@Article{, title={Quantum Mechanical study for vibration Frequencies C- C bonds for Benzo [J] Fluoranthene molecule، positive and negative radical Ions.}, author={Huda N. AL-Ani هدى نجمان العاني}, journal={Basic Education College Magazine For Educational and Humanities Sciences مجلة كلية التربية الأساسية للعلوم التربوية والإنسانية}, volume={}, number={Special}, pages={5-23}, year={2012}, abstract={to their carcinogenic properties and their presence in interstellar spaces. They could become potential starting materials for petrochemical industries, being a significant component of the heavy fractions of earth oils. For these reasons considerable efforts were made to study their chemical and physical properties

} }