The delocalization also accounts for the energetic stability of graphite over diamond at room temperature.At very high pressures carbon forms the more compact allotrope diamond, having nearly twice the density of graphite.. 
Ní ọdún 1910, Lord Ray00 ṣe àwárí pé ìtújáde ìtànná kan nínú Gaaṣi nitrogen tí ó ṣe "nitroji tí ńṣiṣẹ́ lọ́wọ́", allotro tí a rò pé ó jẹ́ mọ̀nàtómi·c.. 