b) IR Analysis
• Peak location
• Peak assignment
Peak around 3000 is for sp 3 C-H stretching.
Peak around 2250 is for CN.
Peak around 1480 is for C-H bending.
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b) IR Analysis • Peak location • Peak assignment Question 3: CsHgN t 00 5D 4000...
3. Below are four nitrogen-conta spectrumm ining compounds. Match the molecule to the IR NH2 CN NH2 4000 1500 1000 500 2000 wavenumber (1/cm) 1500 1000 500 2000 wavenumber (1/cm) 3000 4000 500 1500 1000 4000 3000 wavenumber (1/cm) n° 500 4000 3000 1500 1000 2000 wavenumber (1/cm) 3. Below are four nitrogen-conta spectrumm ining compounds. Match the molecule to the IR NH2 CN NH2 4000 1500 1000 500 2000 wavenumber (1/cm) 1500 1000 500 2000 wavenumber (1/cm) 3000 4000...
What does the large peak around 3000 cm-1 represent for ferrocene? 5D 4000 9000 2000 ... 1500 1000 500
Identify the following ir spectrum 100 Transmittance *T D 0 4000 3000 1300 1000 100 2000 wavenumber om ethyl vinyl ether 2-butanone 2-methylpropanal 2-methyl-2-propen-1-ol Identify the following ir spectrum Transmittance T E 4000 1000 1500 1000 300 1000 wavenumber cm 2-methylpropanal 2-methyl-2-propen-1-ol ethyl vinyl ether 2-butanone Identify the following ir spectrum 100 mm Transmittance ** ly B 500 1000 1100 1000 1000 1000 wavenumber em: O2-methyl-2-propen-1-ol 2-methylpropanal 2-butanone ethyl vinyl ether Identify the following ir spectrum 100 พา Transmittance NT...
2. Analysis of IR Data (4 marks) IR peak value Shape/Intensity (cm) Functional Group Molecular Formula CgH19N IR spectrum 3410 Transmittance 1132 1461 2810 3500 3000 2500 2000 Wavenumber(cm-1) 1500 1000
Assign the peak for both of the IR spectrum below and identify what compound is this and draw the structure of the compound. 100 90 80 70 W 60 50 % Transmission 40 30 - 923 1677 1285 20 - 702 10 0 4000 3500 3000 2500 2000 1500 1000 Wavenumber (cm) 100 80 m % Transmission 1660 1209 1438 886 757 0 4000 3500 3000 2500 1500 1000 2000 Wavenumber (cm*')
IR Worksheet 1. For each spectrum below: 1) Label the major peaks with their approximate frequency. 2) Identify the bond vibration and possible functional group associated with each peak. 3) Match the spectra to one of these possible compounds: NH2 TRANSMITTANCE[%] pobo edo "2060 bo zdoo 160 Tobo 560 WAVENUMBER [cm-1] oot 08 TRANSMITTANCE [%] 09 01 02 4000 3500 3000 2500 2000 WAVENUMBER (cm-1] 1500 1000 500 οοο TRANSMITTANCE (6) οο οο οε 4000 3500 3000 1500 1000 2500...
Detrrmine IR graph & label the peaks 00 %T 75 25 3750 3500 3250 3000 2500 2250 2000 4000 wilson harher 2750 1750 1500 1250 1000 750 500 1/cm 50
HELP B) Interpret IR spectrum of product (shown below) and provide a table listing functional groups and peak intensity. Microns (um) 2.5 3.0 3.5 4.0 6.0 8 10 15 20 Transmittance (%) 1838 cm-19 -V1759 cm-111 TTTTTTTTT 4000 3500 3000 2500 2000 1500 1000 Wavenumber (cm-1) 500
1) Identify the functional group (alkane, alkene, ketone, aldehyde, aldehyde, etc) for the compounds providing the IR spectra: % Transmittance 4000 3500 3000 1500 1000 500 2500 2000 Wavenumber(cm) % Transmittance 4000 3500 3000 1500 1000 500 2500 2000 Wavenumber(cm) % Transmittance 1000 3500 3000 1500 1000 500 2500 2000 Wavenumber (cm)
Which structure is most consistent with the following IR spectrum? 100 TRANSMITTANCE [%] 50 4000 500 3000 1000 2000 1500 WAVENUMBER (-1) OH ОН II