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Synthesis, characterization and crystal structures of dipyridyl-N-methylimine and cloro-bis (N,N′-2,2′-dipyridyl-N-methylimine)lithium complex

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Abstract

The preparation and characterization by X-ray crystallography and NMR spectroscopy of the 2,2′-dipyridyl-N-methylimine (dpNmei) and the complex [cloro-bis(N,N′-2,2′-dipyridyl-N-methylimine)]lithium [Li(dpNmei)2(Cl)] is reported. The dpNmei was prepared from the reaction of the 2,2′-dipyridyl ketone (dpk) and methylamine and crystallizes in the monoclinic P21/n space group with a = 6.3887(6), b = 10.1709(10), c = 16.7594(17) (Å), β = 100.918(2)∘ and V = 1069.29(18) Å3. The lithium complex was obtained from the reaction of dpNmei and LiCl in a molar ratio 2:1. [Li(dpNmei)2Cl] crystallizes in the orthorhombic Pbcn space group with a = 10.0092(12), b = 9.8201(12), c = 23.669(3) (Å) and V = 2326.4(5) Å3. The crystallographic data show that the lithium ion is five-coordinated with four coordination bonds N→Li due the chelation of dpNmei and one Li–Cl bond.

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Authors and Affiliations

  1. Centro de Investigaciones Químicas, Universidad Autónoma del Estado de Hidalgo, Ciudad Universitaria, Carretera Pachuca-Tulancingo Km 4.5, Pachuca Hidalgo, C.P., 42076, Máexico

    Benito Flores-Chávez, Bernat Abeit Martínez-Ortega, José Guadalupe Alvarado-Rodríguez & Noemí Andrade-López

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  1. Benito Flores-Chávez
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  2. Bernat Abeit Martínez-Ortega
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  3. José Guadalupe Alvarado-Rodríguez
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  4. Noemí Andrade-López
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Correspondence to Noemí Andrade-López.

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Flores-Chávez, B., Martínez-Ortega, B.A., Alvarado-Rodríguez, J.G. et al. Synthesis, characterization and crystal structures of dipyridyl-N-methylimine and cloro-bis (N,N′-2,2′-dipyridyl-N-methylimine)lithium complex. J Chem Crystallogr 35, 451–456 (2005). https://doi.org/10.1007/s10870-005-2219-3

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  • DOI: https://doi.org/10.1007/s10870-005-2219-3

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