> Wavelength range of Hydrocarbon spectral emissions

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I was checking the NIST site with their Hydrocarbon line database
search utility, and the frequencies of the lines for CH, CH2, and CH4
are on the order of 10^11 Hz approximately. That leads to wavelengths
that are much larger than the visible region. Am I reading the search
results correctly, i.e., do these hydrocarbon molecules really have no
emission lines in the region 200 nm to 1000 nm?

Also, i've noticed that people who post here have their e-mail address
displayed as scrambled (to prevent spammers i guess). Is one's e-mail
address automatically displayed as scrambled or is there an option
somewhere to do that?

Thanks =)
 

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