Use the following pieces of information to identify compound A: (a) its melting point 182.9-185.9°C; 1...
what is the structure C NMR data, are Compound 14 is a low-melting solid (melting point 45-49 "C). The Mass, IR, and H NMR spectra, along with given below. Elemental Analysis C, 85.69, H, 5.53; 0,8.78 Wave Number, om LLLLLL 'H NMR Structure: "C Spectral Data: singlet, 187.0 ppm singlet, 137.8 ppm doublet, 132 2 ppm doublet, 130.1 ppm doublet, 128.2 ppm C ole Company
Compound is a liquid, boiling point 136 C. The Mass, IR, and H NMR spectra, along with C NMR data, are given below. Elemental Analysis: C, 90.51; H, 9.49. Mass Spectrum 106 30 50 70 500 110 120 130 140 150 100 170 ao 10 2001 mie Infrared Spectrum Wave Number, om 4000 3000 2500 2000 1500 1300 1200 100 1000 900 10 13 11 Wavelength, microns H NMR 2 pom, & Structure: C Spectral Data: singlet, 140.2 ppm doublet,...
Given the C-NMR, H-HNMR and IR spectrum, what is this compound? It has a melting point of 134 degrees celsius and is in deuterated chloroform solvent. #40-B C NMR 0.5 abundance 18010 170.0 1600 150.0 140.0 130.0 1200 110.0 100.0 90.0 80.0 70.0 60.0 50.0 40.0 30.0 20.0 173.1580 147.4781 140.9673 129.7718 118.2608 9ISSILL 77.1310 76.7103 18.8397 X: parts per Million : 13C CD bundance 7.0 8.0 X: parts per Million: 1H 7.3613 7.3270 7. 98 7.2766 6.2053 6.1962 6.1824...
Compound 21 is a liquid (boiling point 60" C) that has Z stereochemistry. The Mass, IR, and H NMR spectra, along with 13C NMR data, are given below. Elemental Analysis: C, 24.78; H, 208; contains a halogen Mass Spectrum 61 96 98 30 40 50 60 70 80 90 100 110 120 130 140 150 180 170 180 190 200 mVe Infrared Spectrum Wave Number, cm - 4000 3000 2500 1500 2000 1300 1200 1100 800 700 1000 900 ww...
3. the followong compound has a molecular formula of C6H10O2 and has two stronf syretching bibration peaks in its FTIR spectrum at 1725 and 1200cm-1 giving rise to a specific functional group. what is this molecule. 4. based on the mass spectrum below-which heteratom (S, Br, Cl) is present in the molecule that produces this spectrum? 5. which functional group is present in the molecule that produces the followong IR spectra? please answer questions 3-5 Verizon 7:24 PM 3 of...
IV. Identify the compound C&H1o0 on the basis of its IR and NMR spectra shown below. The broad triplet near δ 2.5 ppm disappears when D20 is added. Please draw the Lewis structure ofthe compound, assign all H NMR signals and the key IR stretching bands of functional groups. (16)
10) Identify the unknown compound with the formula C&H O using the following 'H NMR,"C NMR, and IR spectra. Label all peaks used to make your identification as appropriate. Draw the structure of the unknown compound in the box provided. Answer (structure) deguer of insulation 200 180 160 140 120 100 ppm 30 0 40 20 0
1 13 1. Identify the following carbon and hydrogen atoms of the following compound using the H, C, 1H-1H COSY, and 1H-13C HSQC spectra. Mark the location of the following H’s on the H-NMR spectrum on the next page and also write their correct chemical shift in below. Identify the carbons they are attached to and write the chemical shift of the appropriate C below. c. Draw the following C-H coupling correlation on the attached HMQC spectrum on the next...
Compound 3: Use the information provided below and the IR and NMR spectra on the next page to answer the following questions. a) An MS was taken of compound 3 and the table is given below. Determine the molecular formula of 3 from the MS given below. . relative abundance m/z 152 100 153 9.7 154 4.5 b) Calculate the Index of Hydrogen Deficiency/Degree of Unsaturation for the molecule. c) Using the IR spectrum and the 'H- and 13C-NMR spectra...
please help... ignore the written work 1) Which compound gives the following spectra? For the 'H-NMR assign all signals. Interpret mol peak and base peak in the mass spectrum if a mole peak exists. Assign at least two "c signals. How does the IR spectrum support your findings? (12 pts.) s, 4 H s, 3 H t, 3 H q, 2h s, 1 H 2 1 6 5 4 7 8 11 10 ppm esce 100- 80 40 20 150...