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Br Chemical Formula: C7H7BrO degrees of unsaturation: O Br unique 13C signals: degrees of unsaturation: degrees of unsaturation: Chemical Formula: C10H1804 unique 13C signals: degrees of unsaturation: Chemical Formula: C18H12Br2 degrees of unsaturation: unique 13C signals: O Chemical Formula: C7H1204 unique 13C signals: Chemical Formula: C8H12 unique 13C signals: S S. Br degrees of unsaturation: Chemical Formula: C8H4OS2 unique 13C signals: EXAMPLE PART 1: To receive credit, all handwriting must be CLEAR, NEAT, and CLEAN! Fill in the boxes below for each molecule, as demonstrated in the EXAMPLE. i) Draw ALL protons. ii) Label equivalent protons with the same subscript letter, in alphabetical order from left to right or clockwise on the structure when possible (as demonstrated in RED in the EXAMPLE). iii) Indicate splitting by s-singlet, d-doublet, t-triplet, q-quartet, dd-double-of-doublets, m=multiplet, AND an arrow pointing to ONE of the protons (as demonstrated in the EXAMPLE). That is, no need for multiple arrows to equivalent protons. Assume no long-range splitting from interactions of four bonds or greater. iv) For each molecule indicate the degrees of unsaturation and the number of unique signals in the 13C NMR spectrum. This entire assignment is to be completed independently. HA- HA HB HB He He HA на Не Не Не Не На Chemical Formula: CH₁402 degrees of unsaturation: о unique 13C signals: 3 degrees of unsaturation: N Chemical Formula: C6H15N unique 13C signals: degrees of unsaturation: Chemical Formula: C6H9D3O3 unique 13C signals: F F F F F F F F degrees of unsaturation: Chemical Formula: C5H1002 unique 13C signals: degrees of unsaturation: Chemical Formula: C14F10 unique 13C signals: CD3 ןד F LL F 1

Br Chemical Formula: C7H7BrO degrees of unsaturation: O Br unique 13C signals: degrees of unsaturation: degrees of unsaturation: Chemical Formula: C10H1804 unique 13C signals: degrees of unsaturation: Chemical Formula: C18H12Br2 degrees of unsaturation: unique 13C signals: O Chemical Formula: C7H1204 unique 13C signals: Chemical Formula: C8H12 unique 13C signals: S S. Br degrees of unsaturation: Chemical Formula: C8H4OS2 unique 13C signals: EXAMPLE PART 1: To receive credit, all handwriting must be CLEAR, NEAT, and CLEAN! Fill in the boxes below for each molecule, as demonstrated in the EXAMPLE. i) Draw ALL protons. ii) Label equivalent protons with the same subscript letter, in alphabetical order from left to right or clockwise on the structure when possible (as demonstrated in RED in the EXAMPLE). iii) Indicate splitting by s-singlet, d-doublet, t-triplet, q-quartet, dd-double-of-doublets, m=multiplet, AND an arrow pointing to ONE of the protons (as demonstrated in the EXAMPLE). That is, no need for multiple arrows to equivalent protons. Assume no long-range splitting from interactions of four bonds or greater. iv) For each molecule indicate the degrees of unsaturation and the number of unique signals in the 13C NMR spectrum. This entire assignment is to be completed independently. HA- HA HB HB He He HA на Не Не Не Не На Chemical Formula: CH₁402 degrees of unsaturation: о unique 13C signals: 3 degrees of unsaturation: N Chemical Formula: C6H15N unique 13C signals: degrees of unsaturation: Chemical Formula: C6H9D3O3 unique 13C signals: F F F F F F F F degrees of unsaturation: Chemical Formula: C5H1002 unique 13C signals: degrees of unsaturation: Chemical Formula: C14F10 unique 13C signals: CD3 ןד F LL F 1

Organic Chemistry: A Guided Inquiry
Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
ChapterL4: Proton (1h) Nmr Spectroscopy
Section: Chapter Questions
Problem 18CTQ
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Br Chemical Formula: C7H7BrO degrees of unsaturation: O Br unique 13C signals: degrees of unsaturation: degrees of unsaturation: Chemical Formula: C10H1804 unique 13C signals: degrees of unsaturation: Chemical Formula: C18H12Br2 degrees of unsaturation: unique 13C signals: O Chemical Formula: C7H1204 unique 13C signals: Chemical Formula: C8H12 unique 13C signals: S S. Br degrees of unsaturation: Chemical Formula: C8H4OS2 unique 13C signals:
Transcribed Image Text:Br Chemical Formula: C7H7BrO degrees of unsaturation: O Br unique 13C signals: degrees of unsaturation: degrees of unsaturation: Chemical Formula: C10H1804 unique 13C signals: degrees of unsaturation: Chemical Formula: C18H12Br2 degrees of unsaturation: unique 13C signals: O Chemical Formula: C7H1204 unique 13C signals: Chemical Formula: C8H12 unique 13C signals: S S. Br degrees of unsaturation: Chemical Formula: C8H4OS2 unique 13C signals:
EXAMPLE PART 1: To receive credit, all handwriting must be CLEAR, NEAT, and CLEAN! Fill in the boxes below for each molecule, as demonstrated in the EXAMPLE. i) Draw ALL protons. ii) Label equivalent protons with the same subscript letter, in alphabetical order from left to right or clockwise on the structure when possible (as demonstrated in RED in the EXAMPLE). iii) Indicate splitting by s-singlet, d-doublet, t-triplet, q-quartet, dd-double-of-doublets, m=multiplet, AND an arrow pointing to ONE of the protons (as demonstrated in the EXAMPLE). That is, no need for multiple arrows to equivalent protons. Assume no long-range splitting from interactions of four bonds or greater. iv) For each molecule indicate the degrees of unsaturation and the number of unique signals in the 13C NMR spectrum. This entire assignment is to be completed independently. HA- HA HB HB He He HA на Не Не Не Не На Chemical Formula: CH₁402 degrees of unsaturation: о unique 13C signals: 3 degrees of unsaturation: N Chemical Formula: C6H15N unique 13C signals: degrees of unsaturation: Chemical Formula: C6H9D3O3 unique 13C signals: F F F F F F F F degrees of unsaturation: Chemical Formula: C5H1002 unique 13C signals: degrees of unsaturation: Chemical Formula: C14F10 unique 13C signals: CD3 ןד F LL F 1
Transcribed Image Text:EXAMPLE PART 1: To receive credit, all handwriting must be CLEAR, NEAT, and CLEAN! Fill in the boxes below for each molecule, as demonstrated in the EXAMPLE. i) Draw ALL protons. ii) Label equivalent protons with the same subscript letter, in alphabetical order from left to right or clockwise on the structure when possible (as demonstrated in RED in the EXAMPLE). iii) Indicate splitting by s-singlet, d-doublet, t-triplet, q-quartet, dd-double-of-doublets, m=multiplet, AND an arrow pointing to ONE of the protons (as demonstrated in the EXAMPLE). That is, no need for multiple arrows to equivalent protons. Assume no long-range splitting from interactions of four bonds or greater. iv) For each molecule indicate the degrees of unsaturation and the number of unique signals in the 13C NMR spectrum. This entire assignment is to be completed independently. HA- HA HB HB He He HA на Не Не Не Не На Chemical Formula: CH₁402 degrees of unsaturation: о unique 13C signals: 3 degrees of unsaturation: N Chemical Formula: C6H15N unique 13C signals: degrees of unsaturation: Chemical Formula: C6H9D3O3 unique 13C signals: F F F F F F F F degrees of unsaturation: Chemical Formula: C5H1002 unique 13C signals: degrees of unsaturation: Chemical Formula: C14F10 unique 13C signals: CD3 ןד F LL F 1
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