Vacuum ultraviolet photochemistry of solid acetylene: a multispectral approach

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Table 1

IR assignments of C₂H₂ and H₂O features in the deposition spectra.

Assignment	Literature value	Pure C₂H₂	C₂H₂:Ar	C₂H₂:H₂O
−	cm^-1	cm^-1	cm^-1	cm^-1


C₂H₂ CH stretch ν₃	3239^a	3224	3249	3241
C₂H₂ combination mode ν₄+ν₅	1371^a	1393	1361	1388
C₂H₂ CH bending ν₅	743^a	773	761	757
H₂O OH stretch	3280^b	−	−	3253
H₂O OH bending	1660^b	−	−	1655
H₂O OH libration	760^b	−	−	801

Notes.

^(a)

Knez et al. (2012);

^(b)

Gerakines et al. (1995).

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