A compound displays a prominent peak at 3400 cm-¹ in its IR spectrum. The mass spectrum has a molecular ion with m/z of 74. The base peak is at m/z = 45. Draw a structure that best fits this data.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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**Text Transcription for Educational Website:**

A compound displays a prominent peak at 3400 cm⁻¹ in its IR spectrum. The mass spectrum has a molecular ion with m/z of 74. The base peak is at m/z = 45. Draw a structure that best fits this data.

**Explanation:**

This text provides information for identifying a chemical compound using both IR (Infrared) and mass spectrometry data. 

- **IR Spectrum Information:**
  - A strong peak at 3400 cm⁻¹ typically indicates the presence of O-H (hydroxyl) or N-H (amino) groups, often associated with alcohols or amines.

- **Mass Spectrum Information:**
  - The molecular ion peak at m/z = 74 suggests the molar mass of the compound is approximately 74 g/mol.
  - The base peak at m/z = 45 indicates the most stable fragment ion observed in the mass spectrometer and can be useful for deducing the structure.

**Structure Drawing:**
- The area with the dashed border is reserved for drawing the chemical structure that fits these spectroscopic data, showing connectivity and bonds between atoms, typically involving a functional group like an alcohol or amine consistent with the IR spectral data.
Transcribed Image Text:**Text Transcription for Educational Website:** A compound displays a prominent peak at 3400 cm⁻¹ in its IR spectrum. The mass spectrum has a molecular ion with m/z of 74. The base peak is at m/z = 45. Draw a structure that best fits this data. **Explanation:** This text provides information for identifying a chemical compound using both IR (Infrared) and mass spectrometry data. - **IR Spectrum Information:** - A strong peak at 3400 cm⁻¹ typically indicates the presence of O-H (hydroxyl) or N-H (amino) groups, often associated with alcohols or amines. - **Mass Spectrum Information:** - The molecular ion peak at m/z = 74 suggests the molar mass of the compound is approximately 74 g/mol. - The base peak at m/z = 45 indicates the most stable fragment ion observed in the mass spectrometer and can be useful for deducing the structure. **Structure Drawing:** - The area with the dashed border is reserved for drawing the chemical structure that fits these spectroscopic data, showing connectivity and bonds between atoms, typically involving a functional group like an alcohol or amine consistent with the IR spectral data.
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