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Table 1

C2N2 IR bands in different matrices deposited at low temperature.

Ar matrix H2 matrix D2 matrix Ar matrix Gas phase Assignment
10 K (cm-1) 3.8 K (cm-1) 3.8 K (cm-1) (cm-1) (cm-1)
(1) (2)

2156 2157.3 2157.6 2157 2156/2143 ν CN
738.7 741.7 739/724 combination bending mode

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