Homework Help is Here – Start Your Trial Now!
Science
Chemistry
Your task: Determine which isomer (trans or cis) correspond to the 2 methylene peaks at 3.1 ppm and 3.8 ppm

Your task: Determine which isomer (trans or cis) correspond to the 2 methylene peaks at 3.1 ppm and 3.8 ppm

Organic Chemistry: A Guided Inquiry
Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
ChapterL3: Carbon (13c) Nmr Spectroscopy
Section: Chapter Questions
Problem 6CTQ
See similar textbooks
icon
Related questions
Question

Please help I'm confused. 

Your task: Determine which isomer (trans or cis) correspond to the 2 methylene peaks at 3.1 ppm and 3.8 ppm • You will have to calculate the coupling constant for both methylene and assign them to the red proton below он H OH H₂ 8. & cis trans Coupling pattern: doublet of triplet You will look for the original triplet that split into a doublet Use peaks 1 and 3 Coupling constant Axial Hs 11₂ OH trans CH₂ 9-12 Hz triplet How to determine the isomer via coupling constant OH H doublet CH FIG. 36.1 The 20-spectrum of a mixture of cand 2-metyyl CH₂ HG.: The MIMB The 250-MH NMR spectrum of a mixture of cle and trace-3-methylcycl The frequens of pas 1595039475 9448,942.2 and 135 H respectively. The of peaks to 11 are 791 2. 786.3.761.6,777.1,7716, and 767, respectively The frequencies of peaks 1 to 5 are 96.3, 947.5, equatorial Hs 2-5 Hz 9448, 42.2 and 10 respectively. The af peaks 6 to 11 7868, 781 777.1, 771.4. and 757.4 Hr, respectively Axial Hs 11₂ 26 3.8 H₂ wha 4-7 Hz Coupling constant: smaller spacing between each peak سل World FPM 197 23 LD HOH cis 13 MIN 10 C1₂ equatorial Hs as 4-7 Hz • Assume the hydrogens for both cis and trans will be in axial position (so that methyl is equatorial)
Transcribed Image Text:Your task: Determine which isomer (trans or cis) correspond to the 2 methylene peaks at 3.1 ppm and 3.8 ppm • You will have to calculate the coupling constant for both methylene and assign them to the red proton below он H OH H₂ 8. & cis trans Coupling pattern: doublet of triplet You will look for the original triplet that split into a doublet Use peaks 1 and 3 Coupling constant Axial Hs 11₂ OH trans CH₂ 9-12 Hz triplet How to determine the isomer via coupling constant OH H doublet CH FIG. 36.1 The 20-spectrum of a mixture of cand 2-metyyl CH₂ HG.: The MIMB The 250-MH NMR spectrum of a mixture of cle and trace-3-methylcycl The frequens of pas 1595039475 9448,942.2 and 135 H respectively. The of peaks to 11 are 791 2. 786.3.761.6,777.1,7716, and 767, respectively The frequencies of peaks 1 to 5 are 96.3, 947.5, equatorial Hs 2-5 Hz 9448, 42.2 and 10 respectively. The af peaks 6 to 11 7868, 781 777.1, 771.4. and 757.4 Hr, respectively Axial Hs 11₂ 26 3.8 H₂ wha 4-7 Hz Coupling constant: smaller spacing between each peak سل World FPM 197 23 LD HOH cis 13 MIN 10 C1₂ equatorial Hs as 4-7 Hz • Assume the hydrogens for both cis and trans will be in axial position (so that methyl is equatorial)
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
NMR Spectroscopy of Organic Molecules
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Organic Chemistry: A Guided Inquiry
Organic Chemistry: A Guided Inquiry
Chemistry
ISBN:
9780618974122
Author:
Andrei Straumanis
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9781305080485
Author:
John E. McMurry
Publisher:
Cengage Learning
SEE MORE TEXTBOOKS