Unlversity of Selones and Teehnology of China 表1.1一些常见的共价键的键长 键 键长(pm) 键 键长(pm) 键 键长(pm) C-H 109 C-0 143 C=C 134 N-H 103 C-F 141 C=N 130 0-H 97 C-CI 176 C=O 122 C-C 154 C-Br 194 C三C 120 C-N 147 C-1 214 C三N 116 Organic Chem University of Science and Technology of China Organic Chem 表1.1 一些常见的共价键的键长 键 键长(pm) 键 键长(pm) 键 键长(pm) C-H 109 C-O 143 C=C 134 N-H 103 C-F 141 C=N 130 O-H 97 C-Cl 176 C=O 122 C-C 154 C-Br 194 C三C 120 C-N 147 C-I 214 C三N 116