2002
DOI: 10.1107/s0108270102019820
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trans-Bis[1-methyl-3-(p-nitrophenyl)triazenido 1-oxide-κ2N3,O]dipyridinenickel(II)

Abstract: In the centrosymmetric title complex, [Ni(C(7)H(7)N(4)O(3))(2)(C(5)H(5)N)(2)], the coordination geometry about the Ni(2+) ion is octahedral, with two deprotonated 1-methyl-3-(p-nitrophenyl)triazenide 1-oxide ions, viz. [O(2)NC(6)H(4)NNN(O)CH(3)](-), acting as bidentate ligands (four-electron donors). Two neutral pyridine (py) molecules complete the coordination sphere in positions trans to each other. The triazenide 1-oxide ligand is almost planar, the largest interplanar angle of 8.80 (12) degrees being betwe… Show more

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Cited by 3 publications
(4 citation statements)
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“…4 These values are in good agreement with those observed in a similar compound, trans-Bis [1-methyl-3-(p-nitrophenyl) triazenido 1-oxide-k 2 N 3 ,O] dipyridine-nickel(II), hereafter(III) [N11=N12 = 1.273(2)Å and N12-N13 = 1.332(2)Å]. 5 The bond angles similar to 120˚ including atoms N11 and N13 characterize the sp 2 character of this atoms attached to the respective terminal phenyl rings of the triazenido 1-oxide moiety (Table 3), and demonstrate delocalization of the p electrons over the whole ligand anion. The whole triazenido 1-oxide anion deviates slightly from planarity (r.m.s.…”
supporting
confidence: 84%
“…4 These values are in good agreement with those observed in a similar compound, trans-Bis [1-methyl-3-(p-nitrophenyl) triazenido 1-oxide-k 2 N 3 ,O] dipyridine-nickel(II), hereafter(III) [N11=N12 = 1.273(2)Å and N12-N13 = 1.332(2)Å]. 5 The bond angles similar to 120˚ including atoms N11 and N13 characterize the sp 2 character of this atoms attached to the respective terminal phenyl rings of the triazenido 1-oxide moiety (Table 3), and demonstrate delocalization of the p electrons over the whole ligand anion. The whole triazenido 1-oxide anion deviates slightly from planarity (r.m.s.…”
supporting
confidence: 84%
“…Os compostos triazenos foram sintetizados conforme metodologia descrita na literatura (Zhao et al, 1997;Hörner et al, 2002;Hörner et al, 2003;Hörner et al, 2006a,b).…”
Section: Compostos Utilizadosunclassified
“…Os complexos foram obtidos a partir de uma solução contendo o composto triazeno e o sal em questão, em proporções estequiométricas (Zhao et al, 1997;Hörner et al, 2002;Hörner et al, 2003;Hörner et al, 2006a,b pneumoniae 37 e ESBL E. coli 38. Entre as bactérias provenientes de isolamentos clínicos, algumas apresentavam multirresistência aos antimicrobianos testados, como já foi citado anteriormente, e são representadas pelas cepas de E. cloacae e os bacilos Gram-negativos produtores de betalactamases de espectro ampliado (ESBL).…”
Section: Compostos Utilizadosunclassified
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