Thermodynamic verses kinetic stability discussion

http://www.eng.utah.edu/~lzang/images/lecture-1.pdf

Lecture notes on cages clustures and ring compounds chemistry

http://131.104.156.23/Lectures/CHEM_462/462_chapter_1.html

Structure determination using spectroscopic methods

http://www.chem.wisc.edu/areas/reich/chem605/

General interpretation of hydrogen NMR spectrum

http://www.oneonta.edu/faculty/knauerbr/221lects/nmr.pdf

A manual for the general interpretation of infra red spectrum

http://infrared.als.lbl.gov/BLManual/IR_Interpretation.pdf

Notes on MOEL diagrams of octahedral,tetrahedral and square planer complexes involving sigma and pi bonding

http://www.alchemyst.co.uk/alchemystry/pdf/Inorganic/mo_theory_and_bonding.pdf

MOEL diagram for a square planer complex

http://www.huntresearchgroup.org.uk/teaching/teaching_MOs_year2/L7_Tut_square_planar.pdf