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analyze and assign this IR of warfarin

analyze and assign this IR of warfarin

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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analyze and assign this IR of warfarin

### Infrared (IR) Spectroscopy Analysis **Graph Description:** The provided graph is an IR (Infrared) spectrum, which plots % Transmittance against Wavenumbers (cm^-1). This spectrum is used to identify the functional groups present in a sample by examining the absorption of IR radiation at specific wavenumbers. **Axes:** - **X-Axis:** The horizontal axis represents the wavenumbers (cm^-1), ranging from 4000 cm^-1 to 500 cm^-1. Wavenumbers are inversely proportional to wavelength and directly correlate with energy. - **Y-Axis:** The vertical axis shows the percentage transmittance (% Transmittance), which indicates how much IR radiation passes through the sample. Higher transmittance means less absorption and vice versa. **Key Features and Peaks:** - **3339.95 cm^-1:** This peak suggests the presence of an O-H or N-H stretch, typically indicating alcohols, phenols, or amines. - **3028.37 cm^-1 and 2985.00 cm^-1:** These peaks are indicative of C-H stretches from alkanes or aromatics. - **1673.39 cm^-1, 1607.49 cm^-1, 1566.20 cm^-1:** Peaks in this region are often associated with C=C stretches in alkenes or aromatic rings, or C=O stretches in carbonyl compounds. - **Other significant peaks:** - **1491.80 cm^-1, 1376.00 cm^-1, 1249.57 cm^-1:** Likely represent bending vibrations or secondary structures. - **1104.45 cm^-1, 1064.67 cm^-1, 1045.67 cm^-1:** May correlate with C-O stretches in alcohols, ethers, carboxylic acids, or esters. - **1008.29 cm^-1, 871.18 cm^-1, 757.66 cm^-1:** These peaks can correspond to bending vibrations or other functional groups like aromatic compounds. **Interpretation:** Each peak on the graph corresponds to a different vibrational mode in the molecule, typically associated with specific types of chemical bonds. By comparing the observed peaks with known reference values, one can deduce the functional groups present in the sample under analysis. **Usage in Education:** This graph can be
Transcribed Image Text:### Infrared (IR) Spectroscopy Analysis **Graph Description:** The provided graph is an IR (Infrared) spectrum, which plots % Transmittance against Wavenumbers (cm^-1). This spectrum is used to identify the functional groups present in a sample by examining the absorption of IR radiation at specific wavenumbers. **Axes:** - **X-Axis:** The horizontal axis represents the wavenumbers (cm^-1), ranging from 4000 cm^-1 to 500 cm^-1. Wavenumbers are inversely proportional to wavelength and directly correlate with energy. - **Y-Axis:** The vertical axis shows the percentage transmittance (% Transmittance), which indicates how much IR radiation passes through the sample. Higher transmittance means less absorption and vice versa. **Key Features and Peaks:** - **3339.95 cm^-1:** This peak suggests the presence of an O-H or N-H stretch, typically indicating alcohols, phenols, or amines. - **3028.37 cm^-1 and 2985.00 cm^-1:** These peaks are indicative of C-H stretches from alkanes or aromatics. - **1673.39 cm^-1, 1607.49 cm^-1, 1566.20 cm^-1:** Peaks in this region are often associated with C=C stretches in alkenes or aromatic rings, or C=O stretches in carbonyl compounds. - **Other significant peaks:** - **1491.80 cm^-1, 1376.00 cm^-1, 1249.57 cm^-1:** Likely represent bending vibrations or secondary structures. - **1104.45 cm^-1, 1064.67 cm^-1, 1045.67 cm^-1:** May correlate with C-O stretches in alcohols, ethers, carboxylic acids, or esters. - **1008.29 cm^-1, 871.18 cm^-1, 757.66 cm^-1:** These peaks can correspond to bending vibrations or other functional groups like aromatic compounds. **Interpretation:** Each peak on the graph corresponds to a different vibrational mode in the molecule, typically associated with specific types of chemical bonds. By comparing the observed peaks with known reference values, one can deduce the functional groups present in the sample under analysis. **Usage in Education:** This graph can be
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