Syntheses and crystal structures of 4-(4-nitro­phen­yl)piperazin-1-ium benzoate monohydrate and 4-(4-nitro­phen­yl)piperazin-1-ium 2-carb­­oxy-4,6-di­nitro­phenolate

Shankara Prasad, H. J. and Devaraju and Vinaya and Yathirajan, H. S. and Parkin, S. R. and Glidewell, Christopher (2022) Syntheses and crystal structures of 4-(4-nitro­phen­yl)piperazin-1-ium benzoate monohydrate and 4-(4-nitro­phen­yl)piperazin-1-ium 2-carb­­oxy-4,6-di­nitro­phenolate. Acta Crystallographica Section E, 78 (8). pp. 840-845. ISSN 2056-9890

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Abstract

Crystal structures are reported for two mol­ecular salts containing the 4-(4-nitro­phen­yl)piperazin-1-ium cation. Co-crystallization from methanol/ethyl acetate solution of N-(4-nitro­phen­yl)piperazine with benzoic acid gives the benzoate salt, which crystallizes as a monohydrate, C10H14N3O2·C7H5O2·H2O, (I), and similar co-crystallization with 3,5-di­nitro­salicylic acid yields the 2-carb­oxy-4,6-di­nitro­phenolate salt, C10H14N3O2·C7H3N2O7, (II). In the structure of (I), a combination of O—H⋯O, N—H⋯O and C—H⋯O hydrogen bonds links the components into sheets, while in the structure of (II), the supra­molecular assembly, generated by hydrogen bonds of the same types as in (I), is three dimensional. Comparisons are made with the structures of some related compounds.

Item Type:	Article
Uncontrolled Keywords:	piperazine, synthesis, crystal structure, molecular structure, hydrogen bonding, supramolecular assembly
Subjects:	C Chemical Science > Chemistry
Depositing User:	C Swapna Library Assistant
Date Deposited:	01 Aug 2022 09:18
Last Modified:	11 Oct 2023 07:13
URI:	http://eprints.uni-mysore.ac.in/id/eprint/17372

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