Neutron STEM Lab

Organic Chemistry Workbench

Twelve guided modules for functional groups, nomenclature, molecular formulas, stereochemistry, conformations, acidity, mechanisms, reactions, spectroscopy, aromaticity, polymers, and chromatography.

Organic Chemistry: labelled diagrams and key equations for organic chemistry, functional groups, IUPAC naming, and stereochemistry.
Browser-local interactive workspace
Interactive workspace initializes in your browser. Engineering method, assumptions, validation, and references are available below.

Engineering reference

Organic Chemistry: theory, method, and sources

This chemistry workspace publishes 6 governing equations, 5 stated assumptions, 3 documented boundaries, and 3 sources so the numbers it returns can be checked rather than taken on trust.

Calculations run locallyCalculation & source methodology

How this tool works

The workbench is organized as a guided learning sequence rather than a disconnected set of calculators.

Every module includes a chemical question, real context, learning objective, observations, a dynamic visual, current-value reasoning, and a practice challenge.

Spectroscopy graphs display explicit units, and all numerical and imported values are bounded before calculation or rendering.

Calculators and topics covered

  • organic chemistry
  • functional groups
  • IUPAC naming
  • stereochemistry
  • reaction mechanisms
  • spectroscopy
  • aromaticity
  • polymers
  • chromatography
  • organic chemistry workbench
  • functional group identifier
  • IUPAC naming practice
  • degree of unsaturation calculator
  • R S stereochemistry

Core equations

DBE=1+C−(H+X)2+N2\mathrm{DBE} = 1 + C \frac{- \left(H + X\right)}{2} \frac{+ N}{2}Kacid−base≈10pKa,  product  acid−pKa,  reactant  acidKacid - \text{base} \approx 10^{pKa,\; \text{product}\; \text{acid} - pKa,\; \text{reactant}\; \text{acid}}rateSN2=k[substrate][nucleophile]rateSN_{2} = k \left[\text{substrate}\right] \left[\text{nucleophile}\right]rateSN1=k[substrate]rateSN_{1} = k \left[\text{substrate}\right]aromatic systems contain 4n+2 π electronsRf=distance  traveled  by  compounddistance  traveled  by  solvent  frontRf = \frac{\text{distance}\; \text{traveled}\; by\; \text{compound}}{\text{distance}}\; \text{traveled}\; by\; \text{solvent}\; \text{front}

Method and assumptions

Assumptions

  • The nomenclature builder covers simple acyclic molecules with one principal functional group and a limited substituent set.
  • The butane conformational-energy profile is an educational interpolation through representative anti, gauche, and eclipsed energies.
  • Mechanism scores are qualitative comparisons and are not measured product distributions.
  • IR and proton-NMR spectra are simplified teaching spectra for selected compounds rather than instrument simulations.
  • Polymer models show repeat-unit structure and chain count without predicting dispersity, conversion, or molecular-weight distribution.

Limitations and design boundaries

  • The workbench does not replace a complete IUPAC nomenclature engine, spectral database, quantum-chemistry package, or laboratory safety protocol.
  • Rearrangements, neighboring-group effects, detailed stereoelectronics, solvent mixtures, and multistep synthesis optimization are outside this version.
  • Chemical structures and mechanisms are schematic and intended for instruction.

Sources and references

Primary sources are preferred for ratings, standards, manufacturer data, and externally defined constants.

Source policy
  • Clayden, Greeves and Warren, Organic ChemistryMechanism classes, stereochemistry, and structure-reactivity relationships.
  • Vollhardt and Schore, Organic Chemistry: Structure and FunctionFunctional group behaviour and nomenclature conventions.
  • McMurry, Organic ChemistryDegrees of unsaturation, substitution and elimination pathways, and spectroscopic correlation.

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