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Abstract
The volatile bis(tert-butylimido)-dichloromolybdenum(VI) compounds, (tBuN)2MoCl2·dad (dad = 1,4-di-tert-butyl-1,3-diazabutadiene) (1) and [(tBuN)2MoCl(μ-Cl)·(tBuNH2)]2 (2), form a eutectic, with a two to one composition (χ2 = 0.33). A decrease of 40 °C in the melting temperature has been observed between the eutectic mixture and the pure compounds. We have isolated a co-crystal of (tBuN)2MoCl2·dme (dme = 1,2-dimethoxyethane) (3) and 2, also in a two to one ratio, which serves as a structural model for such mixtures. The lower melting point of carefully chosen eutectic mixtures can offer more consistent precursor delivery in deposition processes.
Supplementary materials
Title
Supplementary Material
Description
Experimental details, DSC curves, TGA plot, 1H NMR spectra, additional crystallographic details and images.
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Title
Atomic Coordinates
Description
Atomic coordinates for compounds 1, 2, and 3, optimized at the BP86/def2-SVP level of theory.
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