Syntheses, crystal structures and Hirshfeld surface analysis of 4-(4-nitro-phen-yl)piperazin-1-ium tri-fluoro-acetate and 4-(4-nitro-phen-yl)piperazin-1-ium tri-chloro-acetate

4-(4-硝基苯基)哌嗪-1-鎓三氟乙酸盐和4-(4-硝基苯基)哌嗪-1-鎓三氯乙酸盐的合成、晶体结构及Hirshfeld表面分析