Classical Nucleation Rate CNT Calculator
Crystallization & materials physics: Compute the critical nucleus radius ($r^*$), thermodynamic activation barrier ($\Delta G^*$), and steady-state homogeneous/heterogeneous nucleation rates ($J$) from supersaturation ratio ($S$).
Thermodynamic & Solution Parameters
S = C / C*, S > 1 required
Organic crystals: 5–30; Inorganics: 20–100
1 ų = 10⁻³⁰ m³
Nucleation Mode & Kinetic Pre-factor
Nucleation Barrier & Rate Output
Critical Radius r*:
--
nanometers (nm)
Nucleation Rate J:
--
nuclei / (m³ · s)
Barrier ΔG*:
--
kJ / mol
Barrier / k_B T:
--
dimensionless
Molecules in n*:
--
molecules / nucleus
Thermodynamic Driving Force
Chemical Potential Difference $\Delta \mu$:
--
Heterogeneous Shape Factor $f(\theta)$:
--
Relative Supersaturation $\sigma = S - 1$:
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