Frequently Asked Question

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Phthalocyanine strong field or weak field

Accepted Answer

Phthalocyanine complexes typically exhibit strong-field behavior. This is due to the large number of pi electrons in the phthalocyanine ligand, which results in strong ligand field splitting and high crystal field stabilization energies (CFSE). This strong field nature leads to low-spin configurations and often diamagnetic properties for transition metal phthalocyanine complexes.


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