Sec 1 Structure Properties of Alcohols 0.96A 1.4 0.96A H 104.5° H 108.9° water water water H H methyl alcohol methyl alcohol methyl alcohol Copyright2010 Pearson Prentice Hall,Inc. Hydroxyl(-OH)functional group Oxygen is sp3 hybridized. The H-O-H angle in water is 104.5. The C-O-H angle in methyl alcohol is 108.9. 1、-C,O;SP3 hybridized;O:不等性SP杂化 2、-O-H,C-O为极性共价键 3、-OH,-R-,+I Sec 1 Structure & Properties of Alcohols ❖Hydroxyl (-OH) functional group ❖Oxygen is sp3 hybridized. ❖The H—O—H angle in water is 104.5°. ❖The C—O—H angle in methyl alcohol is 108.9°. 1、－C，O； SP3 hybridized; O:不等性SP3杂化 2、－O-H，C-O为极性共价键 3、－OH, -I; R-, +I