352.266421.425387.992470.193384.258465.488
17.329924.234119.643629.699519.354429.0512
336.148424.889374.795479.493371.091475.445
1.506120.6773310.715703-0.4117790.795242-0.371934
3.39268-1.231424.449030.03062164.532440.450373
278.550371.379305.049415.461301.619411.131

(10−24 esu)47.703660.072952.679967.347352.143866.7018

Δα (10−24 esu)10.92409.881412.538711.689012.472311.5857

58.5850116.32477.8905117.68782.0568124.840
-34.3404-40.3762-33.9536-66.5203-29.0441-60.4155
22.599315.4126-29.6091-106.843-36.6541-122.127
92.3349129.00427.6922-58.583426.8972-63.6805
-16.3605-23.5326-55.0267-81.7313-58.0975-89.6785
-8.72859-0.242861-11.941410.3722-12.87646.24556
-38.9332-65.6523-107.633-207.304-108.216-214.866
-14.4537-58.3711-7.34826-70.3072-7.94692-69.1599
-50.8004-109.450-77.7921-196.200-71.2685-182.588
-6.3853223.9632-16.7476-0.675756-9.681675.78764

β (10−33 esu)787.4783866.91541747.71673772.62701678.88153743.0498