Journal of Chemistry / 2013 / Article / Tab 4

Research Article

Investigation of the Orientation of C T A + Ions in the Interlayer of CTAB Pillared Montmorillonite

Table 4

Positions and assignments of the IR vibration bands observed in the range of 400โ€“4000โ€‰cmโˆ’1.

AssignmentFrequency, cmโˆ’1
Mt 0.5 CEC1.0 CEC1.5 CEC2.0 CEC

Structural OH stretching36343633.093633.143629.923624.39
Symmetric OH stretching ( ๐œˆ 1 )34443435.983435.093434.573434.74
Asymmetric OH stretching ( ๐œˆ 3 )โ€”โ€”โ€”โ€”โ€”
Asymmetric CH2 stretchingโ€”2931.172924.22919.772918.98
Symmetric CH2 stretchingโ€”2855.752851.492850.572850.29
Hโ€“Oโ€“H bending ( ๐œˆ 2 )16421640.091638.011637.211633.37
CH2 scissoring1478 14761474.031473.071472.98
14421440.091438.011437.211433.37
Siโ€“O stretching1018.431000.38103610291022
11011088914.73918914.73
CH2 rocking797.47797.16797.16798.08797.17
779.18779.43778.43779.81778.80

We are committed to sharing findings related to COVID-19 as quickly as possible. We will be providing unlimited waivers of publication charges for accepted research articles as well as case reports and case series related to COVID-19. Review articles are excluded from this waiver policy. Sign up here as a reviewer to help fast-track new submissions.