What is the molecular formula for this compound?

Discuss peak assignments, degree of unsaturation, IR spectrum, both C and H NMR spectra

What peaks would you expect for the compound? Do you see all of them?

Compoend 55 is a hiph-boilhag liquid (boiling point 229+C) that doss net riact with t2 at aquevas bane bo give a yellow pescipitate of C.II (a negative jodefoem icsi). The Mass, IR, and HII NMR spoctm, along with "C NMR. data, are sven belons. Analysis: C,kl,04;11,k,16;0,10se Spectral Datat vinglet, 197.6ppm; singlet, 137.4 ppm; domble, 1329ppas, dodble, 128.6ppx; dauble, 12k.4 ppas; triples, 489rpm; triples, 19.8 ppor; querict, 13.5 ppen