2004
DOI: 10.1002/zaac.200400019
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Metallkomplexe mit N2O2S2‐Koordinationssphäre. Synthese und Charakterisierung der Cobalt(II)‐, Nickel(II)‐ und Kupfer(II)‐Komplexe eines 15‐ und eines 16‐gliedrigen N, N′‐bis(2‐hydroxyethyl)‐funktionalisierten makrocyclischen Liganden

Abstract: Die makrocyclischen Liganden 6, 10‐Bis(2‐hydro‐xyethyl)‐7, 8, 9, 11, 17, 18‐hexahydro‐dibenzo‐[e, n][1, 4, 8, 12]‐dithiadiaza‐cyclopentadecin (1) (L1) und 5, 13‐Bis(2‐hydroxyethyl)‐7, 8, 9, 10, 16, 17, 18, 19, 20‐nonahydro‐dibenzo‐[g, o][1, 9, 5, 13]‐dithiadiaza‐cyclohexadecin (L4) sowie ihre Nickel(II)‐, Cobalt(II)‐ und Kupfer(II)‐Komplexe wurden hergestellt und durch Röntgenstrukturanalysen charakterisiert. In allen Komplexen haben die Metallionen eine oktaedrische N2O2S2‐Koordinationssphäre. Durch Faltung d… Show more

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Cited by 5 publications
(2 citation statements)
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“…Only little is known about the absorption behavior of Co II S-cluster complexes; however, the related compound K 10 [Co 4 Sn 4 S 17 ] shows an onset of absorption at 1.8 eV, consistent with its the somewhat smaller cluster size 14b. The absorptions at higher energies are the result of d−d transitions and are consistent with the complicated UV−vis spectra of previously reported molecular Co(II) complexes …”
Section: Resultssupporting
confidence: 81%
See 1 more Smart Citation
“…Only little is known about the absorption behavior of Co II S-cluster complexes; however, the related compound K 10 [Co 4 Sn 4 S 17 ] shows an onset of absorption at 1.8 eV, consistent with its the somewhat smaller cluster size 14b. The absorptions at higher energies are the result of d−d transitions and are consistent with the complicated UV−vis spectra of previously reported molecular Co(II) complexes …”
Section: Resultssupporting
confidence: 81%
“…The Co−(μ 3 -S) distances in structurally related Co−S complexes vary strongly as a result of different bonding partners at the sulfur atoms (metal or C atom), varying coordination numbers, and different formal oxidation states. However, distances from tetracoordinate Co II centers to (μ 3 -S) or (μ-SR) ligands were reported to be 2.276−2.371 Å, a range that spans the observed Co−(μ 3 -S) bond lengths in 2 and 3 .…”
Section: Resultsmentioning
confidence: 91%