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nistwebbook

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Look up chemical data from NIST Chemistry WebBook (thermochemistry, spectra, properties)

skills/nistwebbook/SKILL.md

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# NIST Chemistry WebBook

Query the [NIST Chemistry WebBook](https://webbook.nist.gov/chemistry/) for thermochemical, spectral, and property data. Data are from NIST Standard Reference Database 69.

## Overview

- Search by compound name, chemical formula, CAS Registry Number, or InChI/InChIKey
- Retrieve thermochemistry, IR/MS/UV-Vis spectra, gas chromatography, and basic properties
- Optional: install `nistchempy` for full programmatic search; otherwise script prints WebBook URLs for manual lookup

## Usage

### Search by name (requires nistchempy)
```bash