ORGANIC CHEMISTRY Chapter l 1. 3 The Structural Theory of Organic chemistry Department of Chemistry, Xiamen University
ORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 1 1.3 The Structural Theory of Organic Chemistry
ORGANIC CHEMISTRY Chapter I o 1858-1861, Kekule, Couper, and Butlerov laid the basis for one of the most fundamental theories in chemistry: the structural theory Valence(化合价):C- tetravalent;O divalent:H-monovalent 9 A carbon atom can use one or more of its valences to form bonds to other carbon atoms C-C C-C C≡C ingle bone Double bond Triple bond o Organic chemistry: a study of the compounds of carbon. (Kekule) Department of Chemistry, Xiamen University
ORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 1 1858 ~ 1861, Kekulé, Couper, and Butlerov, laid the basis for one of the most fundamental theories in chemistry: the structural theory. Valence（化合价）: C — tetravalent; O — divalent; H — monovalent. A carbon atom can use one or more of its valences to form bonds to other carbon atoms. C C C C C C Single bond Double bond Triple bond Organic chemistry: a study of the compounds of carbon. (Kekulé)
ORGANIC CHEMISTRY Chapter l 1.3 A somers(异构体): The importance of Structural formulas ● Isomerism(异构现象) o Isomers: different compounds that have the same molecular formula Isomeric(同分异构) g Structural formulas(结构式) ● Constitutional isomers(构造异构体): different compounds that have the same molecular formula but differ in their connectivity, that is, in the sequence in which their atoms are bonded together Department of Chemistry, Xiamen University
ORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 1 1.3A Isomers（异构体）: The importance of Structural Formulas Isomerism（异构现象） Isomers: different compounds that have the same molecular formula. Isomeric（同分异构） Structural formulas（结构式） Constitutional isomers（构造异构体）: different compounds that have the same molecular formula, but differ in their connectivity, that is, in the sequence in which their atoms are bonded together
ORGANIC CHEMISTRY Chapter l 9 1.3B The Tetrahedral shape of methane 10928 H… Department of Chemistry, Xiamen University
ORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 1 1.3B The Tetrahedral Shape of Methane
ORGANIC CHEMISTRY Chapter l o 1.4 Chemical Bonds: The octet Rule(八偶规则) o lonic Bonds o Covalent Bonds o 1.5 Writing Lewis Structures o 1.6 Exceptions to the Octet Rule °17 Formal charge(形式电荷) Department of Chemistry, Xiamen University
ORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 1 1.4 Chemical Bonds: The Octet Rule（八偶规则） Ionic Bonds Covalent Bonds 1.5 Writing Lewis Structures 1.6 Exceptions to the Octet Rule 1.7 Formal Charge（形式电荷）