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Propose a structure for an alcohol with molecular formula C5H10O by interpreting the following IR, 1H and 13C NMR.
ALSO INDICATE THE FOLLOWING:
1. the name of the compound
2. the condensed structural formula of the compound
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- Mass Spectrum 1000 - 800.0 600.0 400.0 200.0 0.000- 50.00 100.0 m/z 150.0 200.0 lamalan saldassallaalan C-H;BRO, D00 3000 2000 1000 500 HAVENUNBERIl AbundanceFrom this mass spectroscopy, determine the molecule correspond? Masse molaire (g/mol) Abundance 70000] 60000 50000 40000 30000 20000 10000 m/z--> 0 38 50 Bromo-2,4- dinitrobenzène 75 247 g/mol 107 100 154 KSCN à 50 % 97,18 (d=1,34) (12.703 min) 170 218 246 150 200 250 Bu4NBr 322,37 g/mol 3 03:23 36382 300 350 400 2,4- dinitrophényl thiocyanate 225 g/mol 449473 5833 TITIITT 450 500 550 KBr 119 g/mol#9. Use the information provided below to find out the molecular formula and structure of the compound. QE-300 CDCl3 al Relative Intensity 100 80 60 40 20 +0 0-min 10 3454 #1 3456 57 2907 15 2944 20 2910 36 2879 50 TO ALLE 1 In 20 30 2716 81 2001 04 2438 1 2154 84 1991 84 1972 77 1733 4 1476 23 1470 25 1447 19 1421 16 1116 25 1160 9 40 50 1306 1270 1140 1022 9 974 27 657 25 76466 6 $ 60 m/z MENYERL 70 722 27 608 13 1900 80 90 100 110 120
- 35 70 105 140 Mass M/e 175 210 1.1 1.0 0.9 0.8 0.7 what functional groups arepresent? 0.6 0.5 0.4 0.3 0.2 500 1000 2000 0 1500 Q.1 500 Wavenumbers (cm-1) Transmitance B57. 200 10 __100_ 140 120 6 100 S 1 13C NMR C12H12 135.39 133.91 129.97 127.39 127.20 126.21 21.69Molecular Formula: C10H14 8 LOD TRANSMITTANCE1% D 4000 STRUCTURE: mult. t 2.72 q 6.90 S d t ppm 1.18 7.11 7.53 3000 H 6 4 1 2 1 5 2000 SPECTRUM 5 4 PPM HAVENUMBERI-L 1500 3 1000 500
- IBU NAP O O 1 2 Fill out the table below for 2 compounds (please indicate coupling constant for every peak). Chemical shift Multiplicity Integral Coupling Constant Assignment (Hz) (ppm) (e.g. 4.04) (e.g.ddt) (e.g. 2H) (e.g. J = 8.2, 4.5, 2.1 Hz)| (e.g. H₂) OH OHF054L.d X E PLQ-PHY2054L.d X Properties of Wav X G wavelength symb X Immunization int X genow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take ... late Open Vellum Course Home [Review Topics] [References] How many kinds of chemically non-equivalent hydrogens are there in each of the following compounds? он CH-CH-CH–CN The number of chemically non-equivalent hydrogens is a он CH,-CH-CH,-CH, The number of chemically non-equivalent hydrogens isDraw a picture and determine the point group for EACH of the possible structural arrangements of PFnBr(5-n) for n = 0 to 5. I.e. start with PBr5 and end with PF5. Assuming a static structure, indicate the number and relative intensities of the signals that you would expect to see in the 19F NMR spectrum of each molecule. %3D
- Below is the Electrospray ionization mass spectrum of a compound; what is the exact mass of this compound? 100- 80 60 40 20 10 95 96 97 98 MS-NW-5593 20 fpoy.ql.ppppplıyo 30 40 50 60 70 80 90 100 110 TTTTT 1207) The correct structure that corresponds to the spectroscopic data given below is [IR 2720, 1710 1 point cm*1. 1H NMR 9.80(s, 1H), 7.50(dd, J = 8,0Hz, 2Hz, 1H), 7.40(d, J = 2.0Hz, 1H), 6.90(d, J = 8.0Hz, 1H), 3.90(s, 3H), 3.80(s, 3H)] COOH OMe Me CHO OMe OMe CHO OMe OMe COOH OMe Me3. Determine the functional groups present in the IR graph below. Identify the compound. Transmitance 0.8 0.2 3300 3000 GU 2500 2000 Wavenumbers (cm-1) прим 1500 1000 500