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 at m/z = 45. Draw a structure that best fits this data.
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 at m/z = 45. Draw a structure that best fits this data.
Chemistry
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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
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![### Compound Analysis: IR and Mass Spectrometry
A compound displays a prominent peak at 3400 cm<sup>-1</sup> in its IR spectrum. The mass spectrum of the compound shows a molecular ion with m/z (mass-to-charge ratio) of 74. Additionally, there is a base peak at m/z = 45. Based on this data, draw a structure that best fits these characteristics.
#### Infrared (IR) Spectrum:
- **Prominent Peak at 3400 cm<sup>-1</sup>:** This typically indicates the presence of an O-H or N-H bond, which is characteristic of alcohols, phenols, or amines.
#### Mass Spectrum:
- **Molecular Ion Peak at m/z = 74:** Indicates the molecular weight of the compound.
- **Base Peak at m/z = 45:** The most intense peak, possibly from a stable fragment of the compound.
**[Dotted Box]**: "Select to Draw" – This is an interactive area to draw a proposed structure that aligns with the data provided.
#### Considerations for Structure:
- **O-H or N-H group**: Suggested by the IR peak.
- **Molecular Formula Possibilities:** You may explore molecular formulas that match a molecular weight of 74. Possible candidates might include simple alcohols, amines, or other small molecules.
- **Fragment Stability:** The base peak at 45 likely corresponds to a stable ionic fragment or a specific part of the molecule.
To proceed, draw a chemical structure that aligns with these interpretations to help determine the likely identity of the compound.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3ae82246-2ba7-4804-abb5-6328a4c1ee5a%2F0edf5b0f-d79f-4979-87a0-b38a63392a72%2Frlze9hs_processed.png&w=3840&q=75)
Transcribed Image Text:### Compound Analysis: IR and Mass Spectrometry
A compound displays a prominent peak at 3400 cm<sup>-1</sup> in its IR spectrum. The mass spectrum of the compound shows a molecular ion with m/z (mass-to-charge ratio) of 74. Additionally, there is a base peak at m/z = 45. Based on this data, draw a structure that best fits these characteristics.
#### Infrared (IR) Spectrum:
- **Prominent Peak at 3400 cm<sup>-1</sup>:** This typically indicates the presence of an O-H or N-H bond, which is characteristic of alcohols, phenols, or amines.
#### Mass Spectrum:
- **Molecular Ion Peak at m/z = 74:** Indicates the molecular weight of the compound.
- **Base Peak at m/z = 45:** The most intense peak, possibly from a stable fragment of the compound.
**[Dotted Box]**: "Select to Draw" – This is an interactive area to draw a proposed structure that aligns with the data provided.
#### Considerations for Structure:
- **O-H or N-H group**: Suggested by the IR peak.
- **Molecular Formula Possibilities:** You may explore molecular formulas that match a molecular weight of 74. Possible candidates might include simple alcohols, amines, or other small molecules.
- **Fragment Stability:** The base peak at 45 likely corresponds to a stable ionic fragment or a specific part of the molecule.
To proceed, draw a chemical structure that aligns with these interpretations to help determine the likely identity of the compound.
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