Two Hydrated Ionic Cocrystals of Phenylphosphonate Exhibiting Second-Harmonic Generation and Proton Conductivity

Key Points

• This work aims to synthesize and characterize new hydrated ionic cocrystals of phenylphosphonate.
• Synthesis of two hydrated ionic cocrystals: [C(NH2)3]2(PhPO3)·2H2O and (C5H7N2)2(PhPO3)·5H2O.
• Characterization of functional capabilities related to second-harmonic generation and proton conductivity.
• Synthesis successfully yields two new cocrystals with distinct hydration states.
• Demonstrated second-harmonic generation and proton conductivity in the synthesized cocrystals.