Crystal structure, thermal and spectral studies and growth of nonlinear optical L-lysinium fluoride crystal

•The structural, spectroscopic, optical and thermal properties of L-Lys⋅HF were studied.•High quality L-Lys⋅HF single crystals were grown from aqueous solution.•L-Lys⋅HF crystals are enough thermostable.

In current study properties of L-lysinium fluoride (L-Lys⋅HF) are determined by X-ray diffraction, infrared and Raman spectroscopy, SHG and by UV–vis transmittance spectrum measurement. L-Lys⋅HF (C6H15FN2O2), crystallizes in a monoclinic system with space group P21, a = 5.464(1) Å, b = 7.4717(15) Å, c = 10.252(2) Å, α = γ = 90°, β = 99.17(3)°, Z = 2, ρc = 1.336 Mg/m3, ρm = 1.335(2) Mg/m3. By means of evaporation method high quality L-Lys⋅HF single crystals are grown from aqueous solutions. L-Lys⋅HF crystal is transparent in the wavelength region 240–1100 nm and it exhibits powder SHG efficiency 0.65 times that of potassium dihydrogen phosphate (KDP).

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