9.1 The ionic radii ratio and the coordination polyhedra of ions 9.2 The crystal structures of Some typical ionic compounds 9.3 Lattice energy 9.4 Ionic radii 9.5 The Pauling rule of ionic crystal structure 9.6 Structural chemistry of silicates 9.7 Crystals of Functional Materials

8.1 The metallic bond and the general properties of metals 8.2 Close packing of spheres and the structure of pure metals 8.3 The structures and properties of alloys

7.1 periodicity and lattices of crystal structure 7.2 Symmetry in crystal structures 7.3 X-ray diffraction of crystals

6.1 Electron-deficient multi-center bonds 6.2 Chemical bonds in the coordination compounds 6.3 Prediction of structural features of inorganic iono-covalent compounds with tetrahedral anion complexes 6.4 Transition-metal cluster compounds 6.5 Carbon clusters and nanotubes 6.6 Hydrogen Bonding

§5.1 Theory of hybrid orbital and atomic orbital hybridization §5.2 Valence Shell Electron-Pair Repulsion (VSEPR) Model §5.3 Hückel molecular orbital theory and conjugated system §5.4 Delocalized molecular orbital theory §5 The symmetry of molecular orbital and symmetry rules for molecular reactions

§1 Treatment of variation method for the H2+ ion §2 Molecular orbital theory and diatomic molecules §3 Valence bond(VB) theory for the hydrogen molecule and the comparison VB theory with Molecular Orbital theory(MO)

§1 Symmetry elements and symmetry operations §2 Groups and group multiplications §3 Point Groups, the symmetry classification of molecules §4 Application of symmetry

2.1 The Schrödinger equation and its solution for one-electron atoms 2.2 The physical significance of quantum number 2.3 The wave-function and electron cloud 2.4 The structure of many￾electron atoms (multi-electron atoms) 2.5 Atomic spectra and spectral term

1.1 The failures of classical physics 1.2 The characteristic of the motion of microscopic particles 1.3 The basic assumptions (postulates) of quantum mechanics 1.4 Solution of free particle in a box – a simple application of Quantum Mechanics

Chemcal Reviews：Classical Valence Bond Approach by Modern Methods