42.21,3-丁二烯烃的结构共轭π键 键角:C=CC:128(H-CC:121 H雉角:C=CH:125(-C-H:17 H 键长:C=C:0.134(0.133) H H/键长:CC:0147(0.1544.2.2 1,3-丁二烯烃的结构—共轭π键 H H H H H H 键角：C=C-C：128 (H-C-C:121) 键角：C=C-H：125(H-C-H:117) 键长：C=C：0.134(0.133) 键长：C-C：0.147(0.154) ORGANIC CHIEMISTRY WENZHOU UNIVERSITY