A General Route to Strictly Dinuclear Cu(II)/Ln(III) Complexes. Structural Determination and Magnetic Behavior of Two Cu(II)/Gd(III) Complexes
Starting from a single precursor, bis(3-methoxysalicylaldehydato)copper (II), which contains an O(4)Cu chromophore, three routes to discrete dinuclear Cu(II)/Ln(III) complexes (Ln = Pr, Eu, Gd, Yb) are described. The pairs of chromophores occurring in the resulting complexes are either O(4)Cu/O(4)Ln or O(2)N(2)Cu/O(4)Ln, the coordination sphere of the Ln ions being completed, in both cases, with six oxygen atoms afforded by three nitrato ions. Two Cu/Gd complexes involving either two tridentate ligands (2) or one hexadentate ligand (7) have been structurally characterized. They crystallize in the monoclinic space groups P2(1)/n (No. 14) (2) and P2(1)/c (No. 14) (7). The cell parameters are a = 9.7185(7) Å, b = 16.7839(12) Å, c = 14.8868(8) Å, beta = 97.445(5) degrees, and Z = 4 (2) and a = 9.7656(9) Å, b = 19.889(2) Å, c = 15.870(2) Å, beta = 95.512(9) degrees, and Z = 4 (7) respectively. The magnetic properties of six Cu/Ln complexes have been determined. A quantitative analysis of the magnetic properties of the Cu/Gd complexes shows that the interaction is of the ferromagnetic type with a J constant varying from 4.8 to 7.0 cm(-)(1). The decrease of the interaction parallels the variation of the dihedral angle between the two halves (OCuO and OGdO) of the bridging core.
| Medienart: |
E-Artikel |
|---|
| Erscheinungsjahr: |
1997 |
|---|---|
| Erschienen: |
1997 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:36 |
|---|---|
| Enthalten in: |
Inorganic chemistry - 36(1997), 16 vom: 30. Juli, Seite 3429-3433 |
| Sprache: |
Englisch |
|---|
| Beteiligte Personen: |
Costes, J.-P. [VerfasserIn] |
|---|
| Themen: |
|---|
| Anmerkungen: |
Date Revised 20.11.2019 published: Print Citation Status PubMed-not-MEDLINE |
|---|
| Förderinstitution / Projekttitel: |
|
|---|
| PPN (Katalog-ID): |
NLM115647988 |
|---|
| LEADER | 01000naa a22002652 4500 | ||
|---|---|---|---|
| 001 | NLM115647988 | ||
| 003 | DE-627 | ||
| 005 | 20231222172615.0 | ||
| 007 | cr uuu---uuuuu | ||
| 008 | 231222s1997 xx |||||o 00| ||eng c | ||
| 028 | 5 | 2 | |a pubmed24n0386.xml |
| 035 | |a (DE-627)NLM115647988 | ||
| 035 | |a (NLM)11670017 | ||
| 040 | |a DE-627 |b ger |c DE-627 |e rakwb | ||
| 041 | |a eng | ||
| 100 | 1 | |a Costes, J.-P. |e verfasserin |4 aut | |
| 245 | 1 | 2 | |a A General Route to Strictly Dinuclear Cu(II)/Ln(III) Complexes. Structural Determination and Magnetic Behavior of Two Cu(II)/Gd(III) Complexes |
| 264 | 1 | |c 1997 | |
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a ƒaComputermedien |b c |2 rdamedia | ||
| 338 | |a ƒa Online-Ressource |b cr |2 rdacarrier | ||
| 500 | |a Date Revised 20.11.2019 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Starting from a single precursor, bis(3-methoxysalicylaldehydato)copper (II), which contains an O(4)Cu chromophore, three routes to discrete dinuclear Cu(II)/Ln(III) complexes (Ln = Pr, Eu, Gd, Yb) are described. The pairs of chromophores occurring in the resulting complexes are either O(4)Cu/O(4)Ln or O(2)N(2)Cu/O(4)Ln, the coordination sphere of the Ln ions being completed, in both cases, with six oxygen atoms afforded by three nitrato ions. Two Cu/Gd complexes involving either two tridentate ligands (2) or one hexadentate ligand (7) have been structurally characterized. They crystallize in the monoclinic space groups P2(1)/n (No. 14) (2) and P2(1)/c (No. 14) (7). The cell parameters are a = 9.7185(7) Å, b = 16.7839(12) Å, c = 14.8868(8) Å, beta = 97.445(5) degrees, and Z = 4 (2) and a = 9.7656(9) Å, b = 19.889(2) Å, c = 15.870(2) Å, beta = 95.512(9) degrees, and Z = 4 (7) respectively. The magnetic properties of six Cu/Ln complexes have been determined. A quantitative analysis of the magnetic properties of the Cu/Gd complexes shows that the interaction is of the ferromagnetic type with a J constant varying from 4.8 to 7.0 cm(-)(1). The decrease of the interaction parallels the variation of the dihedral angle between the two halves (OCuO and OGdO) of the bridging core | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Dahan, F. |e verfasserin |4 aut | |
| 700 | 1 | |a Dupuis, A. |e verfasserin |4 aut | |
| 700 | 1 | |a Laurent, J.-P. |e verfasserin |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Inorganic chemistry |d 1966 |g 36(1997), 16 vom: 30. Juli, Seite 3429-3433 |w (DE-627)NLM110650298 |x 1520-510X |7 nnns |
| 773 | 1 | 8 | |g volume:36 |g year:1997 |g number:16 |g day:30 |g month:07 |g pages:3429-3433 |
| 912 | |a GBV_USEFLAG_A | ||
| 912 | |a GBV_NLM | ||
| 951 | |a AR | ||
| 952 | |d 36 |j 1997 |e 16 |b 30 |c 07 |h 3429-3433 | ||