atively ▁charged ▁nit ro gen ▁atoms ▁in ▁each ▁plane ▁lie ▁adjacent ▁to ▁the ▁oppos it ely ▁charged ▁atom ▁in ▁the ▁next ▁plane . ▁Con sequently , ▁graph ite ▁and ▁h - B N ▁have ▁very ▁different ▁properties , ▁although ▁both ▁are ▁lub ric ants , ▁as ▁these ▁plan es ▁s lip ▁past ▁each ▁other ▁easily . ▁However , ▁h - B N ▁is ▁a ▁relatively ▁poor ▁elect rical ▁and ▁thermal ▁conduct or ▁in ▁the ▁plan ar ▁directions . ▁ ▁Organ ob or on ▁chem istry ▁ ▁A ▁large ▁number ▁of ▁organ ob or on ▁comp ounds ▁are ▁known ▁and ▁many ▁are ▁useful ▁in ▁organ ic ▁synth esis . ▁Many ▁are ▁produced ▁from ▁hydro bor ation , ▁which ▁emp lo ys ▁di bor ane , ▁B 2 H 6 , ▁a ▁simple ▁bor ane ▁chemical . ▁Organ ob or on ( III ) ▁comp ounds ▁are ▁usually ▁t etra hed ral ▁or ▁trig onal ▁plan ar , ▁for ▁example , ▁t et raph en yl bor ate , ▁[ B ( C 6 H 5 ) 4 ] − ▁vs . ▁tri phen yl bor ane , ▁B ( C 6 H 5 ) 3 . ▁However , ▁multiple ▁bor on ▁atoms ▁react ing ▁with ▁each ▁other ▁have ▁a ▁t endency ▁to ▁form ▁novel ▁d ode c ah ed ral ▁( 1 2 - s ided ) ▁and ▁ icos ah ed ral ▁( 2 0 - s ided ) ▁structures ▁composed ▁completely ▁of ▁bor on ▁atoms , ▁or ▁with ▁varying ▁numbers ▁of ▁carbon