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
Siโ€“O stretching1018.431000.38103610291022
CH2 rocking797.47797.16797.16798.08797.17

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