Table 3 Measured band positions of Ca3(CH3COO)3Cl(NO3)2·6H2O from FTIR spectra (Fig. 4b), band assignment according to ref. 25
Band no. | Band position/cm−1, shape of Hanbingtianxia | Band position/cm−1, shape of Changlewuji | Band position/cm−1, shape25 | Assignment |
|---|---|---|---|---|
1 | 3510 br | 3504 | 3518 br | ν(O-H) [hydrate water] |
2 | 3342 br | 3354 br | 3368 br | |
3 | 1638 m | 1639 m | 1637 m | δ(O-H) [hydrate water]/νas(C=O) [acetate] |
4 | 1550 s | 1547 s | 1531 s | νs(C=O) [acetate] |
5 | 1468 s | 1471 s | 1466 s | |
6 | 1404 m | 1404 m | 1404 m | |
7 | 1353 s | 1350 s | 1354 s | δ(C-H) [acetate]/νas(NO) [nitrate] |
8 | 1048 w | 1046 w | 1047 w | ρ(C-H) [acetate]/νs(NO) [nitrate] |
9 | 1018 w | 1017 w | 1018 w | |
10 | 960 w | 961 w | 960 w | ν(C-C) [acetate] |
11 | 821 m | 821 m | 820 m | τ(NO) [nitrate] |
12 | 667 m | 671 m | 669 m | δ(O-C-O) [acetate]/δ(NO) [nitrate] |
13 | 611 w | 617 w |
