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Indian Institute of Science Education and Research Bhopal


CHM 401: Non-transition Metal Chemistry (4)

Prerequisites (Desirable): CHM 102, CHM 301

Learning Objectives:

Basic understanding of the bonding concepts and principles in non-transition metal chemistry, which would be extended to explain the diverse reactivity of main group elements ranging from pure inorganic rings, clusters, polymers to well-defined organometallic compounds, and macromolecules.

Course Contents:

Concepts and principles of nontransition metal chemistry:An overview of bonding models in inorganic chemistry, Application of molecular orbital theory to polyatomic molecules (localized and delocalized orbitals), Walsh diagrams, Fluxional molecules, Atomic inversion, Berry pseudorotation.

The role of p- and d- orbital participation in nonmetals, Periodicity, periodic anomalies of the nonmetals, multiple bonding in heavier main group elements, charge transfer complexes.

Representative chemistry of  s- and p-blocks: alkali metals, boranes, carboranes, boron clusters, Wade’s rules, metallacarboranes, boron nitride, borylene, aminoboranes, organoaluminium compounds, graphite, diamond, fullerene, grapheme, CNT, organosilicon compounds, silicates and aluminosilicates, zeolites, silylenes and R3Si+, Polysilanes, stability and activation of dinitrogen, phosphorus oxides, oxyacids, phosphines, anion chemistry of N, P, As and Sb, singlet and triplet oxygen, oxygen activation, chemistry of chalcogens, polychalcogenides, sulfur-nitrogen compounds, halogens, pseudohalogens, interhalogens, noble gases, CFC

Inorganic rings and polymers: Borazines, heterocyclophosphazenes, siloxanes, stannoxanes and the polymers derived from them.

Chemistry of carbenes, push-pull carbenes, stable heavier carbene analogues (Silicon, Germanium, Tin and lead): synthesis, characterisation and reactivity.

Multiple bonding in heavier main-group elements: Synthesis, structure and reactivity.

Main group organometallic chemistry: Preparation, stability aspects and reactions. Structurally diverse π-cyclopentadienyl complexes of the main group elements. Element-Element Addition to Alkynes (Si-Si, Ge-Ge, B-B, S-S, Se-Se, Ge-Sn, Si-B, Sn-B, S-B, Se-P, Si-S).

Interlocked macromolecules: catenanes, rotaxanes, pseudorotaxanes.

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