Abstract
The intermolecular charge transfer ( CT ) complex of two cryptands , viz , K221 and K222 (as donors ) and tow acceptors, viz , tetracyanoethylene (TCNE) and 2-hydroxy-1,4-napthoquinon were studied ion Uv-visible region in dichloromethane (DCM)as solvent at 298.2k .It was found that the basicity of cryptand played an important role in the formation constant Kc value obtained . The nature of CT complexes formed were achieved by calculation of oscillator strength .
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