TIl(' i nfrar ed 'l b ~orptio n spcctrum of gaseous t rimeth y lbol'U ne, B (C I-I3h, ha:; been obser ved in th e 2-to 40-micron :;pcct ral r egion.Vibrat ional assignments ha vc b ec n m ad e fo r infrarcd ba nds, as well as for t he Haman lincs r eported by other invcs tiga to rs.Th c perfect gas cnt rop y was calculated for a temperature of 199.92°K a nd co mpa red wi th tl1 C exp erinwntal value.Barriers to internal r otatio n of methyl groups of abo u t 750 o r l ,6,l0 ca lor ies p c r mole a re calcul a ted for s truc t urcs wi t h or wi t ho ut a t hreefold a xis of sy mm etry.
No takes yet. Share an insight, caveat, or question.
James E. Stewart (1956) studied this question.