Consider a molecule with the molecular formula C7H8O2 Draw a structure based on the data given. C₂H₂O₂Problem 4MASS1091124-1004. I 1163780901101205060m/zIR1008Transmittance4000'H NMR 300 MHz7.06.5-3348PC/DEPT NMR 75.5 MHz7030006.0-2951-2835150 140 130 1202000Wavenumber (cm-1)5.5100-18595.01004.580www-1701-16121-15124.070-123460-10341000133.5 ppm50 ppm

Some basic spectroscopic methods are used to confirm the presence of organic compound- 1- IR…

MASS % of Base Peak IR 100 50 Transmittance 100 S 50 4000 'H NMR 300 MHz 7.0 60 6.5 70 6.0 PC/DEPT NMR 75.5 MHz Problem 4 3000 80 m/z 90 2000 Wavenumber (cm-1) 5.0 150 140 130 120 110 100 90 100 -1859 -1701 -1612 4.5 примпи -1512 110 4.0 R -1234 60 C₂H8O₂ -1034 1247 1000 120 -825 -733 513 3.5 ppm 50 ppm

MASS % of Base Peak IR 100 50 Transmittance 100 S 50 4000 'H NMR 300 MHz 7.0 60 6.5 70 6.0 PC/DEPT NMR 75.5 MHz Problem 4 3000 80 m/z 90 2000 Wavenumber (cm-1) 5.0 150 140 130 120 110 100 90 100 -1859 -1701 -1612 4.5 примпи -1512 110 4.0 R -1234 60 C₂H8O₂ -1034 1247 1000 120 -825 -733 513 3.5 ppm 50 ppm

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

ChapterL3: Carbon (13c) Nmr Spectroscopy

Section: Chapter Questions

Problem 8E

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Similar questions

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1. For each set of spectral data, propose an acceptable structure that is consistent with the data. a. MS: M+ m/z=71, IR: 3340, 2960, 2870 cm-1 , 13C NMR: 47.20 (CH2), 25.64 (CH2) ppm b. MS: M+ m/z= 102, IR: 2960, 2870 cm-1, 13C NMR: 72.73 (t), 23.20 (t), 10.80 (q) ppm c. MS: M+ m/z=74, IR: 3310, 2960, 2870 cm^-1, 13C NMR: 62.44 (down), 34.86 (down), 18.98 (down), 13.88 (up) ppm (DEPT-direction) d. MS: M+ m/z=92 (M:M+2=3:1), IR: 2960, 2870 cm^-1, 13C NMR: 67.29 (C), 34.46 (CH3) ppm e. MS:M+ m/z=70, IR: 3070, 2960, 2870, 1666 cm^-1, 13C NMR: 138.92 (t), 114.26 (d), 35.96 (t), 22.17 (t), 13.59 (q) ppm f. MS: M+ m/z= 72, IR: 2960, 2870 cm^-1, 13C NMR: 31.68 (t), 29.80 (d), 22.20 (q), 11.69 (q) ppm g. MS: M+ m/z= 84, IR: 2960, 2870, 1734 cm^-1, 13C NMR: 220.16 (C), 38.30 (CH2), 23.24 (CH2) ppm h. MS:M+ m/z= 138, (M:M+2=1:1), IR: ~3010(broad), 1715 cm^-1, 13C NMR: 173.61(s), 25.21(t) ppm i. MS:M+ m/z=88, IR: 2960, 2870, 1736cm^-1, 13C NMR: 170.95 (C), 60.34 (CH2), 20.98 (CH3), 14.23 (CH3)…