Wang, Shi; Li, Yi Zhi; Zuo, Jing Lin; Li, Cheng Hui; You, Xiao Zeng published an article about the compound: Potassiumtris(1-pyrazolyl)borohydride( cas:18583-60-3,SMILESS:[BH-](N1N=CC=C1)(N2N=CC=C2)N3N=CC=C3.[K+] ).Safety of Potassiumtris(1-pyrazolyl)borohydride. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:18583-60-3) through the article.
The title compound crystallizes in trigonal space group R3̅, with a 22.676(2), c 13.5195(18) Å; the asym. unit comprises 1/2 of an [Fe(Tp)2]+ cation (where Tp = hydrotris(1-pyrazolyl)borato), with its Fe atom on a crystallog. inversion center, and 1/6 of an [Fe(NCS)6]3- anion, on a site of 3̅ symmetry. The anions and cations are stacked into a three-dimensional supramol. aggregate via two distinct types of weak C-H···π interactions.
The article 《Tris{bis[hydrotris(1-pyrazolyl)borato-κ3N2,N2′,N2”]iron(III)} hexaisothiocyanatoferrate(III)》 also mentions many details about this compound(18583-60-3)Safety of Potassiumtris(1-pyrazolyl)borohydride, you can pay attention to it, because details determine success or failure
Reference:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics