Optimized geometries 6 o benzyl 2 deoxy 2 dimethylmaleimido alpha dextro allopyranoside 2 Allosamine 2 Ammonia 2 Ammonia complexes 2 Ammonia molecules 2 Basis sets 2 Bond distance 2 C-F bonds 2 Carbohydrates 2 Carbonyl oxygen 2 Complex carbohydrates 2 Complexation 2 Conformation 2 Conformations 2 Conical intersection 2 Crystal geometry 2 Crystal structure 2 Crystallography, X-Ray 2 Density functional theory 2 Density functionals 2 Diamond films 2 Electronic excited state 2 Energy gap 2 Excited states 2 Fluorine 2 Functionals 2 Gain insight 2 Geometry 2 Glycosides 2