Research Article

Concomitant Effects of Transition Metal Chelation and Solvent Polarity on the First Molecular Hyperpolarizability of 4-Methoxyacetophenone Thiosemicarbazone: A DFT Study

Table 6

Natural transition orbitals (NTOs) compositions for the thione tautomer of MAPTSC and its complexesin gas-phase and DMSO, calculated at the TD-DFT/CAM-B3LYP/6-31++G(d,p)/(SDD for metal ions) level of theory.

MoleculeNTOsOrbital compositions of fragments (%)Main distribution of NTOs on molecular systems
2

Gas-phase
L1Hole36.49663.504MAP + TSC
Particle13.85686.144TSC
Ni(L1)Cl2Hole4.53750.72443.3881.351MAP + TSC
Particle46.0922.6279.70041.581Ni(II) ion + 2
Pd(L1)Cl2Hole3.95849.69545.1081.239MAP + TSC
Particle32.7324.9016.19556.172Pd(II) ion + 2
Pt(L1)Cl2Hole5.51743.59649.3851.501MAP + TSC
Particle56.5165.8907.93329.661Pt(II) ion + 2
Cu(L1)Cl2Hole59.0343.91511.89025.160Cu(II) ion + 2
Particle8.0563.21466.05022.679TSC + 2
Zn(L1)Cl2Hole1.87345.35851.6491.119MAP + TSC
Particle1.73134.90557.9515.413MAP + TSC
DMSO
L1Hole41.67758.323MAP + TSC
Particle29.81870.182MAP + TSC
Ni(L1)Cl2Hole19.89637.68636.4865.932Ni(II) ion + MAP + TSC
Particle6.18940.68135.61017.520MAP + TSC + 2
Pd(L1)Cl2Hole34.36525.95824.69314.984Pd(II) ion + MAP + TSC + 2
Particle1.80661.07623.10014.018MAP + TSC + 2
Pt(L1)Cl2Hole5.06560.27133.5561.108MAP + TSC
Particle30.29152.43712.0995.173Pt(II) ion + MAP
Cu(L1)Cl2Hole61.9522.01617.87118.162Cu(II) ion + TSC + 2
Particle9.27522.64520.97347.107MAP + TSC + 2
Zn(L1)Cl2Hole1.93261.44935.6730.945MAP + TSC
Particle0.71470.61527.7910.880MAP + TSC

(II) represents the transition metal ions.
is the 4-methoxyacetophenone moiety.
is the thiosemicarbazones moiety.