
PASSWORD X.(15 pts) Consider of 4.8. Provide a structure for X compound X which has the...
3. (a) Provide a structure for the compound with the formula C.H.., that has the following IR and NMR spectra. (b) Name the molecule. TRANSMETENCES 12 10 HSP-03-089 ppm 13 C-NMR spectrum on next page... 160 140 120 80 60 40 20 200 180 COS-04-995 6 100 ppm
13C NMR 1. Propose a structure for the compound CsH12, with the following 13C NMR spectral data. 160 140 120 80 60 40 20 0 200 180 CDS-00-748 100 ppm 2. Propose a structure for the compound CaH;Br, with the following C NMR spectral data. 200 180 160 140 120 80 60 40 100 ppm 20 0 3. Propose a structure for the compound C H2O2, with the following "'C NMR spectral data. 200 180 160 140 120 30600 T...
8. IR and proton NMR spectra for compound X are given below. Propose a structure for compound X based on these spectral data. Assign major IR peaks and proton signals. 100+ 90 801 ME92 33AM 45 73 70 604 504 401 57 301 201 101 20 40 200 0 80 180 00 120 140 160
5. Draw a structure for and name a compound that is consistent with compound that is consistent with the following MS. abundance 73 M 80 90 100 110 120 130 140 150 160 10 20 30 40 50 60 70 m/z Question 5: Structure and name: Mass Spectrum (include the molecular ion) Observed Fragment & MW Expected MW Fragmentation type Explanation:
Propose a reasonable structure for this compound based on the mass spec, IR, and NMR data. 100 Relative Intensity M+ 10 20 30 40 60 70 80 90 50 m/z LUU TRINETTRICET 4000 3000 2000 cm1 1500 1000 500 ЗН Зн 2H тттттттттттттттттт 11 10 9 8 7 6 5 4 ppm 200 180 160 140 120 80 60 40 20 100 ppm
the compound. Trspectaldaa toanswer the following questions and deduce the structure of compound has molecular formula C1zH sCIO. 6H CDCI 2H 2H 2H 2H 1H TMS Expansion of peak near 128.5 ppm 2 peaks CDCI, TMS 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 100 a. (3 pts.) What is the DoU? b. (4 pts.) The mass spectrum shows a signal for M . at m/z : 210 (100%)...
thank you in advance
2. Assign the structure of a compound with formula C,H,O, that is consistent with this "'C NMR spectrum (all students). 200 180 160 140 120 100 80 60 40 20 0
I am not understanding this assignment at all. Any assistance is
very much appreciated.
Mass Spectrum:
Molecular Ion m/z value and structure of the Molecular Ion.
Base Peak m/z value and structure of that ion
One other significant peak m/z value and structure of that
ion
C13 NMR Spectrum-- Draw Structure of Compound
on the C13 NMR spectrum and identify each signal with the
appropriate Carbon.
Proton NMR Spectrum-- Draw Structure of
Compound on the Proton NMR spectrum and identify...
You are provided with the molecular formula for each compound. calculate the unsaturation index for each problem. -u2C+2+N-X-H For IR, determine the functional groups present and annotate the absorbances that confirm the functional group (including finger print region absorbances). 2 . For 1H NMR, label each signal (a, b, c,.... starting from the right (0.0 PPM). Draw the structure of the compound in the spectra and annotate. 13C NMR spectra is provided for information. Annotation of the 13C NMR is...
problem 4.05 please
1-3. There are two sets of spectra attached. For each provide a structure and assign the peaks by labeling the structures and listing the peaks in the tables provided. 208 Label H NMR 6 Label C NMR 6 4.05 Label H NMR 8 Label C NMR 8 Problem 4.05 Given the spectroscopic data below (Proton, Carbon, gHSQC, gCOSY, and gHMBC), provide the structure of the molecule. (HR-MS: 238.1358 amu), {'H, 'H) Nuclear Overhauser effect correlation was observed...