bond, obtained for (CF 3 ) 2 NONO (t-s) with the length of 1.632 Å, neither bonding nor
non-bonding attractors are found. The electron density in the interaction region
between the N and O1 atoms is characterised by attractors of the ELF field corresponding to the lone pairs on the N and O1 atoms, V(N), V(O1). The 2D map of ELF
function is shown in Fig. 19.11. From ELF-topological point of view the
(CF 3 ) 2 NONO molecule consists of the (CF 3 ) 2 NO and NO fragments and type IV of
ELF-topology is confirmed. No covalent bond can be identified, even ‘broken’
Fig. 19.10 The core and valence attractors in the benzoyl nitrite molecule, C 6 H 5 C(O)ONO
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non-bonding attractors are found. The electron density in the interaction region
between the N and O1 atoms is characterised by attractors of the ELF field corresponding to the lone pairs on the N and O1 atoms, V(N), V(O1). The 2D map of ELF
function is shown in Fig. 19.11. From ELF-topological point of view the
(CF 3 ) 2 NONO molecule consists of the (CF 3 ) 2 NO and NO fragments and type IV of
ELF-topology is confirmed. No covalent bond can be identified, even ‘broken’
Fig. 19.10 The core and valence attractors in the benzoyl nitrite molecule, C 6 H 5 C(O)ONO
19 Diversity of the Nature of the Nitrogen-Oxygen Bond …
545