Advanced Organic Chemistry: Mass spectrum of (1-methylethyl)benzene (cumene) SITEMAP * HOME PAGE * SEARCH * GCSE Level Chemistry age ~14-16 * Advanced Level Chemistry age ~16-19
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The mass spectrum of (1-methylethyl)benzene (2-phenylpropane, cumene) Doc Brown's Chemistry Advanced Level Pre-University Chemistry Revision Study Notes for UK IB KS5 A/AS GCE advanced A level organic chemistry students US K12 grade 11 grade 12 organic chemistry courses involving molecular spectroscopy analysing mass spectra of (1-methylethyl)benzene (cumene) Use your mobile phone or ipad etc. in 'landscape' mode This is a BIG website, you need to take time to explore it Mass spectroscopy - spectra index
(1-methylethyl)benzene,
2-phenylpropane, C9H12 , C6H5CH(CH3)2
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Interpreting the fragmentation pattern of the mass spectrum of (1-methylethyl)benzene (cumene) [M]+ is the molecular ion peak (M) with an m/z of ? corresponding to [C9H12]+, the original (1-methylethyl)benzene (cumene) molecule minus an electron, [C6H5CH(CH3)2]+. The small M+1 peak at m/z 121, corresponds to an ionised (1-methylethyl)benzene (cumene) molecule with one 13C atom in it i.e. an ionised (1-methylethyl)benzene (cumene) molecule of formula 13C12C8H12 Identifying the species giving the most prominent peaks (apart from M) in the fragmentation pattern of (1-methylethyl)benzene (cumene).
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, (cumene)