
Part 2 Determining the structur data given 1. UNKNOWN Goal is to dethe structures of unknowns....
Hi could you help me with this problem please? The following spectroscopic data were obtained for an organic compound: i. MS (relative abundance in parentheses): M+ = 86 ; signals at 29 (92) and 41 (100) among others ii. IR (cm-1): 3100 (weak sharp), 2970 (medium sharp), 2850 (medium), 1650 (weak sharp), 1100 (strong sharp) iii. H1 NMR : Signal A at 4 ppm (3H, triplet), Signal B at 3.53 ppm (2H quartet), Signal C at 4.01...
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,...
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...
5. (6) Answer the questions below about the structure that has the followingdata: EA elemental analysis C% = 75.69; H% - 8.80 EA M 206 3430 (broad), 1705 (stron g) 181.4, 140.9, 137.0, 129.5, 127.4, 45.9, 44.1, 30.3, 22.5,18.2 11.9 (broad s, 1H), 7.21 (d, 2H), 7.09 (d, 2H), 3.70 (q, 1H), 2.44 (d, 2H), 1.84 (nonet (9 lines), 1H), 1.49 (d, 3H), 0.89 (d, 6H) S singlet, de doublet, t triplet, q quartet IR 13CNMR 1H NMR a. Determine...
I need help with scheme 1 please.
Scheme 1: Compound 1 Compound 2 (b) OH (a) + OH Compound 3 Compound 4 Scheme 2: pka increased from 3 (salicylic acid) to 8.5 (Compound 1) H: 607 Laboratory Data: Compound 1: MW: 166.18 C. 65.05 0:28.88 Compound 2: MW: 167.00 C: 28.77 IR: 1739 cm (broad, strong) 'H NMR: H: 423 Br. 47.85 O: 19.15 singlet, 2H quartet, 2H triplet, 3H 2 PPM 13C NMR: 180 160 140 120 100 PPM...
The
whole worksheet please I'm having trouble
1. STRUCTURE OF UNKNOWN (Draw Below) Code Numbs 2. PROTON MAGNETIC RESONANCE SPECIRALDATA Complete the table below by listing the chemical shifts of all of the signal patters in the num spectrum of your compound (chemical shifts of clear multiplets are single numbers at the midpoint of the patter chemical shifts of complex multiplets are given as mango) Assign the multiplicity (singlet, double triplet. quartet, etc., complex multiple as appropriate). Give the integration...
NMR, please help.
16) Chemical Formula: C,H,O, IR: strong peak 1720cm-1 PPM mple A4 thouis Yoo 05 quadret 1:2:2:1 Triplet 1:3:1 244 PPM USER: -- DATE: 04/12/10 08:27 PTS1d: 4096 Nuts - A4 OF1: 372.1 010 AlglobalVZGH.ppg SWI: 1000 PW: 19.6 us PD: 3.0 sec NA LB: 0.0 (ethylacetate) H3C CH₂ - CH3 C4H8O₂ 2. PROTON MAGNETIC RESONANCE SPECTRAL DATA Complete the table below by listing the chemical shiits of all of the signal patterns in the nmr spectrum of...
PART 3 For each set of data on pages 5-9, calculate and record the degree of unsaturation. Then use your problem solving skills to determine the chemical structure that is consistent with ALL of the data on each page. You are not required to label the spectra (but feel free to do so). This entire assignment is to be completed independently Suggestion for a general method to determine a chemical structure based on the provided molecular formula, IR, H-NMR and...
Given the NMR and IR graphs, which unknown compound fits your
graph, and fill out the tables about your unknown.
STANDARD 1N OBSERVE Archive directory! Sample directory: F1101 PROTON A 14 Pulse Sequence! s2pul Solvent: CDC13 Ambient temperature Mercury-300BB Hvarian300 Relax delay 1.000 sec Puis 45.0 degrees Acg. time 1.996 sec Width 4803.1 MZ & repetitions OBSERVE NL, 233.9587289 MHZ DATA PROCESSING FT size 32768 Total tine min. 25 sec 2.8 0 ppm 0.94 1604 1081 1364 3063 534 1384...