# Green Chemistry Metrics

> Green chemistry metrics calculation skill for atom economy, E-factor, and process mass intensity

- Skill: `a5c-ai/green-chemistry-metrics` (Agent Skill)
- Install (CLI): `npx skillmds@latest add a5c-ai/green-chemistry-metrics`
- Raw SKILL.md: https://api.skillmd.com/api/skills/a5c-ai/green-chemistry-metrics/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: a5c-ai (https://skillmd.com/u/a5c-ai)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/a5c-ai/green-chemistry-metrics

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# Green Chemistry Metrics Skill

## Purpose

The Green Chemistry Metrics Skill calculates and evaluates green chemistry metrics to assess process sustainability and guide process improvement toward greener alternatives.

## Capabilities

- Atom economy calculation
- E-factor analysis
- Process mass intensity (PMI)
- Reaction mass efficiency
- Carbon efficiency
- Solvent intensity
- Energy intensity
- Water intensity
- Renewables fraction

## Usage Guidelines

### When to Use
- Evaluating process greenness
- Comparing synthesis routes
- Setting sustainability targets
- Tracking improvement progress

### Prerequisites
- Process stoichiometry defined
- Mass balance available
- Solvent usage documented
- Energy consumption known

### Best Practices
- Calculate multiple metrics
- Compare against benchmarks
- Track trends over time
- Consider full life cycle

## Process Integration

This skill integrates with:
- Green Chemistry Metrics Evaluation
- Process Sustainability Assessment
- Waste Minimization Analysis

## Configuration

```yaml
green-chemistry-metrics:
  metrics:
    - atom-economy
    - e-factor
    - pmi
    - carbon-efficiency
  benchmarks:
    - pharmaceutical
    - fine-chemical
    - commodity
```

## Output Artifacts

- Metrics calculations
- Benchmark comparisons
- Trend analyses
- Improvement recommendations
- Sustainability scorecards