Preparation and characterization of fac-[Rh(tacn)Cl-3], fac-[Rh(tacn)(H2O)(3)](CF3SO3)(3), [Rh(tacn)(2)]Br-3 center dot 2.8H(2)O and fac-[Co(tacn)(H2O)(3)](CF3SO3)(3)center dot H2O. The acid dissociation constants of fac-[M(tacn)(H2O)(3)](3+) (M=Cr-III, Co-III, Rh-III and Ir-III; tacn=1,4,7-triazacyclononane)

Preparation and characterization of fac-[Rh(tacn)Cl-3], fac-[Rh(tacn)(H2O)(3)](CF3SO3)(3), [Rh(tacn)(2)]Br-3 center dot 2.8H(2)O and fac-[Co(tacn)(H2O)(3)](CF3SO3)(3)center dot H2O. The acid dissociation constants of fac-[M(tacn)(H2O)(3)](3+) (M=Cr-III, Co-III, Rh-III and Ir-III; tacn=1,4,7-triazacyclononane)
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DOI:
10.3891/acta.chem.scand.50-0567
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发表时间:
1996-07-01
期刊:
ACTA CHEMICA SCANDINAVICA
影响因子:
--
通讯作者:
Simonsen, K
Simonsen, K
中科院分区:
其他
文献类型:
--
作者:
Galsbol, F;Peterson, CH;Simonsen, K

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FAC-[Co(Tacn)(H2O)(3)](CF3SO3)(3)的制备和分离程序。H2O和FAc-[Rh(Tacn)(H2O)(3)](CF3SO3)(3)与[Rh(Tacn)(2)]Br3的制剂一起给出。2.8H(2)O,Fac-[Rh(Tacn)Cl-3]和Fac-[Co(Tacn)(NO2)(3)]。用核磁共振和紫外可见光谱对其结构进行了表征。测定了Fac-[Co(Tacn)(H2O)(3)](3+)和Fac-[Rh(Tacn)(H2O)(3)](3+)的浓酸常数,并与相应的铬(III)和铱(III)化合物的热力学参数进行了比较。(C)1996年《斯堪的纳维亚化学学报》。
Procedures for the preparation and isolation of fac-[Co(tacn)(H2O)(3)](CF3SO3)(3) . H2O and fac-[Rh(tacn)(H2O)(3)](CF3SO3)(3) are given together with preparations of [Rh(tacn)(2)]Br-3 . 2.8H(2)O, fac-[Rh(tacn)Cl-3] and fac-[Co(tacn)(NO2)(3)]. The complexes are characterized by NMR and UV/VIS spectroscopy. The concentration acid constants of fac-[Co(tacn)(H2O)(3)](3+) and fac-[Rh(tacn)(H2O)(3)](3+) were determined, and the thermodynamic parameters are compared with those of the corresponding chromium(III) and iridium(III) compounds. (C) Acta Chemica Scandinavica 1996.