Optical Activity Calculator

Calculate and Analyze Optical Properties

ChemistryCalculatorHub.info

Specific Rotation Calculator

Calculate specific rotation from observed rotation

Results will appear here

Optical Purity Calculator

Calculate optical purity and enantiomeric excess

Results will appear here

Racemic Mixture Analyzer

Analyze composition of racemic mixtures

Results will appear here

Understanding Optical Activity

Basic Concepts

Key principles:

  • Plane polarized light
  • Chirality
  • Specific rotation
  • Racemization

Measurement Factors

Important parameters:

  • Temperature
  • Concentration
  • Path length
  • Wavelength

Types of Mixtures

Classification:

  • Pure enantiomers
  • Racemic mixtures
  • Scalemic mixtures
  • Diastereomeric mixtures

Applications

Uses in chemistry:

  • Stereochemistry
  • Drug analysis
  • Quality control
  • Reaction monitoring

Advanced Topics

Special considerations:

  • Cotton effect
  • Circular dichroism
  • Mutarotation
  • Optical resolution

Essential Optical Activity Formulas

Specific Rotation

[α]ᵀᴰ = (α × 100)/(l × c)

Optical Purity

%OP = (αobs/αpure) × 100

Enantiomeric Excess

%ee = |[R] - [S]| × 100/([R] + [S])