Research Article
Synthesis, Characterization, and Structural Assessment of Ni(II) Complexes Derived from Bis(2-hydroxy-1-naphthaldehyde)succinoyldihydrazone
Table 2
Ligand field parameters for Ni(II) complexes derived from bis(2-hydroxy-1-naphthaldehyde)succinoyldihydrazone.
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Serial number | Complex | → (F) | → (F) |
Dq (cm−1) | ν2/ν1 | (cm−1) | β | β° (%) |
LFSE (kcal mol−1) | (ν1) | (ν2) | nm | cm−1 | nm | cm−1 |
| 1 | [Ni(H2nsh)(H2O)2] | 845 | 11834 | 564 | 17730 | 1183.4 | 1.498 | 653.57 | 0.6278 | 37.22 | 40.66 | 2 | [Ni(H2nsh)(py)2]·2H2O | 842 | 11876 | 562 | 17794 | 1187.6 | 1.4983 | 656.09 | 0.6302 | 36.98 | 40.80 | 3 | [Ni(H2nsh)(2-pic)2] | 847 | 11806 | 564 | 17730 | 1180.6 | 1.5017 | 659.79 | 0.6338 | 36.62 | 40.56 | 4 | [Ni(H2nsh)(3-pic)2]·2H2O | 846 | 11820 | 563 | 17762 | 1182 | 1.5027 | 662.63 | 0.6365 | 36.35 | 40.61 | 5 | [Ni(H2nsh)(4-pic)2] | 842 | 11876 | 561 | 17825 | 1187.6 | 1.5009 | 661.81 | 0.6357 | 36.43 | 40.80 | 6 | [Ni2(nsh)(H2O)4]·H2O | 843 | 11862 | 562 | 17794 | 1186.2 | 1.5001 | 659.18 | 0.6332 | 36.68 | 40.75 | 7 | [Ni2(nsh)(py)4]·4H2O | 848 | 11792 | 564 | 17730 | 1179.2 | 1.5035 | 662.95 | 0.6368 | 36.32 | 40.51 | 8 | [Ni2(nsh)(2-pic)4]·4H2O | 849 | 11779 | 565 | 17699 | 1177.9 | 1.5025 | 660.07 | 0.6341 | 36.59 | 40.47 | 9 | [Ni2(nsh)(3-pic)4]·4H2O | 850 | 11765 | 566 | 17606 | 1176.5 | 1.4964 | 645.98 | 0.6205 | 37.95 | 40.42 | 10 | [Ni2(nsh)(4-pic)4]·4H2O | 844 | 11848 | 563 | 17762 | 1184.8 | 1.4991 | 656.37 | 0.6302 | 36.98 | 40.70 |
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