File:Karplus.svg

Original file (SVG file, nominally 630 × 630 pixels, file size: 27 KB)

Summary

Description
English: Graph of the Karplus relation 3JHH = 2-cos(φ)+12cos^2(φ) (Minch, M. J. Orientational Dependence of Vicinal Proton-Proton NMR Coupling Constants: The Karplus Relationship. Conc. Magn. Reson. 1994, 6, 41–56, for ethane derivatives).
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Author Gringer
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Source code
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Created using R version 2.14.1 (2011-12-22) with the following script: code

#!/usr/bin/Rscript svg(bg = "transparent"); par(mar=c(4,6,1,1)); curve(2-cos(x * pi/180)+12*cos(x * pi/180)^2, 0, 180,        xlab = expression(phi*group("[",deg,"]")),        ylab = expression({}^3*J[HH]*group("[",Hz,"]")),        bty = 'l', lab = c(6,10,5),        xaxs = "i", yaxs = "i", ylim = c(0,16)); graphics.off();

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I, the copyright holder of this work, hereby publish it under the following license:
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Captions

Graph of the Karplus relation JHH(φ) = 12 cos^2φ - cosφ+2 obtained for ethane derivatives.

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inception

20 February 2012

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Date/TimeThumbnailDimensionsUserComment
current01:30, 20 February 2012Thumbnail for version as of 01:30, 20 February 2012630 × 630 (27 KB)Gringerchanged to transparent bg
01:14, 20 February 2012Thumbnail for version as of 01:14, 20 February 2012630 × 630 (27 KB)Gringer

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