The molecular formula is CuHuNO2. Place your answers in the boxes on the following page. (a)...
NMR Exercise Lab Determine the structure of the following unknown organic compounds from the 'H and C NM below. When supplying spectroscopic information for parts b-c below, be sure to give units appropriately when identifying specific peaks in a spectrum that are associated with specific portions of the structural formula that you give in part a. (a) Provide a structural formula which is consistent with all of the given information; give the degrees of unsaturation (DoU). (b) For the 15'C...
1. For the molecular formula CHINO, please provide the degrees of unsaturation (DOU) and the structure. Draw and label your proposed structure for both your proton NMR table and the carbon NMR table. Please provide a table for the proton NMR that includes the signal label, chemical shift, multiplicity and the integration. For the Carbon NMR please provide a table that includes the signal label and the chemical shift. (10) CNMR 200 180 160 140 120 80 40 20 100...
For the molecular formula C9H11NO, please provide the degrees of
unsaturation (DoU) and the structure. Draw and label your proposed
structure for both your proton NMR table and the carbon NMR table.
Please provide a table for the proton NMR that includes the signal
label, chemical shift, multiplicity and the integration. For the
Carbon NMR please provide a table that includes the signal label
and the chemical shift
CNMR 200 180 160 140 120 80 60 40 100 PPM 20...
1. For the molecular formula C9H1NO, please provide the degrees of unsaturation (DoU) and the structure. Draw and label your proposed structure for both your proton NMR table and the carbon NMR table. Please provide a table for the proton NMR that includes the signal label, chemical shift, multiplicity and the integration. For the Carbon NMR please provide a table that includes the signal label and the chemical shift. (10) CNMR 200 180 160 140 120 100 PPM 80 60...
Apply the n+1 rule to assign the multiplicity (splitting) of each of the protons indicated by an arrow. Possible answers include: singlet, doublet, triplet, quartet, quintet, sextet, septet, octet and nonet. A molecule with formula C_2H_gO gave the NMR peaks below. Draw its structure.^1H NMR: 2.6 ppm (quartet, 2 hydrogens) 2.1 ppm (singlet, 3 hydrogens) 1.1 ppm (triplet, 3 hydrogens)^13C NMR: 215 ppm, 36 ppm, 26 ppm, 8 ppm
For the protons labeled Ha and Ho in the structure below, predict the characteristics of their signals in the H NMR spectrum: the approximate chemical shift, the splitting pattern, and the integration value Approximate chemical shift Splitting Integration value O 1H O 2H 03H O 4H H NMR signal1 ppm for Ha O 2 ppm O 3-4 ppm O 5-6 ppm O 7-8 ppm O singlet O doublet O triplet O quartet O septet O multiplet O 6H H NMR...
Which of the following compounds with molecular formula C9H1802, is consistent with the following ?H and 13C NMR spectra shown below? 1H NMR 6H, doublet 6H, triplet 4H, pentet 1H, septet 1H, pentet . 13C NMR 180.160.140 120 100 80 60 40 20 PPM a) b)
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...
29. The IR and 'H NMR spectra of Unknown B of molecular formula C,H,20, are given on the next page. [10 points] a. How many degrees of unsaturation are present in Unknown B? b. What functional groups are suggested by the IR spectral data? c. How many protons correspond to each signal of the 'H NMR? d. What C-H bonding (or types of protons) are suggested by the 'H NMR data? e. Suggest a structure consistent with parts 29a-d above....
Draw the structure of the compound that is consistent with the H NMR data below. Do not draw ar hydrogens in your solution. It must be drawn as a true skeletal structure 3 molecular formula chemical shift (ppm) relative integration multiplicity C5H100 1.50 doublet 1.61 doublet 2.85 broad singlet 3.91 multiplet 5.21-5.40 multiplet