Research Article
Synthesis of Novel VO(II)-Perimidine Complexes: Spectral, Computational, and Antitumor Studies
Table 2
Significant IR spectral bands (cm−1) of perimidine compounds and their VO(II) complexes.
| Compounds | νNH,νOH | δNH | υC=O | νC=N | νas(SO4) | νs(SO4) | δr(H2O), δw(H2O) | νV=O | νM-O | νM-N |
| (1) (C25H18N4O) (L1) | 3155 | 1473 | 1618 | 1518 | — | — | — | — | — | — | (2) [(VO)2 (SO4)2 (L1)]H2O | 3110, 3350 | 1470 | 1596 | 1514 | 1420 | 1142 | 765, 670 | 966 | 588 | 476 | (3) (C26H20N4O2) (L2) | 3177 | 1470 | 1597 | 1508 | —- | — | — | — | — | — | (4) [(VO)2 (SO4)2 (L2)]2H2O | 3100, 3372 | 1447 | 1592 | 1502 | 1411 | 1146 | 765, 697 | 1074 | 572 | 515 | (5) (C25H17N5O3) (L3) | 3150 | 1473 | 1620 | 1538 | — | — | — | — | — | — | (6) [(VO)2 (SO4)2 (L3)]H2O | 3105, 3382 | 1447 | 1616 | 1517 | 1411 | 1179 | 743, 697 | 966 | 600 | 508 | (7) (C25H17N4OCl) (L4) | 3160 | 1474 | 1614 | 1518 | — | — | — | — | — | — | (8) [(VO)2 (SO4)2 (L4)]H2O | 3100, 3420 | 1471 | 1624 | 1510 | 1434 | 1150 | 755, 637 | 985 | 610 | 550 | (9) (C25H17N4OCl) (L5) | 3150 | 1473 | 1620 | 1518 | — | — | — | — | — | — | (10) [(VO)2 (SO4)2 (L5)]3H2O | 3054, 3384 | 1446 | 1616 | 1512 | 1368 | 1140 | 754, 689 | 1074 | 589 | 508 |
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