2013
DOI: 10.1016/j.poly.2013.04.016
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Novel binuclear Cu(II) complexes combining a semicarbazone Schiff base with distinct bridging ligands: Structure and antimicrobial activity

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Cited by 38 publications
(14 citation statements)
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“…The bands centered at 2059 cm -1 and 2090 cm -1 and 2054 cm -1 respectively for both the azide and isothiocyanate complexes characterize the coordination of the two pseudohalides to the copper center. However, for complex (3) with chlorine as the ligand, there is no band observed at this wave number region in agreement to reported structurally similar system 19 . Both complexes (1) and (3) display the broad and intense band between 1016-1069 cm -1 and another band at approximately 762-829 cm -1 both are consistent with the characteristic peak of ClO 4 -anion 6,16 .…”
Section: Resultssupporting
confidence: 91%
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“…The bands centered at 2059 cm -1 and 2090 cm -1 and 2054 cm -1 respectively for both the azide and isothiocyanate complexes characterize the coordination of the two pseudohalides to the copper center. However, for complex (3) with chlorine as the ligand, there is no band observed at this wave number region in agreement to reported structurally similar system 19 . Both complexes (1) and (3) display the broad and intense band between 1016-1069 cm -1 and another band at approximately 762-829 cm -1 both are consistent with the characteristic peak of ClO 4 -anion 6,16 .…”
Section: Resultssupporting
confidence: 91%
“…In the complex (2), the ν(C-N) of the NCS 18 was at 2090 cm -1 and 2054 cm -1 , while the ν(C-S) 18,19 was at 828 cm -1 and 733 cm -1 . The coordinated thiocyanate group is quasi-linear with the values 176 .7 º{N(1S) -C(1S) -S(1S)} and 171.3º{N(2S) -C(2S) -S(2S)} respectively for the two pseudo-merohedral twin while the uncoordinated group is observed to be linear Table 4, the bent coordination of thiocyanate ligand is much more scarce when compared with the linear one.…”
Section: Resultsmentioning
confidence: 99%
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“…This confirms the coordination of the azide ligands to the copper atom [24][25][26][27][28]. The complexes exhibit the asymmetric Cl-O stretching mode of the perchlorate anion at 1051 cm -1 and 1094 cm -1 and the asymmetric bending mode at 765 cm -1 and 833 cm -1 for complexes (1) and (2) respectively (Table 4) [26,[29][30][31].…”
Section: Infrared Spectrasupporting
confidence: 66%
“…Entretanto, os carbazatos possuem estruturas muito semelhantes a outros ligantes que também são bases de Schiff e por isso, é possível presumir que eles possuirão grande capacidade farmacológica. [3][4][5][6] Além disso, complexos derivados de ligantes carbazatos já foram reportados por possuírem grande capacidade antibacteriana e antifúngica. 7 O estudo das semicarbazonas, por exemplo, pode ser útil ao avaliar estruturalmente os complexos derivados de carbazatos devido à presença de dois sítios de coordenação iguais nos dois tipos de ligante: o nitrogênio azometínico e o oxigênio carbonílico.…”
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