CHEMICAL BONDING211.47(a)The electron confguration of N is 1s22s22px12py12pz1. If the half-flled 2px, 2py, and 2pzorbitals are involved in bonding to H, then the unshared pair would correspond to the twoelectrons in the 2sorbital.(b)The three porbitals 2px, 2py, and 2pzhave their axes at right angles to one another. TheH@N@H angles would therefore be 90°.1.48A bonding interaction exists when two orbitals overlap “in phase”with each other, that is, when thealgebraic signs of their wave functions are the same in the region of overlap. The following orbitalis a bonding orbital. It involves overlap of an sorbital with the lobe of a porbital of the same sign.On the other hand, the overlap of an sorbital with the lobe of a porbital of opposite sign isantibonding.Overlap in the manner shown next is nonbonding. Both the positive lobe and the negative lobe ofthe porbital overlap with the spherically symmetrical sorbital. The bonding overlap between thesorbital and one lobe of the
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This note was uploaded on 09/20/2011 for the course CHM 2210 taught by Professor Reynolds during the Fall '01 term at University of Florida.