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二、有机物结构的表示方法

二、有机物结构的表示方法. H. H. H. H. H. H. C. C. C. C. C. H. H. H. H. H. H. H. H. H. H. H. O. H. C. C. C. C. C. C. H. O-H. O-H. O-H. O-H. O-H. 表示方法：. 分子式 　 C 5 H 12 C 6 H 12 O 6. 结构式. H. H. H. H. H. H. C. C. C. C. C. H. C H 3. C H 2. H.

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二、有机物结构的表示方法

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  1. 二、有机物结构的表示方法

  2. H H H H H H C C C C C H H H H H H H H H H H O H C C C C C C H O-H O-H O-H O-H O-H 表示方法： 分子式 　C5H12 C6H12O6 结构式

  3. H H H H H H C C C C C H C H3 C H2 H C H2 H C H2 H H C H3 H C H3 C H2 C H2 C H2 C H3 C H3 (C H2)3 C H3 结构简式:

  4. O CH2 CH CH CH CH C H OH OH OH OH OH H H H H H O CH2OH CHOH CHOH CHOH CHOH CHO H C C C C C C H CH2OH (CHOH)4 CHO O-H O-H O-H O-H O-H

  5. CH2 CH CH2 CH3 H H CH CH2 CH2 CH3 H C C C C H H H H H

  6. H O H C C O H H O CH3 H C O COOH CH3

  7. 键线式: 　　　将结构式中氢原子和碳原子符号省略（但不是所有的氢原子和碳原子符号都省略），用锯齿状的折线表示有机化合物中的共价键情况，每个拐点和终点均表示一个碳原子。

  8. C H3 C H2 C H2 C H2 C H3

  9. OH OH H HO OH OH O CH2OH CHOH CHOH CHOH CHOH CHO

  10. CH CH2 CH2 CH3

  11. O O CH3 H C O ＯH

  12. H H H C C C C H H H （３） 练习： １、写出下列有机化合物的结构简式和键线式。 （１）丙烷　　　　　（２）丙酸

  13. H C H （４） H C C C C H H C H H H （5） H C C Br Br C C H H H

  14. H H (6) H C H C C H C H C H C H H H

  15. CH3 COOH C HO H CH3 C HOOC OH H 楔形式： 　　用楔状的图形来表示有机化合物空间相对位置的图形。

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