ValenceSim | Molecule Builder & Chemistry Tools

Free online chemistry suite featuring a 2D-to-3D molecule builder with SMILES support, NMR/IR spectroscopy simulations, a stoichiometry calculator with equation balancing, a polyprotic titration simulator, and an interactive periodic table with 3D orbital clouds and electron configurations.

Features and Tools

• Interactive 2D to 3D Molecule Builder
• Polyprotic Titration Simulator with pH Curve Visualization
• Stoichiometry Calculator & Chemical Equation Balancer
• Interactive Periodic Table with 3D Atomic Orbitals
• Predictive 1H-NMR and 13C-NMR Spectroscopy
• IR Spectroscopy Simulation
• Automated Functional Group Detection
• Protonation State Predictor