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. Author manuscript; available in PMC: 2009 Sep 2.
Published in final edited form as: Langmuir. 2008 Aug 2;24(17):9198–9203. doi: 10.1021/la800991t

Table 2.

peak frequencies (cm− 1)
protected aldehyde
 aldehyde
assignmentsa neat surface neat surface
ν (H2C=)s 3078 - 3078 -
ν (CH2)a 2924 2931 2925 2931
ν (CH2)s 2854 2856 2854 2856
ν (CHO)s - - 2715 -
ν (C=O) - - 1725 1719
ν (C=C) 1640 - 1640 -
β (CH2) 1464 1462 1463 1460
ν (1,3-dioxolane ring) 1125 1128 - -
1035 1018 - -
942 - - -
a

ν =,stretching, β,= bending, a = asymmetric, s=symmetric.