Phase-Matching Second-Harmonic Generation in Zero-Dimensional Zinc Thiocyanates Ligated with Chiral Amino Acids

IF 4.3 2区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Pub Date : 2025-04-17 DOI:10.1021/acs.inorgchem.5c01052

Qinglan Zhong, Gangji Yi, Juan Cheng, Xin Wang, Guohong Zou, Ling Huang, Zhien Lin

引用次数: 0

Abstract

Two organic–inorganic hybrid solids, namely, Zn(SCN)₂(L-C₉H₁₁NO₂)₂ (1) and Zn₄(SCN)₄(L-C₅H₈NO₃)₄(H₂O)₄ (2), were synthesized by incorporating chiral amino acids into the zinc thiocyanate system. Compound 1 crystallizes as a monomeric complex in the noncentrosymmetric space group P2₁, while compound 2 features a circular tetrameric structure crystallized in the noncentrosymmetric space group P2₁2₁2. Both compounds exhibit phase-matching second-harmonic generation (SHG) responses, which are 1.4 and 3.1 times that of KH₂PO₄, respectively. Theoretical calculations were conducted to determine the source of their SHG responses.

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与手性氨基酸连接的零维硫氰酸锌的相匹配二次谐波生成

将手性氨基酸掺入硫氰酸锌体系中，合成了Zn(SCN)2(L-C9H11NO2)2(1)和Zn4(SCN)4(L-C5H8NO3)4(H2O)4(2)两种有机无机杂化固体。化合物1在非中心对称空间群P21中结晶为单体配合物，而化合物2在非中心对称空间群P21212中结晶为圆形四聚体结构。两种化合物均表现出相匹配的二次谐波（SHG）响应，分别是KH2PO4的1.4倍和3.1倍。进行了理论计算，以确定其SHG响应的来源。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Inorganic Chemistry 化学-无机化学与核化学

CiteScore

7.60

自引率

13.00%

发文量

1960

审稿时长

1.9 months

期刊介绍： Inorganic Chemistry publishes fundamental studies in all phases of inorganic chemistry. Coverage includes experimental and theoretical reports on quantitative studies of structure and thermodynamics, kinetics, mechanisms of inorganic reactions, bioinorganic chemistry, and relevant aspects of organometallic chemistry, solid-state phenomena, and chemical bonding theory. Emphasis is placed on the synthesis, structure, thermodynamics, reactivity, spectroscopy, and bonding properties of significant new and known compounds.