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Inne
On the nature of Ni···Ni interaction in a model dimeric Ni complex.
Autorzy
Rok wydania
2011
Czasopismo
Physical Chemistry Chemical Physics
Numer woluminu
13
Strony
10280-10284
DOI
10.1039/c0cp01984d
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
A new dinuclear complex (NiC(5)H(4)SiMe(2)CHCH(2))(2) (2) was prepared by reacting nickelocene derivative [(C(5)H(4)SiMe(2)CH=CH(2))(2)Ni] (1) with methyllithium (MeLi). Good quality crystals were subjected to a high-resolution X-ray measurement. Subsequent multipole refinement yielded accurate description of electron density distribution. Detailed inspection of experimental electron density in Ni···Ni contact revealed that the nickel atoms are bonded and significant deformation of the metal valence shell is related to different populations of the d-orbitals. The existence of the Ni···Ni bond path explains the lack of unpaired electrons in the complex due to a possible exchange channel.
Adres publiczny
http://dx.doi.org/10.1039/c0cp01984d
Strona internetowa wydawcy
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