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Table 1 Assignment of FTIR absorption bands of Z-CFX, CFX and LZH

From: Release behavior and toxicity profiles towards A549 cell lines of ciprofloxacin from its layered zinc hydroxide intercalation compound

Assignment cm-1
LZH CFX Z-CFX
υ(OH) of lattice, υ(O–H) COOH, υ(N–H) NH 3670 – 3200 3670 – 3200
υ(COOH) 1711
δ(OH) of H2O 1639 w
υ(C = O) ketone 1624 s 1632 s
υasym(COO) 1579
υ(NO3) 1385 s 1385 sup
υsym(COO) 1385 sup
υ(C–N) 1310 m 1306 m
υ(C–C–C) ketone 1269 m 1265 m
υ(C–F) 1048 m 1036 w
  1. Abbreviations: S sharp, M medium, W weak, Sup superimposed.