Table 5 IR results for the ethylene oligomer obtained using [Cr(dipic)(H2O)3]Cl ∙ 2 H2O as a catalyst.

From: New chromium(III)-based catalysts for ethylene oligomerization

The wavenumber (cm−1)

The vibrations

2950.06

Strong asymmetric CH2 stretching vibrations in the oligomer chain

2850.03

Strong asymmetric CH2 stretching vibrations in the oligomer chain

1496.29

Strong CH2 deformations in the oligomer chain

1469.54

Weak symmetric terminal CH3 deformation in the oligomer chain

696.19

CH2 rocking vibrations in the oligomer chain

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