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Creators/Authors contains: "Ziegler, Christopher J"

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  1. ; ; ; ; ; (, Dalton Transactions)
    The electronic structures, charge-transfer, and triplet–multiplet transitions in cobalt(i), cobalt(ii), and cobalt(iii) phthalocyanines were investigated in detail by UV-vis-NIR, MCD, DFT, and TDDFT methods. 
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    Free, publicly-accessible full text available January 1, 2026
  2. ; ; ; ; ; (, Inorganic Chemistry)
    Free, publicly-accessible full text available December 16, 2025
  3. ; ; ; (, Journal of Porphyrins and Phthalocyanines)
    In 1956, Elvidge and coworkers investigated the synthesis of a series of isoindoline compounds derived from phthalonitrile. They produced a series of secondary amine-modified isoindolines known as the imino(dialkylamino)isoindolines, and in this report, we revisit this chemistry. In addition to confirming the previously observed reactivity, we structurally characterized three examples and observed a double bond character between the isoindoline carbon atom and the secondary nitrogen atom position. This results in a rotational barrier about this bond, which we observed by NMR spectroscopy and probed using computational methods. The barriers are comparable to those seen in bis-substituted amides. 
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  4. ; (, Dalton Transactions)
    Iron phthalocyanines play crucial fundamental and applied roles ranging from bulk colorants to components of advanced materials. In this mini-review, we discuss the influence of axial ligand identity on spectroscopic and redox properties of iron(ii) phthalocyanines. 
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  5. ; ; ; ; ; (, Inorganic Chemistry Frontiers)
    We report the template-based synthesis of a new series of ring-open phthalocyanine analogs that exhibit helical chirality. These conjugated helical porphyrinoids also strongly absorb across the entire visible spectrum. 
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  6. ; ; ; ; (, The Journal of Physical Chemistry Letters)
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  7. ; ; ; (, Journal of Porphyrins and Phthalocyanines)
    Metal-free, magnesium, titanyl, and vanadyl tetrapyrazinoporphyrazines substituted with eight 2,6-diisopropylphenoxy groups at the peripheral positions were prepared and characterized by NMR, UV-Vis, magnetic circular dichroism (MCD), and mass spectrometry methods. In addition, the Pc(2,6iPrPhO)8VO complex was characterized by EPR spectroscopy and X-ray crystallography. Reaction between TiCl4with 4,5-(2,6-diisopropylphenoxy)phthalonitrile in N,N-dimethylaminoethanol resulted in the formation of a red open-chain trimer, which was characterized by mass spectrometry and X-ray crystallography. Electronic structures of new compounds and their excited state properties were probed by Density Functional Theory (DFT) and Time-Dependent DFT (TDDFT) methods. 
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  8. ; ; ; (, ChemCatChem)
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  9. ; ; ; ; ; ; ; ; (, Inorganic Chemistry)
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  10. ; ; ; ; ; ; ; ; ; (, Inorganic Chemistry)
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