Comparative studies on the contribution of NH⋯S hydrogen bonds in tungsten and molybdenum benzenedithiolate complexes
作者： Taka-aki Okamura , Yui Omi , Yasunori Hirano , Kiyotaka Onitsuka
DOI: 10.1039/C6DT02250B
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摘要: A series of monooxotungsten(IV) and dioxotungsten(VI) benzenedithiolates, (NEt4)2[WIVO(1,2-S2-3-RCONHC6H3)2] (1-W; R = CH3 (a), t-Bu (b), or CF3 (c)) (NEt4)2[WVIO2(1,2-S2-3-RCONHC6H3)2] (2-W), were synthesized compared with the corresponding molybdenum analogues. Single crystals trans-1b-W successfully obtained, crystal structure was determined by X-ray analysis although 1b-Mo could not be crystallized. The NH⋯S hydrogen bonds shifted potential W(IV/V) redox couple to more positive values, strength bond shift value strongly correlated. in both 1-W 2-W weaker than those analogues; however, effect on greater 1-W.
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