

FOR EACH DETERMINE (if applicable): • MS DATA • IR DATA • HNMR DATA • CNMR...
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,...
2. Use the 'H NMR and IR data to determine the structure of the following compounds and name them. Compound A Molecular formula: CroH IR absorptions at N/A H NMR data: 1.3 (singlet, 9H), 7.0 to 7.5 (multiplet, 5H) ppm Compound B Molecular formula: CHO IR absorptions at 1H NMR data: 1735-1745, 1050 cm 0.93 (doublet, 6H), 1.52 (multiplet, 2H), 1.69 (multiplet, 1H), 2.04 (singlet, 3H), and 4.10 (triplet,2H) ppm Compound C Molecular ion: IR absorptions at 1710 cm 1H...
1. What is the chemical formula of the unknown?
2. what is the mass of the unknown?
3. What is the HDI?
4. According to IR spectra, what functional groups are
present?
5. What is the structure of the molecule?
138 PRACTICAL SPECTROSCOPY Compound 80 is a liquid (boiling point 212 C), that can be prepared by the reaction of Compound 79 with acidic, anhydrous ethanol. The Mass, IR, and 'H NMR spectra, along with C NMR data, are given...
Compound mpoundis aliquid boiling Elemental Analysis C, 90.51:11.9.49 The M R H NMR song with C NMR data are given below LUUL HTTTTTTTTTTTT 0 0. 0 0000 150 160 170 180 190 200 Infrared Spectrum 000 2000 Wave Number, om HNMR "C Spectral Data: singlet, 140.2 ppm doublet, 128.4 ppm doublet, 127.9 ppm doublet, 125.7 ppm triplet, 31.1 ppm quartet, 16.1 ppm DOC
Question 5: (11 marks) Compound B, which contains only carbon, hydrogen and oxygen atoms, shows the mass, IR, H NMR and C NMR spectra given below a) With brief explanation, deduce the structure of Compound B b) Explain the mass spectroscopic signals at m/z 122, 105 and 77. Mass Spectrum 122 M° 150 70 90 100 110 120 130 140 150 150 170 180 100 200 mve Infrared Spectrum Wave Number,cm- 4000 3000 250 2000150 13 1 11001000900 80 Wavelengihn,...
Determine the compound using the Mass Spec, IR, C NMR, and H
NMR.
H Nmr splitting pattern from left to right: singlet, triplet,
septet (7), singlet, doublet
Compound 1 Mass Spec: Mpeak : 162 IR: 100 - TRANSMETTANCEI21 DO 4000 2000 2000 1500 1500 - 1000 13C NMR: Broadband in provided below. DEPT data is in the provided table. 200.180.160.140 120 100.80 '60.40.20 PPM DEPT -135 positive DEPT-90 positive -------------- PPM 191 149 138 137 135 128 126 | 34...
Provide the most likely chemical structure that corresponds to
each set of spectral data
2. Formula: C6H120 IR: 2960 cm-- (strong), 2874 cm 2 (medium), 1716 cm2 (strong, sharp) "H NMR: 2H, doublet (2.312 ppm); 1H, multiplet (2.133 ppm); 3H, singlet (2.123 ppm); 6H, doublet (0.926 ppm) 13C NMR: 208 ppm, 53 ppm, 30 ppm, 24 ppm, 22 ppm 3. Formula: C4H100 IR: 3339 cm (broad, strong), 2957 cm (strong), 2874 cm (medium) "H NMR: 6H, doublet (0.9 ppm); 1H,...
Problem 115: Determine the molecule of
C7H12O
The IR, mass spec, CNMR and HNMR needs to be typed out not
handwritten, and the molecule needs to be a digital
representation as well. A base example is provided below:
________________________________________________________________________________________________________
Find and draw the molecule based on these charts (Drawing needs
to be digital and please type out answer)
Use an analysis of each graph and explain what numbers indicate
what groups.
Base Example
IR:
3500: O-H group
1750: Ester
Mass...
Using the NMR, IR, and MS figure out what the compoud is.
**
identify the molecular structure througu NMR, IR and MS
CHEM 100L Lab 3 NMR Problems Unknown 1 CH 0 M-a 102 Relative Intensity 20 30 40 50 70 80 60 m/z water, not part of sample 1-2975-2877 9H, singlet 2H, 3H, quartet triplet ppm Unknown 2 C,H,O tensity 119 Relative 3200-2600 1680V 3H, singlet 2x 2H, doublet 1H, singlet ppm Unknown 3 C,HO, Relative Intensity 3090 3035...
What would the structure look like using the mass spec with a
parent peak of 162, IR, C-NMR and H-NMR?
TRETTENCEI Singlet doublet Singlet triplet muitplet PPM halides 13C NMR: Broadband in provided below. DEPT data is in the provided table. 200 180 160 140 120 100 PPM 80 60 40 20 0 DEPT-135 positive DEPT-90 positive PPM 191 149 138 137 135 128 126 positive positive positive positive positive positive positive positive positive positive