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Synthesis and Structure of Chromium(II) Complexes Supported by Both a β-Diketiminate and an Amidinate Ligand

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Abstract

The complexes (bis(2,6-diisopropylphenyl)pentane-2,4-ketiminato)(μ2-diisopropylacetamidinato) chromium(II) (1) and (bis(2,6-diisopropylphenyl)pentane-2,4-ketiminato)(μ2-dicyclohexylacetamidinato) chromium(II) (2) have been synthesized and structurally characterized. Complex 1 crystallizes in space group Pbcn with crystal cell parameters a = 10.7183(13) Å, b = 16.4093(19) Å, c = 20.687(2) Å, V = 3,638.3(7) Å3 and Z = 4. Complex 2 crystallizes in triclinic space group P-1 with crystal cell parameters a = 10.750(3) Å, b = 12.174(3) Å, c = 16.308(4) Å, α = 75.903(4)°, β = 82.137(4)°, γ = 85.511(4), V = 2,048.4(8) Å3 and Z = 2. The complexes adopt a spiro distorted square planar geometry and have similar structural parameters.

Graphical Abstract

Two complexes that each possesses both a β-diketiminate and an amidinate ligand were synthesized and structurally characterized.

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Acknowledgments

This research was supported by NSF (CHE-0616375) and DOE (DE-FG02-92ER14273).

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Authors and Affiliations

  1. Department of Chemistry and Biochemistry, University of Delaware, Newark, DE, 19716, USA

    Wesley H. Monillas, Glenn P. A. Yap & Klaus H. Theopold

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  1. Wesley H. Monillas
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  2. Glenn P. A. Yap
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  3. Klaus H. Theopold
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Correspondence to Glenn P. A. Yap.

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Monillas, W.H., Yap, G.P.A. & Theopold, K.H. Synthesis and Structure of Chromium(II) Complexes Supported by Both a β-Diketiminate and an Amidinate Ligand. J Chem Crystallogr 39, 849–852 (2009). https://doi.org/10.1007/s10870-009-9621-1

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