Theoretical characters and nature of the intermolecular lithium bonded interactions B⋯LiCN/LiNC (B = pyridine, furan and thiophene)

Two types of geometries for the complexes B⋯LiCN/LiNC (B = C5H5N, C4H4O and C4H4S) optimized at MP2/aug-cc-pVTZ level.