Facile Synthetic Method of Na[BH<sub>3</sub>(NH<sub>2</sub>BH<sub>2</sub>)<sub>2</sub>H] Based on the Reactions of Sodium\nAmidoborane (NaNH<sub>2</sub>BH<sub>3</sub>) with NiBr<sub>2</sub> or CoCl<sub>2</sub>
Ming-Yue Ju (10319682)Yu Guo (102701)Xi-Meng Chen (5228075)Xuenian Chen (842047)
Abstract
The\nreactions of sodium amidoborane (NaNH<sub>2</sub>BH<sub>3</sub>) with\nNiBr<sub>2</sub> have been investigated, and the results showed\nthat black precipitate <b>1</b> including the NiBNH<sub>x</sub> composites could be obtained. From the aqueous solution of the precipitate <b>1</b>, the hydrolysis product Ni–B (<b>2</b>) was\nisolated and characterized. Both the in situ formed precipitate <b>1</b> and the hydrolysis product <b>2</b> can catalyze the\nformation of Na[BH<sub>3</sub>(NH<sub>2</sub>BH<sub>2</sub>)<sub>2</sub>H]. CoCl<sub>2</sub> showed comparable performance with NiBr<sub>2</sub>. Based on these results, a facile method for the synthesis\nof Na[BH<sub>3</sub>(NH<sub>2</sub>BH<sub>2</sub>)<sub>2</sub>H] has\nbeen developed. This work provides insights into studying experimental\nmethods for the synthesis of long B/N chain complexes and developing\nboron and nitrogen chemistry.
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