title: 1-Methylpiperazine-1,4-diium 4-nitrophthalate(2-) 4-nitrophthalic acid monohydrate.
abstract: The title adduct, C5H14N2(2+).C8H3NO6(2-).C8H5NO6.H2O, crystallizes in the monoclinic space group P2(1). All O atoms of the 4-nitrophthalate anions and neutral 4-nitrophthalic acid molecules are involved in hydrogen bonding with the piperazine dication and the water molecule of crystallization.
authors.affiliation: College of Materials and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300160, People's Republic of China. guomlin@tjpu.edu.cn
authors.forename: Ming-Lin
authors.initials: ML
authors.lastname: Guo