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风雨入梦

木虫 (小有名气)

[求助] 性质表征求助,有关电子振动

目前在整理荧光数据,看文献上面在这部分经常出现电子振动,根据荧光发射波长得到相应的电子振动波数,来证明配体主要作用,比如配体芳环上碳碳双键和碳氮双键的贡献,数值大体和红外类似。请问该数值如何得到,谢谢
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风雨入梦

木虫 (小有名气)

可能我前面表述的不太清楚,我选择三篇文章的例子来说明一下我的问题,请大家帮帮忙
1.At R.T., upon excitation at 377 and 450 nm, a structured emission was observed at ca. 560 nm and 600 nm, and a shoulder appearing at ca. 660 nmThe vibronic progressional spacings of 1190 cm-1 and 1515 cm-1 are characteristics of aromatic ring stretching
2. In most cases, the emission spectra in solid states at 298 K exhibit well resolved vibronic-structured bands with vibrational progressional spacings in the range of 1160-1460 cm-1
3. the complexes showed well-resolved vibronic-structured emission bands at
approximately 530–543 nm and a low-energy emission band at approximately 630–648 nm. The vibrational progressional spacings of the high-energy band at approximately 1300 cm1
我的问题就是文献中的振动能级是如何得到的,通过计算还是直接在红外图上找的大致范围。波长的倒数无法得到给出数值。
谢谢了
2楼2011-08-10 21:13:38
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