Structural and magnetic studies on mono- and polynuclear chromium ascorbate complexes

Birgül Zümreoglu-Karan; Ahmet N. Ay; Canan Ünaleroglu; Tezer Firat; Thomas Ristau; Wolfgang Jabs

doi:10.1007/s11243-005-1035-0

Structural and magnetic studies on mono- and polynuclear chromium ascorbate complexes

Birgül Zümreoglu-Karan
, Ahmet N. Ay
, Canan Ünaleroglu
, Tezer Firat
, Thomas Ristau
, Wolfgang Jabs

Araştırma sonucu: Dergiye katkı › Makale › bilirkişi

12 Alıntılar (Scopus)

Özet

Polynuclear chromium ascorbate complexes were isolated and physicochemically analyzed in a comparative manner with their mononuclear analog (1). Characterization by elemental analysis, electronic, vibrational, ¹³C-n.m.r and mass spectroscopies, and variable temperature magnetic susceptibility studies, allowed structural proposals for the binuclear, [Cr ₂(μ-OH)₂(H₂O)(C₆H ₇O₆)₃(OH)] • 4H₂O (2), and trinuclear, [Cr₃(μ-O)₃(H₂O) ₆(C₆H₇O₆)₃] • 4 H₂O (3) complexes. The pseudo-octahedral Cr ^III centers were suggested to be connected through hydroxo bridges in (2) and in (3) by oxo bridges forming a hexocyclic ring.

Orijinal dil	İngilizce
Sayfa (başlangıç-bitiş)	451-459
Sayfa sayısı	9
Dergi	Transition Metal Chemistry
Hacim	30
Basın numarası	4
DOI'lar	https://doi.org/10.1007/s11243-005-1035-0
Yayın durumu	Yayınlandı - May 2005

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10.1007/s11243-005-1035-0

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title = "Structural and magnetic studies on mono- and polynuclear chromium ascorbate complexes",

abstract = "Polynuclear chromium ascorbate complexes were isolated and physicochemically analyzed in a comparative manner with their mononuclear analog (1). Characterization by elemental analysis, electronic, vibrational, 13C-n.m.r and mass spectroscopies, and variable temperature magnetic susceptibility studies, allowed structural proposals for the binuclear, [Cr 2(μ-OH)2(H2O)(C6H 7O6)3(OH)] • 4H2O (2), and trinuclear, [Cr3(μ-O)3(H2O) 6(C6H7O6)3] • 4 H2O (3) complexes. The pseudo-octahedral Cr III centers were suggested to be connected through hydroxo bridges in (2) and in (3) by oxo bridges forming a hexocyclic ring.",

author = "Birg{\"u}l Z{\"u}mreoglu-Karan and Ay, \{Ahmet N.\} and Canan {\"U}naleroglu and Tezer Firat and Thomas Ristau and Wolfgang Jabs",

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doi = "10.1007/s11243-005-1035-0",

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TY - JOUR

T1 - Structural and magnetic studies on mono- and polynuclear chromium ascorbate complexes

AU - Zümreoglu-Karan, Birgül

AU - Ay, Ahmet N.

AU - Ünaleroglu, Canan

AU - Firat, Tezer

AU - Ristau, Thomas

AU - Jabs, Wolfgang

PY - 2005/5

Y1 - 2005/5

N2 - Polynuclear chromium ascorbate complexes were isolated and physicochemically analyzed in a comparative manner with their mononuclear analog (1). Characterization by elemental analysis, electronic, vibrational, 13C-n.m.r and mass spectroscopies, and variable temperature magnetic susceptibility studies, allowed structural proposals for the binuclear, [Cr 2(μ-OH)2(H2O)(C6H 7O6)3(OH)] • 4H2O (2), and trinuclear, [Cr3(μ-O)3(H2O) 6(C6H7O6)3] • 4 H2O (3) complexes. The pseudo-octahedral Cr III centers were suggested to be connected through hydroxo bridges in (2) and in (3) by oxo bridges forming a hexocyclic ring.

AB - Polynuclear chromium ascorbate complexes were isolated and physicochemically analyzed in a comparative manner with their mononuclear analog (1). Characterization by elemental analysis, electronic, vibrational, 13C-n.m.r and mass spectroscopies, and variable temperature magnetic susceptibility studies, allowed structural proposals for the binuclear, [Cr 2(μ-OH)2(H2O)(C6H 7O6)3(OH)] • 4H2O (2), and trinuclear, [Cr3(μ-O)3(H2O) 6(C6H7O6)3] • 4 H2O (3) complexes. The pseudo-octahedral Cr III centers were suggested to be connected through hydroxo bridges in (2) and in (3) by oxo bridges forming a hexocyclic ring.

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DO - 10.1007/s11243-005-1035-0

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VL - 30

SP - 451

EP - 459

JO - Transition Metal Chemistry

JF - Transition Metal Chemistry

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ER -

Structural and magnetic studies on mono- and polynuclear chromium ascorbate complexes

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