Research Article

Analysis of One-Bond Se-Se Nuclear Couplings in Diselenides and 1,2-Diselenoles on the Basis of Molecular Orbital Theory: Torsional Angular Dependence, Electron Density Influence, and Origin in

Table 3

Contributions to the torsional angular dependence in (Se, Se: ) from .

[ ]0.015.030.060.075.088.490.0105.0120.0150.0165.0180.0

447.2399.2288.576.119.94.14.329.994.7291.4370.5400.7
449.9403.1294.984.435.220.420.645.9109.1302.2380.3410.4
−121.2−117.6−108.9−80.9−63.0−44.9−42.6−18.98.7−146.9−155.1−157.7
181.2163.4118.713.7−28.6−59.4−62.8−90.8−114.365.385.493.0
−43.3−48.3−60.8−87.9−94.3−93.1−92.4−79.9−54.028.762.475.0
−359.7−333.7−266.1−84.09.695.6111.921.2−71.9−261.5−328.1−352.7
792.9739.4612.0323.7211.5122.2106.5214.3340.7616.6715.7752.8
−333.3−307.1−240.9−69.415.693.3116.533.2−54.4−235.6−298.1−321.0
747.2695.7574.7312.4206.8125.9103.2202.0320.7581.5673.8708.6

Hz. the abbreviation, see text. from the transition.