Table 3.
[VO(dipic)(H2O)2]·2 H2O | [VO(dipic)(phen)]·3 H2O | [VO(dipic)(bipy)]·H2O | |
---|---|---|---|
V=O stretching frequency | 983 cm−1 | 980 cm−1 | 977 cm−1 |
v(COO) of dipic [18] | 1352 cm−1 | 1319 cm−1 | 1335 cm−1 |
1665 cm−1 | 1666 cm−1 | 1649 cm−1 | |
v(OH) [18] | 3571 cm−1 | 3427 cm−1 | 3536 cm−1 |
stretching vibration of the V-N | 452 cm−1 | 416 cm−1 | 442 cm−1 |