Research Article
Axially Ligated Zirconium(IV) Tetraphenylporphyrin: Synthesis, Characterization, and Biological Activity
Table 3
Main vibrational frequencies of axially ligated Zr(IV) porphyrin complexes.
| | Porphyrin | (N–H)
(cm−1) | (C=C)
(cm−1) | (Zr–N)
(cm−1) | (Zr–O) phenolate
(cm−1) | (CH3)
(cm−1) | (OCH3)
(cm−1) | (NH2)
(cm−1) | (NO2)
(cm−1) | (C–Cl)
(cm−1) | (Zr–O) acac
(cm−1) | (C=O) acac
(cm−1) |
| | Zr(TPP)(acac)(Oph) | — | 1590 | 473 | 664 | 2907 | — | — | — | — | 703
803 | 1622 |
| |
Zr(TPP)(acac)(p-NH2phO) | — | 1592 | 460 | 655 | 2891 | — | (NH2)sym = 3292
(NH2)asym = 3366 | — | — | 712
804 | 1623 |
| | Zr(TPP)(acac)(p-OCH3phO) | — | 1590 | 481 | 653 | 2894 | (C–H) = 2817
(COC)sym = 1025
(COC)asym = 1261 | — | — | — | 702
802 | 1631 |
| | Zr(TPP)(acac)(p-CH3phO) | — | 1584 | 468 | 651 | 2895 | — | — | — | — | 702
803 | 1630 |
| | Zr(TPP)(acac)(p-ClphO) | — | 1591 | 475 | 666 | 2906 | — | — | — | 783 | 704
813 | 1634 |
| | Zr(TPP)(acac)(p-NO2phO) | — | 1592 | 484 | 667 | 2909 | — | — | 1342
1543 | — | 713
810 | 1636 |
| | Zr(TPP)(acac)(o,p-Cl2phO) | — | 1595 | 480 | 669 | 2907 | — | — | — | 788 | 716
804 | 1625 |
| | Zr(TPP)(acac)(o,p-(NO2)2phO) | — | 1596 | 478 | 668 | 2905 | — | — | — | 789 | 705
804 | 1639 |
| | Zr(TPP)(acac)(-naphtholate) | — | 1589 | 473 | 659 | 2897 | — | — | — | — | 709
806 | 1632 |
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