What is the difference between the two calculation methods?

The Born-Landé method uses specific structural constants like the Madelung constant via `calculate_lattice_energy`, while the Kapustinskii method provides an estimate using only ionic charges and radii.

Can I determine if a compound is stable?

Yes, you can use the `evaluate_stability` tool to receive a qualitative assessment of thermodynamic stability based on the calculated lattice energy and charge density.

What units are used for ionic radii?

Ionic radii should be provided in picometers (pm) when using the `calculate_lattice_energy` tool.

Lattice Energy Calculator MCP Connector for Claude

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Calculate lattice energy, enthalpy of formation, and thermodynamic stability of ionic compounds.

4 tools Official Updated Oct 1, 2026 Official Vinkius Partner

More Details Connect to Claude

This MCP server provides specialized chemical physics tools to analyze ionic crystalline compounds. It allows for the precise calculation of lattice energy using the Born-Landé method or the simplified Kapustinskii equation. Users can estimate the standard enthalpy of formation and evaluate the thermodynamic stability of a compound based on its charge density and lattice energy. The server includes tools like calculate_lattice_energy for structural analysis, estimate_enthalpy_of_formation for thermodynamic modeling, and evaluate_stability for assessing compound existence.

chemistrythermodynamicsphysicsionic-compoundslattice-energy

Connect to Claude

Subscribe on Vinkius, then add this connector to Claude.ai or Claude Code.

① Claude.ai (web app)

Go to Settings → Connectors → Add custom connector
Paste the MCP endpoint URL below

https://edge.vinkius.com/vk_preview_Z3adsRa9ASHZNoCapsUrcToCqJfoYktQI5ICyXKR/mcp

② Claude Code (terminal)

claude mcp add --transport http lattice-energy-calculator https://edge.vinkius.com/vk_preview_Z3adsRa9ASHZNoCapsUrcToCqJfoYktQI5ICyXKR/mcp

③ Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "lattice-energy-calculator": {
      "url": "https://edge.vinkius.com/vk_preview_Z3adsRa9ASHZNoCapsUrcToCqJfoYktQI5ICyXKR/mcp"
    }
  }
}

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