title: Oxonium 2-carb-oxy-3-(2-fur-yl)acrylate.
abstract: In the title compound, H(3)O(+)·C(8)H(5)O(5) (-), neighbouring cations and anions are linked by O-H⋯O hydrogen bonds, forming a one-dimensional chain framework along [001]. The crystal structure is further stabilized by π-π inter-actions, with centroid-centroid distances of 3.734 (3) Å.
authors.affiliation: Ordered Matter Science Research Center, College of Chemistry and Chemical Engineering, Southeast University, Nanjing 210096, People's Republic of China.
authors.forename: Wen-Xian
authors.initials: WX
authors.lastname: Liang
authors.forename: Gang
authors.initials: G
authors.lastname: Wang
authors.forename: Zhi-Rong
authors.initials: ZR
authors.lastname: Qu