Research Article
Synthesis and Characterisation of New Symmetrical Binucleating Ligands and Their Binuclear Copper(II) Complexes
Table 3
ESR spectral and magnetic data for the complexesa.
| | No. | Complexes | /Cu at 298 K | −2 J/cm−1 | -values | P | A | from ESR | | |
| | 1 | Cu2L1(OAc)ClO4·2H2O | 1.56 | 26 | 2.20 | 0.003 | — | — | — | | 2 | Cu2L2(OAc)ClO4·2H2O | 1.52 | 38 | 2.20 | 0.003 | — | — | — | | 3 | Cu2L1(Benz)ClO4·2H2O | 1.45 | 53 | 2.20 | 0.001 | — | — | — | | 4 | Cu2L2(Benz)ClO4·2H2O | 1.50 | 48 | 2.20 | 0.002 | — | — | — | | 5 | Cu2L1Cl2·2H2O | 1.72 | — | — | — | 165 | 2.17 | 2.05 | | 6 | Cu2L2Cl2·2H2O | 1.73 | — | — | — | 170 | 2.23 | 2.10 | | 7 | Cu2L1(ClO4)2·2H2O | 1.71 | — | — | — | 160 | 2.20 | 2.10 | | 8 | Cu2L2(ClO4)2·2H2O | 1.72 | — | — | — | 160 | 2.22 | 2.09 |
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has been fixed as cm3/mole for all magnetic simulations.
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