Key points are not available for this paper at this time.
We provide a brief overview of “natural” localized bonding concepts, as implemented in the current natural bond orbital program (NBO 5.0), and describe recent extensions of these concepts to transition metal bonding. Chem. Educ. Res. Pract. Eur.: 2001, 2, 91-104
Weinhold et al. (2001) studied this question.