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The 71 pages that link to Nuclear magnetic resonance spectroscopy, each with the reason it gives.

• Mass spectrometryCompared with: It supplies structural information through magnetic interactions rather than ion mass measurements.

• X-ray crystallographyCompared with: It can study molecules in solution, unlike methods requiring an ordered crystal.

• Molecular geometryRelated: NMR measurements constrain molecular structures and distinguish conformations in solution.

• Nuclear magnetic resonanceBroader topic: It uses resonance frequencies and couplings to distinguish atoms within molecules.

• Protein structureRelated: It can characterize protein structures and motions without requiring crystals.

• Magnetic momentRelated: Nuclear moments determine the field-dependent energy levels that NMR measures.

• Conformational isomerismRelated: Its signals can reveal conformational populations and exchange rates.

• Molecular spectroscopyRelated: It provides detailed structural information through molecular nuclear resonances.

• CrystallographyCompared with: It can determine molecular structures in solution where crystals may be unavailable.

• Conformational analysisRelated: NMR measurements can reveal conformer populations and exchange rates.

• DiastereomerRelated: Diastereomers can produce distinct NMR signals even in an achiral environment.

• Superconducting magnetRelated: Strong, stable superconducting fields improve spectral resolution and sensitivity.

• Vibrational spectroscopyCompared with: It reveals chemical environments through nuclear spins rather than vibrational frequencies.

• Carboxyl groupRelated: NMR signals near a carboxyl group help identify its molecular environment.

• Electron paramagnetic resonanceCompared with: NMR probes nuclear spins, whereas EPR chiefly probes unpaired electron spins.

• Microwave spectroscopyRelated: Microwave-frequency nuclear resonance occurs for suitable fields and nuclei, though most NMR uses radio frequencies.

• Chemical analysisBroader topic: It can identify molecular structures and quantify compounds in suitable samples.

• ChloroformRelated: Deuterated chloroform is a common solvent for preparing samples for proton NMR measurements.

• DeuteriumRelated: Deuterium can provide a distinct signal or serve as a solvent label in NMR.

• Nuclear spinBroader topic: Chemical environments shift nuclear resonance frequencies and reveal molecular details.

• Cryo-electron microscopyCompared with: NMR can probe molecular motion in solution, while cryo-EM often captures frozen structural populations.

• Neutron scatteringCompared with: Both methods probe magnetic and atomic behavior, but use different interactions and timescales.

• Distance geometryRelated: NMR-derived distance restraints help infer three-dimensional molecular configurations.

• Intrinsically disordered proteinRelated: NMR can characterize the rapidly fluctuating conformations of disordered proteins.

• MetabolomicsRelated: It measures metabolite signals without requiring molecules to be ionized.

• Fourier-transform infrared spectroscopyCompared with: It provides structural evidence through a different physical interaction than infrared absorption.

• Molecular structureRelated: Chemical shifts and couplings provide evidence about molecular connectivity and conformation.

• Protein crystallographyCompared with: It can reveal protein structures in solution rather than in a crystal lattice.

• Structural biologyRelated: It measures structures and motions of biomolecules in solution.

• Keto–enol tautomerismRelated: NMR can distinguish keto and enol signals and reveal their exchange.

• PhytochemistryRelated: It can establish the structures of purified phytochemicals.

• Protein Data BankRelated: NMR experiments yield solution-state structures deposited in the archive.

• Quantum metrologyRelated: Spin coherence and polarization determine the sensitivity of NMR measurements.

• Bent's ruleRelated: Bonding changes associated with Bent's rule can influence nuclear shielding and chemical shifts.

• Larmor precessionBroader topic: Chemical environments shift the observed precession resonance from its reference frequency.

• Meso compoundRelated: Molecular symmetry in a meso compound can make otherwise distinct nuclei chemically equivalent.

• Optical spectroscopyCompared with: It reveals molecular structure through nuclear spin behavior, outside the optical range.

• Phenyl groupRelated: Phenyl protons produce characteristic signals that help identify aromatic rings in compounds.

• Electronic spectroscopyCompared with: Its transitions concern nuclear spins, not electronic excitation by ultraviolet or visible photons.

• Nuclear magnetic momentBroader topic: Its frequency shifts and splittings depend on magnetic interactions involving nuclei.

• AlphaFoldCompared with: It can reveal experimentally observed protein conformations and dynamics absent from a single prediction.

• Dielectric spectroscopyCompared with: Both reveal molecular dynamics, but NMR detects nuclear spins rather than bulk polarization.

• Felix BlochRelated: Bloch’s resonance method made it possible to study nuclei in bulk samples, enabling later chemical applications.

• Gyromagnetic ratioBroader topic: The nuclear ratio converts field strength into the resonance frequency used for spectroscopy.

• Photo 51Compared with: It offers a different route to molecular structure than the fiber diffraction used for Photo 51.

• SpectrometerRelated: NMR instruments analyze frequency spectra produced by nuclei in a magnetic field.

• John KendrewCompared with: Unlike Kendrew’s crystallographic approach, this method can determine structures without crystals.

• Structural isomerRelated: Different connectivities often produce distinct patterns of nuclear signals.

• Isidor RabiBroader topic: The resonance principle Rabi established became a foundation for this chemical analysis method.

• Kurt WüthrichNarrower topic: Wüthrich adapted this method to determine protein structures in solution.