ABSTRACT
Table 2 . 1 : Characterist ics of the principal types of chemical honds between carbon atoms i n a sol id a t n ormal temperature and pressure (NTP) .
C-C 5;3-5p3 4 1 . 54 1 5 C:.:.C aro-aro 3 1 .40 25 C=C 5;-5; 3 1 . 3326 .5 C=C 5p1-Spl 2 1 .2 1 3 5
( b )
z = 3 graphite hexagonal 2 .26 280 0
d = 1 .42 1 Bcr-4 tetragonal 2 . 96 360 + 1 . 1
d = 1 .44 H-6 hexagonal 3 . 1 6 370 + 1 .7
