title: Syntheses and Characterization of Chiral Zeolitic Silver Halides Based on 3-Rings.
abstract: The synthesis of chiral zeolites remains a significant challenge because the primary tetrahedral building units are achiral and weak interactions exist between the guest and host frameworks. Here, we present the syntheses and characterization of three new chiral zeolitic halides, [H3(Dabco)2]Ag3X6(X = Br (1) or I (2), Dabco = 1,4-diazabicyclo[2.2.2]octane) and [H2(Dabco)][(Dabco)Ag4I6] (3). Compounds 1 and 2 are isostructural, containing a 4-connected zeolitic framework built up from 3-ring units, with high-charge [H3(Dabco)2]3+located in chiral cages. Compound 3 contains a similar zeolitic [Ag3I6]3-framework to that of 2, but a [Ag(Dabco)]+unit is incorporated in each 3-ring, with [H2(Dabco)]2+located in channels. These frameworks are chiral, representing the first examples of chiral zeolitic halides. The chirality transference of the frameworks for 1 and 2 was attributed to the template effect of the chiral [H3(Dabco)2]3+through strong electrostatic interactions and multiple hydrogen-bond interactions. For compound 3, direct coordination interactions play important roles in the chirality transference from the chiral Dabco ligand to the framework.
authors: Key Laboratory of New Optoelectronic Functional Materials (Henan Province), College of Chemistry and Chemical Engineering, Anyang Normal University , Anyang, 455000, China.
authors: Ren-Chun
authors: RC
authors: Zhang
authors: Key Laboratory of New Optoelectronic Functional Materials (Henan Province), College of Chemistry and Chemical Engineering, Anyang Normal University , Anyang, 455000, China.
authors: Jun-Jie
authors: JJ
authors: Wang
authors: Key Laboratory of New Optoelectronic Functional Materials (Henan Province), College of Chemistry and Chemical Engineering, Anyang Normal University , Anyang, 455000, China.
authors: Bai-Qing
authors: BQ
authors: Yuan
authors: Key Laboratory of New Optoelectronic Functional Materials (Henan Province), College of Chemistry and Chemical Engineering, Anyang Normal University , Anyang, 455000, China.
authors: Jing-Chao
authors: JC
authors: Zhang
authors: Key Laboratory of New Optoelectronic Functional Materials (Henan Province), College of Chemistry and Chemical Engineering, Anyang Normal University , Anyang, 455000, China.
authors: Ling
authors: L
authors: Zhou
authors: Key Laboratory of New Optoelectronic Functional Materials (Henan Province), College of Chemistry and Chemical Engineering, Anyang Normal University , Anyang, 455000, China.
authors: Hai-Bin
authors: HB
authors: Wang
authors: Key Laboratory of New Optoelectronic Functional Materials (Henan Province), College of Chemistry and Chemical Engineering, Anyang Normal University , Anyang, 455000, China.
authors: Dao-Jun
authors: DJ
authors: Zhang
authors: College of Chemistry, Dalian University of Technology , Dalian 116024, China.
authors: Yong-Lin
authors: YL
authors: An