Abstract:While the use of molecular orbitals (MOs) and their isosurfaces to explain physical phenomena in chemical systems are a time-honored tool, we show that the nodes are an equally important component for understanding the current density through single-molecule junctions. We investigate three dif- ferent model systems consisting of an alkane, alkene and even [n]cumulene and show that we can explain the form of the current density using the MOs of the molecule. Essentially, the MOs define the region in which curre… Show more
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