Bis(1,10-phenanthrolin-1-ium) tetrachloridozincate monohydrate

Abstract

In the crystal structure of the title compound, (C12H9N2)2[ZnCl4]·H2O, the two independent 1,10-phenanthrolinium cations are bridged by the water mol­ecule and the tetrahedral tetrachloridozincate anion via N—H⋯O, O—H⋯Cl and N—H⋯Cl hydrogen bonds, forming chains along [100]. The chains are linked via C—H⋯Cl hydrogen bonds and a number of π–π inter­actions [centroid–centroid distances vary from 3.5594 (14) to 3.7057 (13) Å], forming a three-dimensional network. In each 1,10-phenanthrolinium cation, there is a short N—H⋯N inter­action.

Influence of Aromatic Cations on the Structural Arrangement of Hg(II) Halides

“…In two previously reported closely related case studies, the mono- or diprotonated 1,10-phenantrolines in (phenH) 2 [ZnCl 4 ]·H 2 O or (phenH 2 ) 2 Pb 3 I 10 ·2H 2 O also interact through water molecules rather than directly with the corresponding halogen atoms. , There are precedents demonstrating the strength of the Cl···H 2 O interaction . In addition, (HgCl 4 ) 2– anions are surrounded by six (1,10-Hphen) + cations stacked in pairs by reciprocal π···π interactions (Figure b) and associated with the anion via combination of C–H···Cl and N–H···Cl.…”

“…In two previously reported closely related case studies, the m ono -or d ipro tonated 1,10-phenantrolines in (phenH) 2 [ZnCl 4 ]•H 2 O or (phenH 2 ) 2 Pb 3 I 10 •2H 2 O also interact through water molecules rather than directly with the corresponding halogen atoms. 2,43 There are precedents demonstrating the strength of the Cl•••H 2 O interaction. 44 6).…”