Asslam O Alikum
here is some matirial of Chemistry , i hope this will be helpful for you
http://www.chem.msu.su/rus/books/patrick/part1.pdf
http://ocw.mit.edu/courses/chemistry...28_562ln08.pdf
http://www.une.edu/com/online/organi...y-Syllabus.pdf
ibrary.sciencemadness.org/library/.../atboic_xi_i_organometallics.pd.
Molecular electronic structures : an introduction - CaltechAUTHORS