Given 1H NMR and 13C NMR, what will be the chemical structure of C14H11FO2?
(Chemical shift, # of peaks, # of protons)
1H NMR: 7-8, multiplet, 8; 4.1, singlet, 2; 2.1, singlet, 1
13C NMR: 202, 131, 127, 126, 123, 120, 118, 115, 114, 109, 108, 63
Given 1H NMR and 13C NMR, what will be the chemical structure of C14H11FO2? (Chemical shift,...
Interpret the given spectra of Triphenylmethanol.
11-Grignard Reaction 12738 13C NMR Atom Chemical Shift (5) Structure: 1H NMR Atom Chemical Shift (8) Multiplicity Structure: * Specify the multiplicity as a singlet (s), doublet (d), triplet (t), quartet (q), or multiplet (m) Specify the number of hydrogens associated with each peak.
C9H12 13C NMR 7 peaks 1H NMR δ 1.13 (triplet, 3H); δ 1.71 (multiplet, 2H); δ 2.64 (triplet, 2H); δ 7.34 (multiplet, 5H) Degree of Unsaturation _______ Draw the structure of your compound and indicate the ppm of each of the H’s. 2. C5H10O2 13C NMR 5 peaks 1H NMR δ 0.93 (triplet, 3H); δ 1.70 (multiplet, 2H); δ 2.25 (triplet, 2H); δ 3.59 (singlet, 3H) Degree of Unsaturation _______ Draw the structure of your compound and indicate the ppm...
for the following 2 compounds, please calculate, and
show the calculations for, the degree of unsaturation, assign the
IR spectrum peaks, assign the 13C NMR peaks, assign the 1H NMR
peaks, and draw the structure for the unknown compound.
CHIM 245 Spectroscopy Problem Set #2 In this problem set there are two unknown compounds. You are provided with the formula, IR spectrum, "C NMR spectrum, and 'H NMR spectrum for each compound. Each unknown is worth 10 points, with an...
1H NMR Spectra:
1H NMR Spectra (Zoomed in):
Through the use of the given spectral data, deduce the structure of the molecule, showing all reasoning in the process. Note that the peaks at 3.7, 4.2, and 7.27 ppm don't belong to the compound; explain what these peaks correspond to: Formula: CH10 13C NMR & DEPT-135: 13C NMR (ppm) Dept-135 57 + + | + + 58 109 111 127 131 149 153 190 No peak No peak No peak +...
11. (20 points) The 1H NMR, 13C NMR, Mass Spectra and IR spectra
for a mystery compound with the formula C5H12O are shown below.
Please draw the structure for the compound in the box below. Note:
The numbers on top of the 1H NMR peaks are the number of protons
associated with that peak. A chart for 1H NMR, IR and 13C NMR
spectra shift values are on the following pages.
nts) The 'H NMR, "C NMR, Mass Spectra and...
Fill out the chart. Help me understand what is going on
here.
1H NMR Structure: Peak Chemical Shift (8) Multiplicity H Peak Chemical Shift (8) Multiplicity H 7 Ha OH 2 8 3 9 Name: 4 10 1,4 butanedoil 5 11 6 12 'H NMR Peak Chemical Shift (8) Multiplicity H Peak Chemical Shift (8) Multiplicity H 7 Structure: 2 8 WOH 3 9 4 10 Name: 5 11 6 12 Specify the multiplicity as a singlet (s), doublet (d),...
Provide the 1H and 13C NMR data for thiophenol. Note the chemical shift, multiplicity, and integration for each (e.g. d 1.0, 3H, triplet). Clearly identify which proton is being reported and which carbon is being reported. Provide the 1H and 13C NMR data for the product generated in Question #1. Note the chemical shift, multiplicity, and integration for each (e.g. d 1.0, 3H, triplet). Clearly identify which proton is being reported and which carbon is being reported.
What is the structure of the unknown molecule based on 1H, 13C NMR
and IR
NMR-115 (700MHz) MW: 152.15 Analysis: C, 63.15; H, 5.30; o, 31.55 galdenadte 70 60 ppm 80 160 150 140 130 120 110 100 9 190 180
9. Use the NMR data and chemical formula to determine the structure of the molecule. a) Formula: C5H100 TH NMR 13C NMR triplet quartet 200 180 160 140 30 60 40 20 0 120 100 Am b) Formula: C3H100 TH NMR 13C NMR singlet singlet doublet doublet 2 2 3 3 8 2 00 180 160 140 120 100 30 60
In the following chemical structure, several sets of hydrogens are labeled, along with a table of possible 1H- NMR resonance peaks. Match the peak pattern to the indicated signal. OH protons do not show spin-spin coupling in this example. Table of resonances 1 doublet (3) @ 1.3 ppm p 2. doublet (3) @ 1.7 ppm 3. singlet (1) @ 2.1 ppm 4. multiplet (1) @ 4.3 ppm 5. multiplet (1) @ 5.5 ppm 6 doublet of doublets (1)@ 5.6 ppm