Hyperconjugative interactions 4 Molecular physics 4 Nuclear magnetic resonance 4 Scalar couplings 4 13C NMR 2 Aldehydes 2 Antibonding orbitals 2 Atoms 2 Carbon monoxide 2 Chemical bonds 2 Computational geometry 2 Concentration (process) 2 Conformations 2 Conjugative interactions 2 Continuum mechanics 2 Coupling constants 2 Couplings 2 Dielectric materials 2 Dual path transmission 2 Electric charge 2 Electrostatics 2 Fermi level 2 Fluorine 2 Gas phase 2 Geminal couplings 2 Halogen atoms 2 Hyperconjugation 2 J(C,C) scalar couplings 2 Liquid phase 2 Lone-pair orientation effect 2