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. 2021 Sep 13;22(18):9886. doi: 10.3390/ijms22189886

Table 3.

IR data of [VO(dipic)(H2O)2]·2 H2O, [VO(dipic)(phen)]·3 H2O, [VO(dipic)(bipy)]·H2O.

[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