๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Analysis of the Vorontsova equation for calculation of vicinal coupling constants: Criticism of the criticism of the Karplus equation

โœ Scribed by Krzysztof Jankowski; Andrzej Rabczenko

Publisher
John Wiley and Sons
Year
1977
Tongue
English
Weight
184 KB
Volume
9
Category
Article
ISSN
0749-1581

No coin nor oath required. For personal study only.

โœฆ Synopsis

Abstract

Analysis of the Vorontsova calculation of vicinal coupling constants in terms of angular and chemical shift dependence indicates some serious inconsistencies in this equation.

๐Ÿ“œ SIMILAR VOLUMES

Correlations between molecular parameter
Correlations between molecular parameters and the spinโ€“spin coupling constants of vicinal protons: Criticism of the karplus equations
โœ L. G. Vorontsova; A. F. Bochkov ๐Ÿ“‚ Article ๐Ÿ“… 1974 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 382 KB

## Abstract Conformationally rigid systems such as xylopyranose 1,2,4โ€ortho esters (**1a**) and (**1b**) and 10โ€methoxyโ€6โ€azaโ€isoadamantane (**2**), for which the identity of conformations both in the crystalline state and in solution can reasonably be assumed, provide good models for the study of

Rigidity of the critical point equation
Rigidity of the critical point equation
โœ Seungsu Hwang; Jeongwook Chang; Gabjin Yun ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 119 KB

## Abstract On a compact __n__ โ€dimensional manifold __M__, it was shown that a critical point metric __g__ of the total scalar curvature functional, restricted to the space of metrics with constant scalar curvature of volume 1, satisfies the critical point equation ([5], p. 3222). In 1987 Besse pr

Prediction of Anti and gauche vicinal pr
Prediction of Anti and gauche vicinal proton-proton coupling constants for hexapyranose rings using a generalized karplus equation
โœ C. A. G. Haasnoot; F. A. A. M. De Leeuw; C. Altona ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› Wiley (John Wiley & Sons) โš– 409 KB

## Abstract A new coupling constant โ€ torsion angle relation for the threeโ€bond ^1^Hโ€^1^H spinโ€spin coupling constants is utilized to explore the effect of endocyclic and exocyclic oxygen atoms on Jae, Jee and Jaa in hexapyranoid systems. Attention is paid to common stereochemical surroundings rath

The Critical Exponent of Doubly Singular
The Critical Exponent of Doubly Singular Parabolic Equations
โœ Xinfeng Liu; Mingxin Wang ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 147 KB

In this paper we study the Cauchy problem of doubly singular parabolic equations u t = div โˆ‡u ฯƒ โˆ‡u m + t s x ฮธ u p with non-negative initial data. Here -1 then every non-trivial solution blows up in finite time. But for p > p c a positive global solution exists.