Guided Ideographic Spin System Model Optimization

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Simulation: simulation_1

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pKa (R. Williams)

1H NMR (Hans J. Reich)

N-(4-fluorobenzyl)urea

Simulation outputs:

InChI=1S/C8H9FN2O/c9-7-3-1-6(2-4-7)5-11-8(10)12/h1-4H,5H2,(H3,10,11,12) Parameter Value
Field strength 600.01(MHz)
RMSD of the fit 0.01939
Temperature 298 K
pH 7.4
InChI InChI=1S/C8H9FN2O/c9-7-3-1-6(2-4-7)5-11-8(10)12/h1-4H,5H2,(H3,10,11,12)
Note 1 13,14?15,16
Additional coupling constants
Spin Coupling constant
13 5.334
14 5.334
15 9.903
16 9.903

Sample description:

Compound Type Concentration
N-(4-fluorobenzyl)urea Solute 75uM
DSS Reference 15uM
bis-Tris-d19 Buffer 11mM
NaCl . 150mM
NaN3 . 0.04%.
Na Formate . 200uM
Show/Hide Spin System Matrix

Spin System Matrix

13 14 15 16 17 18
13 7.317 1.5 8.537 0 0 0
14 0 7.317 0 8.537 0 0
15 0 0 7.115 1.5 0 0
16 0 0 0 7.115 0 0
17 0 0 0 0 4.271 -14.0
18 0 0 0 0 0 4.271

Spectra

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PPM Amplitude Peak Type
1.0 standard
0.226603 standard
0.395048 standard
0.249711 standard
0.268902 standard
0.322497 standard
0.317866 standard
0.246579 standard
1.0 standard
0.0872641 standard
0.396702 standard
0.388711 standard
0.494184 standard
0.105272 standard
0.0143801 standard
1.0 standard
0.117468 standard
0.351103 standard
0.506831 standard
0.33425 standard
0.135149 standard
1.0 standard
0.139239 standard
0.354118 standard
0.445536 standard
0.309333 standard
0.157218 standard
1.0 standard
0.147457 standard
0.356279 standard
0.351892 standard
0.332562 standard
0.306434 standard
0.165651 standard
1.0 standard
0.154772 standard
0.3592 standard
0.303244 standard
0.304744 standard
0.305789 standard
0.173254 standard
1.0 standard
0.194281 standard
0.377952 standard
0.258495 standard
0.274273 standard
0.312013 standard
0.29906 standard
0.213913 standard
1.0 standard
0.210228 standard
0.385671 standard
0.253321 standard
0.270845 standard
0.316888 standard
0.307734 standard
0.22955 standard
1.0 standard
0.218241 standard
0.391236 standard
0.251903 standard
0.270054 standard
0.320324 standard
0.313025 standard
0.237489 standard
1.0 standard
0.223222 standard
0.394955 standard
0.250092 standard
0.269269 standard
0.322187 standard
0.316992 standard
0.243061 standard
1.0 standard
0.226604 standard
0.39504 standard
0.249712 standard
0.268903 standard
0.322502 standard
0.317873 standard
0.246579 standard
1.0 standard
0.229455 standard
0.399434 standard
0.24935 standard
0.268563 standard
0.32468 standard
0.32092 standard
0.24936 standard
1.0 standard
0.230423 standard
0.401172 standard
0.24901 standard
0.269161 standard
0.325292 standard
0.319962 standard
0.250193 standard
1.0 standard
0.23124 standard
0.397928 standard
0.249976 standard
0.267862 standard
0.324275 standard
0.320805 standard
0.250994 standard
1.0 standard
0.232741 standard
0.403698 standard
0.248777 standard
0.268009 standard
0.327173 standard
0.326859 standard
0.254508 standard
1.0 standard
0.23461 standard
0.398382 standard
0.248778 standard
0.268444 standard
0.325558 standard
0.322915 standard
0.254264 standard
1.0 standard
0.23411 standard
0.401732 standard
0.249148 standard
0.267465 standard
0.326251 standard
0.32627 standard
0.255358 standard
1.0 standard
0.238447 standard
0.410913 standard
0.245574 standard
0.26501 standard
0.328916 standard
0.326881 standard
0.258203 standard
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