calculate their degrees of unsaturation, b. circle the bands of interest and draw the corresponding bonds next to the bands, c. and draw a possible structure. a. G3H11N 20 2000 1500 1000 500 2500 WAVENUMBER [cm-1] 4000 3500 3000 001 08 09 TRANSMITTANCE [%]

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**Transcription for Educational Website:**

### Instructions

a. Calculate their degrees of unsaturation.
b. Circle the bands of interest and draw the corresponding bonds next to the bands.
c. Draw a possible structure.

### Infrared (IR) Spectrum Analysis

**Chemical Formula:** C₈H₁₁N

**Graph Description:**

- **X-Axis (Wavenumber [cm⁻¹]):**  
  The graph ranges from 4000 cm⁻¹ to 500 cm⁻¹.

- **Y-Axis (Transmittance [%]):**  
  The transmittance ranges from 0% to 100%.

**Key Features:**

- The spectrum shows several peaks indicating various bond absorptions.
- There are significant dips in transmittance around the following wavenumbers:
  - Near 3300 cm⁻¹, which might indicate the presence of N-H or O-H stretches.
  - Around 3000 cm⁻¹, typically associated with C-H stretching.
  - Between 1600-1500 cm⁻¹, possibly due to C=C or N-H bending.
  - Additional smaller dips appear through 1500-500 cm⁻¹, indicating various fingerprint region absorptions for complex molecular structures.

**Analysis Objective:**

Identify and assign these bands to corresponding molecular vibrations. Use the graph to visualize structural possibilities and molecular interactions given the formula C₈H₁₁N.
Transcribed Image Text:**Transcription for Educational Website:** ### Instructions a. Calculate their degrees of unsaturation. b. Circle the bands of interest and draw the corresponding bonds next to the bands. c. Draw a possible structure. ### Infrared (IR) Spectrum Analysis **Chemical Formula:** C₈H₁₁N **Graph Description:** - **X-Axis (Wavenumber [cm⁻¹]):** The graph ranges from 4000 cm⁻¹ to 500 cm⁻¹. - **Y-Axis (Transmittance [%]):** The transmittance ranges from 0% to 100%. **Key Features:** - The spectrum shows several peaks indicating various bond absorptions. - There are significant dips in transmittance around the following wavenumbers: - Near 3300 cm⁻¹, which might indicate the presence of N-H or O-H stretches. - Around 3000 cm⁻¹, typically associated with C-H stretching. - Between 1600-1500 cm⁻¹, possibly due to C=C or N-H bending. - Additional smaller dips appear through 1500-500 cm⁻¹, indicating various fingerprint region absorptions for complex molecular structures. **Analysis Objective:** Identify and assign these bands to corresponding molecular vibrations. Use the graph to visualize structural possibilities and molecular interactions given the formula C₈H₁₁N.
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