Reactivity in polynuclear transition metal chemistry as a means to obtain high-spin molecules: substitution of µ4-OH– by η1,µ4-N3– increases nine times the ground-state S value of a nonanuclear nickel(ii) cage
- 8 November 2001
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 23,p. 2414-2415
- https://doi.org/10.1039/b106472j
Abstract
The reaction of di-2-pyridyl ketone, (2-py)2CO, with Ni(O2CMe)2·4H2O yields the cage [Ni9(OH)2(O2CMe)8{(2-py) 2CO2}4], which reacts further with N3 − ions to give the structurally similar cluster [Ni9(N3)2(O2CMe)8 {(2-py)2CO2}4] containing extremely rare η1,μ4-N3 − groups; magnetic studies reveal that the spin ground state of the latter is nine times the ground state of the former.Keywords
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