Table 1 Infrared vibrational assignments

From: Controlling the shape of LiCoPO4 nanocrystals by supercritical fluid process for enhanced energy storage properties

Vibrational modes

 

LiCoPO4

hexamethylenediamine

Frequency (cm−1)

 

νas(NH2), νs(NH2)

3,390; 3,345

 

νas(C–H), νs(C–H)

2,934; 2,859

 

δ(NH2)

1,569; 798

 

δ(CH2)

1,484

triplet νas(PO4)

 

1,085–1,144

 

δ(C–N)

1,071

singlet νs(PO4)

 

971

 

δ(C–C)

722

triplet δas(PO4)

 

641

doublet δs(PO4)

 

468

  1. νas = asymmetric stretching vibration; νs = symmetric stretching vibration; δ = bending vibration.
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