Dynamic 1H NMR Studies of Schiff Base Derivatives

被引：2
|
作者：
Koylu, M. Z. [1 ]
Ekinci, A. [2 ]
Boyukata, M. [3 ]
Temel, H. [1 ]
机构：
[1] Dicle Univ, Diyarbakir, Turkey
[2] Siirt Univ, Siirt, Turkey
[3] Bozok Univ, Yozgat, Turkey
来源：
JOURNAL OF APPLIED SPECTROSCOPY | 2016年 / 82卷 / 06期
关键词：
NMR; Schiff base; T-1 and T-2 relaxation time; activation energy; correlation time; NUCLEAR-MAGNETIC-RESONANCE; RATE CONSTANTS; COMPLEXES; RELAXATION; COPPER(II); NICKEL(II); COBALT(II);
D O I：
10.1007/s10812-016-0202-8
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
The spin-lattice relaxation time T (1) and the spin-spin relaxation time T (2) of two Schiff base derivatives, N,N'-ethylenebis(salicylidene)-1,2-diaminoethane (H2L1) and N,N'-ethylenebis (salicylidene)-1,3-diaminopropane (H2L2), in DMSO-d(6) solvent were studied as a function of temperature in the range of 20-50A degrees C using a Bruker Avance 400.132 MHz H-1 NMR spectrometer. Based on the activation energy (E (a)) and correlation time (tau(c)), we believe that the Schiff base derivatives perform a molecular tumbling motion.
引用
收藏
页码：905 / 909
页数：5
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