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[求助]
紅外光譜振動模式命名
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pyridinium ion (pyh+) produced by the reaction of pyridine with brønsted acid sites shows bands around 1545 (v19b) and 1638 cm−1 (v8a). coordinatively bound pyridine on lewis acid sites shows bands around 1445 (v19b) and 1610 cm−1 (v8a). 請問紅外光譜中振動模式的命名有什么規(guī)則啊?這里v8a和v19b是什么意思? |
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