Transmitance 0.2 0.4 0.8 0.6 90 0 3950 1 Use an IR spectrum below to determine the functional group of a compound with a chemical formula C6H14O. 3450 Data from NIST Standard Reference Database 69: NIST Chemistry Infrared Spectrum 2950 2450 1950 1450 950 450 Wavenumbers (cm-1)

What molecule is this? Thank you

Which molecule has the IR spectrum below. A B C D A Transmitance 1 0.8 0.6 0.4 0.2 3000 B INFRARED SPECTRUM 2000 Wavenumber (cm-1) C 1000 D 'Н

What is the structure for C7H9N based on this IR and NMR spectrums?

Find the Correlation Chart for Functional Group Assignments in Infrared Spectra Compound: diphenylmethane 4000 cm1 3500 cm1 3000 cm1 2500 cm1 2000 cm1 1800 cm1 1600 cm1

Label the IR peaks  draw the structure of the compoundand give reasoning

The IR spectrum below belongs to an organic compound A having one nitrogen atom. Determine which structures that fits to the IR spectrum. Justify your answer by providing two (2) IR absorption peaks with their wavenumber. CN NH2 Ahsorbance / 4 50 100- 4000 3000 2500 2000 1500 1000 500 Wavenumbers / cm

100 1000 S80 3000 2000 DOST 4800 NAVENUMBERI-l Functional group Critical absorbance frequency(ies), cm1 Identity:

This question has multiple parts. Work all the parts to get the most points. a Give the structure for the compound with the empirical formula C3H3O2 and the following spectral data: 1Η ΝMR Singlet at 3.7 ppm (3H); multiplet at 7.2 ppm (5H) IR 2850 cm1 (sharp), 1720 cm-1, 1600 cm-1, 1503 cm! 100- 105 80 77 60- M: 136 40- ae 20- 40 80 120 160 miz % Relative abundance

Applications of NMR spectroscopy in pharmaceutical analysis Can potentially be used for fingerprinting mixtures Has good potential for non-destructive quantitative analysis of drugs in formulations without prior separation Can determine impurities, including enantiomeric impurities, without separation Powerfull technique for the characterization og the exact structure of raw materials, intermediates, and finished products