Results 1 to 10 of about 2,861,082 (242)
Measurements of Nuclear Magnetic Shielding in Molecules [PDF]
The origin of nuclear magnetic shielding in diamagnetic molecules is discussed, pointing out various contributions to the shielding from electrons and the effects of intra- and intermolecular interactions.
Karol Jackowski, Marcin Wilczek
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Probing Nuclear Dipole Moments and Magnetic Shielding Constants through 3-Helium NMR Spectroscopy
Multinuclear NMR studies of the gaseous mixtures that involve volatile compounds and 3He atoms are featured in this review. The precise analyses of 3He and other nuclei resonance frequencies show linear dependencies on gas density.
Włodzimierz Makulski
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Nuclear Dipole Moments and Shielding Constants of Light Nuclei Measured in Magnetic Fields
Nuclear magnetic resonance (NMR) is a branch of spectroscopy commonly used for identifying the chemical structure of various materials. One of the areas in which NMR provides accurate data is the determination of nuclear magnetic moments.
Włodzimierz Makulski +2 more
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Spatial Contributions to 1H NMR Chemical Shifts of Free-Base Porphyrinoids
A recently developed methodology for calculating, analyzing, and visualizing nuclear magnetic shielding densities is used for studying spatial contributions including ring-current contributions to 1H nuclear magnetic resonance (NMR) chemical shifts of ...
Heike Fliegl +3 more
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Accurate determination of 6,7Li nuclear magnetic moments
We report an accurate determination of the nuclear magnetic dipole moments of 6,7Li from the measured ratio of the nuclear and the electron g-factors in atomic Li.
Krzysztof Pachucki +2 more
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This study explores the nuclear magnetic shielding, chemical shifts, and the optoelectronic properties of the BiMnVO5 compound using the full-potential linearized augmented plane wave method within the generalized gradient approximation by employing the ...
H. A. Rahnamaye Aliabad +5 more
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Passive and active shielding against electromagnetic radiation [PDF]
In nuclear physics experiments, it is very important to isolate the measured quantities from electromagnetic noise. Without this possibility, it is impossible to obtain usable experimental results since natural electromagnetic noise can be ...
Đekić Saša B. +4 more
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Experiment on determination of ethanol chemical shift and concentration of ethanol solution based on nuclear magnetic resonance instrument [PDF]
In this designing experiment, a nuclear magnetic resonance instrument was used to study the chemical shift properties of ethanol based on the principle of magnetic shielding effect.
Liang Xinyi
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Theoretical results for the magnetic shielding of protonated and unprotonated nitrogens of eumelanin building blocks including monomers, dimers, and tetramers in gas phase and water are presented. The magnetic property in water was determined by carrying
Leonardo Bruno Assis Oliveira +2 more
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Magnetic Aromaticity of Cycloporphyrin Nanorings
The ascertainment of magnetic aromaticity is not necessarily straightforward, especially for large and bent systems, such as the cycloporphyrin nanorings recently synthesized by the group of Anderson.
Alessandro Landi +2 more
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