MASS SPECTROMETRY. Intro to Spectroscopy, 3 rd ed., Pavia et al. Mass Spec – Ionization.

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Presentation transcript:

MASS SPECTROMETRY

Intro to Spectroscopy, 3 rd ed., Pavia et al. Mass Spec – Ionization

Table 8.2, p 399 Intro to Spectroscopy, 3 rd ed., Pavia et al. Mass Spec – Molecular Formula

Table 8.3, p 401 Intro to Spectroscopy, 3 rd ed., Pavia et al. Mass Spec – Molecular Formula

Unknown: Contains C, H and one other element. Determine the MF and propose a structure.

Table 8.6, p 403 Intro to Spectroscopy, 3 rd ed., Pavia et al. Mass Spec – Molecular Formula

Unknown: Contains C, H and one other element. Determine the MF and propose a structure.

Mass Spec – Fragmentation

Appendices p A39-A44, Intro to Spectroscopy, 3 rd ed., Pavia et al.

Mass Spec – Functional Groups Intro to Spectroscopy, 3 rd ed., Pavia et al., p. 406

Mass Spec – Alkanes

Mass Spec – Alkenes

Mass Spec – Alkynes

Mass Spec – Aromatic Hydrocarbons

MS – Aromatic Hydrocarbons

McLafferty Rearrangement Intro to Spectroscopy, 3 rd ed., Pavia et al., p. 416 McLafferty ion

C 9 H 12 - Unknown monosubstituted aromatic hydrocarbons.

MS – Aldehydes

MS – Ketones

MS – Ketones: 1-phenyl-1-butanone vs 1-phenyl-2-butanone

MS – Esters

Unknown: C 8 H 16 O 2 Propose a structure and draw structures for defining fragment ions

MS – Carboxylic Acids

MS-Amines

MS - Amides

MS – Unknown Aldehyde