10-28 2-methyl-2-butanol.h1 2-mothyl-2-butanod H NMR Spectrum 0.92 2.12 5.77 3.00 2.0 Chemical Shift (ppm) 3.5 3.0 2.5 1.5 1.0 0.5 2.27 1.62 1.54 1.46 1.38 66'0 0.91 > 0.83 00'0

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
ChapterL4: Proton (1h) Nmr Spectroscopy
Section: Chapter Questions
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Draw the structure of the correct compound on each spectrum and match each type of hydrogen on the structure to the corresponding peak on the spectrum. Thanks
### 2-Methyl-2-Butanol \( \)^1H NMR Spectrum

#### Overview:

This document displays the \( \)^1H NMR spectrum for 2-methyl-2-butanol. Proton nuclear magnetic resonance (NMR) spectroscopy is an analytical chemistry technique used to determine the content and purity of a sample as well as its molecular structure. 

#### Spectrum Explanation:

- **Chemical Shift (ppm):** The x-axis represents the chemical shift in parts per million (ppm). This measures the resonance frequency of the hydrogen atoms compared to a reference compound.
  
- **Intensity:** The y-axis indicates the signal intensity, reflecting the number of hydrogen atoms at each shift position. Peaks represent different hydrogen environments in the compound.

#### Key Peaks:

- **5.77 ppm:** A small peak indicating a hydrogen environment potentially influenced by electronegative groups or double bonds.

- **2.27 ppm:** A broader peak suggests hydrogen atoms in a more electron-rich environment.

- **0.92 to 0.99 ppm:** Several closely spaced peaks, indicating different environments around the methyl group hydrogens.

- **0.00 ppm:** Typically the reference signal set by the solvent or standard.

This spectrum provides insights into the structure of 2-methyl-2-butanol, highlighting various local environments experienced by hydrogen atoms within the molecule. Analyzing these peaks can help deduce the compound's molecular framework.
Transcribed Image Text:### 2-Methyl-2-Butanol \( \)^1H NMR Spectrum #### Overview: This document displays the \( \)^1H NMR spectrum for 2-methyl-2-butanol. Proton nuclear magnetic resonance (NMR) spectroscopy is an analytical chemistry technique used to determine the content and purity of a sample as well as its molecular structure. #### Spectrum Explanation: - **Chemical Shift (ppm):** The x-axis represents the chemical shift in parts per million (ppm). This measures the resonance frequency of the hydrogen atoms compared to a reference compound. - **Intensity:** The y-axis indicates the signal intensity, reflecting the number of hydrogen atoms at each shift position. Peaks represent different hydrogen environments in the compound. #### Key Peaks: - **5.77 ppm:** A small peak indicating a hydrogen environment potentially influenced by electronegative groups or double bonds. - **2.27 ppm:** A broader peak suggests hydrogen atoms in a more electron-rich environment. - **0.92 to 0.99 ppm:** Several closely spaced peaks, indicating different environments around the methyl group hydrogens. - **0.00 ppm:** Typically the reference signal set by the solvent or standard. This spectrum provides insights into the structure of 2-methyl-2-butanol, highlighting various local environments experienced by hydrogen atoms within the molecule. Analyzing these peaks can help deduce the compound's molecular framework.
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