NMR Spectrum
Chart overview
NMR spectrum plots display signal intensity against chemical shift in parts per million, enabling structural elucidation of organic and inorganic compounds.
Key points
- Researchers annotate multiplet patterns, coupling constants, and integration regions to confirm molecular identity and purity.
- These figures are standard in synthetic chemistry, metabolomics, and pharmaceutical characterization workflows.
Python Tutorial
How to create a nmr spectrum in Python
Use the full tutorial for implementation details, troubleshooting, and chart variations in matplotlib, seaborn, and plotly.
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"Create an NMR spectrum plot from my data. Plot chemical shift (ppm) on the x-axis (reversed, high to low) and signal intensity on the y-axis. Annotate the tallest peaks with their ppm values, add integration curves above the baseline, and use journal formatting with Arial font, no top or right spines, and a clean baseline at zero."
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Python Code Example
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Common Use Cases
- 1Confirming the structure and purity of synthesized organic compounds
- 2Quantifying metabolite concentrations in NMR-based metabolomics studies
- 3Characterizing pharmaceutical active ingredients and impurity profiling
- 4Monitoring reaction progress and conversion rates in real-time NMR experiments
Pro Tips
Reverse the x-axis so chemical shift decreases left to right, matching standard NMR convention
Add a flat baseline subtraction before plotting to reduce baseline drift artifacts
Use scipy.signal.find_peaks to automatically annotate significant peaks with their ppm values
Include a solvent residual peak marker and reference standard (TMS at 0 ppm) for reproducibility
Long-tail keyword opportunities
High-intent chart variations
Library comparison for this chart
matplotlib
Best when you need full control over axis formatting, annotation placement, and journal-specific styling for nmr-spectrum.
numpy
Useful in specialized workflows that complement core Python plotting libraries for nmr-spectrum analysis tasks.
scipy
Useful in specialized workflows that complement core Python plotting libraries for nmr-spectrum analysis tasks.
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