4000 3500 3000 2500 Wavenumbers (cm-1) 2000 1500 1000 500 -5 0 5 1667.95 10 1119.19 15 744.48 1624.33 686.50 969.92 %Transmittance 1605.34 1575.06 619.86 605.24 581.72 1449.38 1071.87 1293.68 1005.59 1392.78 2812.20 2741.22 1731.13 1494.99 3027.88 1250.61 1177.93 1159.68 1327.14 841.15 100 ali cinnamon
4000 3500 3000 2500 Wavenumbers (cm-1) 2000 1500 1000 500 -5 0 5 1667.95 10 1119.19 15 744.48 1624.33 686.50 969.92 %Transmittance 1605.34 1575.06 619.86 605.24 581.72 1449.38 1071.87 1293.68 1005.59 1392.78 2812.20 2741.22 1731.13 1494.99 3027.88 1250.61 1177.93 1159.68 1327.14 841.15 100 ali cinnamon
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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This is the IR spectrum of *cinnamon oil*
- Please identify the key peaks in the IR spectrum and the bond type.
-If possible, identify around 5 - 7 peaks.
Transcribed Image Text:The image is an infrared spectroscopy (IR) spectrum for "Jai Cinnamon." It displays the percentage transmittance against wavenumbers measured in cm⁻¹.
**Graph Explanation:**
- **X-axis (Wavenumbers):** Ranges from 4000 cm⁻¹ to 500 cm⁻¹. Wavenumbers represent the frequency of infrared light absorbed by the sample.
- **Y-axis (% Transmittance):** Ranges from -5% to 100%. This indicates the amount of infrared light passing through the sample without being absorbed.
**Key Peaks and Corresponding Wavenumbers:**
- 3027.88 cm⁻¹
- 2812.20 cm⁻¹
- 2714.22 cm⁻¹
- 1731.13 cm⁻¹
- 1605.34 cm⁻¹
- 1575.06 cm⁻¹
- 1506.34 cm⁻¹
- 1449.38 cm⁻¹
- 1423.33 cm⁻¹
- 1392.78 cm⁻¹
- 1322.14 cm⁻¹
- 1293.86 cm⁻¹
- 1250.61 cm⁻¹
- 1159.68 cm⁻¹
- 1119.19 cm⁻¹
- 1071.87 cm⁻¹
- 1005.59 cm⁻¹
- 909.92 cm⁻¹
- 841.15 cm⁻¹
- 744.48 cm⁻¹
- 686.50 cm⁻¹
- 619.86 cm⁻¹
- 605.24 cm⁻¹
- 581.72 cm⁻¹
These peaks correspond to the vibrational frequencies of specific molecular bonds within the cinnamon sample. Each peak can provide insights into the molecular structure and composition of the sample.
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