WebJan 1, 2024 · The IR spectrum of synthetic rubber is seen in Figure 4. Note that this structure contains cis-functional groups, which means that like substituents are on the same side; that is, the two CH 2 substituents are on one side of the double bond while the two hydrogens are on the other side.. The unsaturated C-H stretching peak for this material … http://www.akrmys.com/PhCh2008/docs/note/note04.pdf
Faculty of Science Kumamoto University
WebCharacteristic IR Absorption Peaks of Functional Groups* Vibration Position (cm-1) Intensity* Notes Alkanes C-H stretch 2990 – 2850 m to s Alkenes =C-H stretch 3100 – 3000 m C=C stretch 1680 – 1620 (sat.) 1650 – 1600 (conj.) w to m ... cis Disubstituted, 730 – 665 meta 810 – 750 &R 725 – 680 H Disubstituted, symm. Webex.) H2O 対称伸縮 反対称伸縮 変角 ラマン活性 ラマン活性 ラマン活性 HH O H H O O Ha H b H a H b O pq H H x α x α αOH a αOHb x α 選択則 (赤外・ラマン) Δvi =±1 (4.2) 問題4.1 以下の振動の、赤外活性・ラマン活性を判別せよ。 a) H2 (伸縮振動) b) C2H4 ν1 (全対 … how do you spell brawd
ヘキサクロロシクロヘキサン異性体のCH伸縮振動スペクトル
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