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Table 2

Positions and assignments of infrared bands growing during the VUV-irradiation of C2N2 in different matrices.

Matrix Wavenumbers (cm-1) Assignment

C2N2/Ar 2295.3 CNCN
2054.4 CNCN
2050.8 CN radical
1997.3 CNNC

C2N2/H2 3622.2/3610.4 HNC
3306.6 HCN monomer + dimer
3297.3/3217.9 HCN polymer
3192.9/3189.9
3157.6/3151.5
3209.1 HCN dimer
2299.4 CNCN
2112.4 HCN dimer
2109.4 /2106.6 HCN polymer
2094.3/2091.6 HCN dimer
2079.1 HCN
2059.1 CNCN
2050.8 CN radical
2028.6 HNC
1337.5 H2CN radical
809.3 HCN polymer
798.2/791.9 HCN dimer
733.9/732.4
723.5 HCN

C2N2/D2 2766.4 DNC
2624.3 DCN
2579.8/2576.2 DCN dimer
2566.7/2556.2 DCN polymer
2299.7 CNCN
2058.6 CNCN
1938.6 DNC
1931.9 DCN
1902.3/1900.0 DCN dimer
1893.9 DCN polymer
1178.2 DCN
587.1 DCN polymer
579.0 DCN

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