你好!庚烷的分子式是C7H16,它有9种同分异构体,它们的结构式和命名如下:
正庚烷:CH3(CH2)5CH3
2-甲基己烷:CH3CH(CH3)(CH2)4CH3
3-甲基己烷:CH3(CH2)2CH(CH3)(CH2)2CH3
2,2-二甲基戊烷:(CH3)2C(CH2)4CH3
3,3-二甲基戊烷:(CH3)2C(CH2)2C(CH3)2
2,3-二甲基戊烷:(CH3)C(CH3)(CH2)C(CH3)2
2,4-二甲基戊烷:(CH3)C(CH3)(CH2)C(CH3)(CH2)
3-乙基戊烷:(H5C6)-H5-C-H5-C-H5-C-H5-C-H5-C-H5-C-H5-C-H5-C-H5-C-H5
乙基戊烷:(H5C6)-H5-C-H5-C-H5-C-H5-C-H6