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通过氢魔角旋转核磁共振（H MAS NMR）、碳交叉极化魔角旋转核磁共振（C CP MAS NMR）和氮核磁共振（N NMR）对有机-无机杂化化合物（CHNH）MCl（M = Cu和Zn）中阳离子的离子动力学进行研究。

Ionic dynamics of the cation in organic-inorganic hybrid compound (CHNH)MCl (M = Cu and Zn) by H MAS NMR, C CP MAS NMR, and N NMR.

作者信息

Lim Ae Ran

机构信息

Analytical Laboratory of Advanced Ferroelectric Crystals, Jeonju University Jeonju 55069 Korea

Department of Science Education, Jeonju University Jeonju 55069 Korea.

出版信息

RSC Adv. 2018 May 22;8(33):18656-18662. doi: 10.1039/c8ra02363h. eCollection 2018 May 17.

DOI:10.1039/c8ra02363h
PMID:35541117
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9080580/
Abstract

The ionic dynamics of (CHNH)MCl (M = Cu, Zn) by H magic-angle spinning (MAS) nuclear magnetic resonance (NMR), C cross-polarization (CP) MAS NMR, and N NMR are investigated as a function of temperature with a focus on the role of the CHNH cation. The molecular motions in (CHNH)MCl are also discussed based on the H spin-lattice relaxation time in the rotating coordinate frame . From the H results, the activation energies for the tumbling motion of H for CH and NH were similar, and the uniaxial rotations occurred within a large temperature range. The molecular motions for C and N of the main chain in the CHNH cation were rigid, whereas those for H of the side chain in the CHNH cation were very free at high temperatures. provides insight into the changes in the cation reorientation rates induced by heating at high temperatures.

摘要

通过氢魔角旋转（MAS）核磁共振（NMR）、碳交叉极化（CP）MAS NMR和氮NMR研究了(CHNH)MCl（M = Cu、Zn）的离子动力学随温度的变化，重点关注CHNH阳离子的作用。还基于旋转坐标系中的氢自旋晶格弛豫时间讨论了(CHNH)MCl中的分子运动。从氢的结果来看，CH和NH的氢翻滚运动的活化能相似，并且在较大温度范围内发生单轴旋转。CHNH阳离子主链中碳和氮的分子运动是刚性的，而CHNH阳离子侧链中氢的分子运动在高温下非常自由。这有助于深入了解高温加热引起的阳离子重新定向速率的变化。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0b7/9080580/45f91593b7e3/c8ra02363h-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0b7/9080580/6587f982b9aa/c8ra02363h-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0b7/9080580/bb7d904c9019/c8ra02363h-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0b7/9080580/c0af1044266c/c8ra02363h-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0b7/9080580/462580d05444/c8ra02363h-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0b7/9080580/0e1f3e655dd4/c8ra02363h-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0b7/9080580/36ca207781c9/c8ra02363h-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0b7/9080580/67a4d464b78d/c8ra02363h-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0b7/9080580/78abd960856c/c8ra02363h-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0b7/9080580/45f91593b7e3/c8ra02363h-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0b7/9080580/6587f982b9aa/c8ra02363h-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0b7/9080580/bb7d904c9019/c8ra02363h-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0b7/9080580/c0af1044266c/c8ra02363h-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0b7/9080580/462580d05444/c8ra02363h-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0b7/9080580/0e1f3e655dd4/c8ra02363h-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0b7/9080580/36ca207781c9/c8ra02363h-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0b7/9080580/67a4d464b78d/c8ra02363h-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0b7/9080580/78abd960856c/c8ra02363h-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e0b7/9080580/45f91593b7e3/c8ra02363h-f9.jpg

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