Abstract
The ‘2-ethylimidazolium d-tartrate (2EIMDT)’ C9H14N2O6 is synthesized and confirmed by experimental NMR, FTIR methods and powder XRD analysis. The HRXRD study reveals that the grown 2EIMDT is an ideally perfect single crystal without having any internal structural grain boundaries. It has good optical transmittance in the wavelength region of 250–1100 nm. The thermal stability of the crystal is ascertained up to 150 °C and the second harmonic generation activity of the crystal was studied by Kurtz-Perry powder technique. Etching analysis reveals the growth pattern and dislocation density of the crystal. A detailed analysis of the intermolecular interactions via Hirshfeld surface analysis and fingerprint plots revealed that the 2EIMDT structure is stabilized mainly by formation of O…H/H…O and H…H hydrogen bonds. The quantum-chemical computations were made to find the molecular properties. The HOMO-LUMO, molecular electrostatic potential, natural bond orbital, nonlinear optical behaviour of the 2EIMDT were studied with the same basis set in the gas phase, theoretically.
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