Scalar coupling constants

Introduction		J-couplings		Chemical shifts		Hydroxy methyl
Coupling constants related to the ω torsion Equations describing the couplings related to the O5-C5-C6-O6 (ω) torsion in hexopyranoses as decribed by Stenutz et al.. (θ is the C5-C6-O6-O6H torsion) "Hydroxymethyl Group Conformation in Saccharides: Structural Dependence of ²J_HH, ³J_HH,and ¹J_CH Spin-Spin Coupling Constants" R. Stenutz, I. Carmichael, G. Widmalm & A.S. Serianni; J. Org. Chem. 67 (2002) 949-958. "Correlated C-C and C-O bond conformations in saccharide hydroxymethyl groups: parametrization and application of redundant ¹H-¹H, ¹³C-¹H, and ¹³C-¹C NMR J-couplings" C. Thibaudeau, R. Stenutz, B. Hertz, T. Klepach, S. Zhao, Q. Wu, I. Carmichael & A.S. Serianni; J. Am. Chem. Soc. 126* (2004) 15668-15685.* ω= θ= J_C,C ¹J_C5,C6= ²J_C4,C6= J_C,H ¹J_C6,H6R= ¹J_C6,H6S= ²J_C5,H6R= ²J_C5,H6S= ²J_C6,H5= ³J_C4,H6R= ³J_C4,H6S= J_H,H ²J_H6R,H6S= ³J_H5,H6R= ³J_H5,H6S=

Coupling constants related to the ω torsion