Guided Ideographic Spin System Model Optimization

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Simulation: simulation_1

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pKa (R. Williams)

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2-[4-(Trifluoromethoxy)phenyl]acetic acid

Simulation outputs:

InChI=1S/C9H7F3O3/c10-9(11,12)15-7-3-1-6(2-4-7)5-8(13)14/h1-4H,5H2,(H,13,14) Parameter Value
Field strength 600.01(MHz)
RMSD of the fit 0.02289
Temperature 298 K
pH 7.4
InChI InChI=1S/C9H7F3O3/c10-9(11,12)15-7-3-1-6(2-4-7)5-8(13)14/h1-4H,5H2,(H,13,14)
Note 1 18,19?16,17

Sample description:

Compound Type Concentration
2-[4-(Trifluoromethoxy)phenyl]acetic acid 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

16 17 18 19 20 21
16 7.334 1.5 8.258 0 0 0
17 0 7.334 0 8.258 0 0
18 0 0 7.276 1.5 0 0
19 0 0 0 7.276 0 0
20 0 0 0 0 3.536 -14.0
21 0 0 0 0 0 3.536

Spectra

Select field strength to view simulated spectra and peak lists (standard and GSD): Autoscale

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PPM Amplitude Peak Type
1.0 standard
0.366167 standard
0.561441 standard
0.560863 standard
0.366661 standard
0.5143 standard
1.0 standard
0.540933 standard
1.0 standard
0.598222 standard
1.0 standard
0.644519 standard
0.0791113 standard
1.0 standard
0.079093 standard
0.704167 standard
0.0930154 standard
1.0 standard
0.0930772 standard
1.0 standard
0.223854 standard
0.779252 standard
0.778705 standard
0.223598 standard
1.0 standard
0.284608 standard
0.664795 standard
0.664085 standard
0.284575 standard
1.0 standard
0.322532 standard
0.611728 standard
0.610238 standard
0.322283 standard
1.0 standard
0.347148 standard
0.580818 standard
0.578937 standard
0.34849 standard
1.0 standard
0.366167 standard
0.561444 standard
0.560866 standard
0.366661 standard
1.0 standard
0.378691 standard
0.547771 standard
0.546005 standard
0.379875 standard
1.0 standard
0.386038 standard
0.542206 standard
0.543091 standard
0.384482 standard
1.0 standard
0.390413 standard
0.536783 standard
0.537746 standard
0.389442 standard
1.0 standard
0.397598 standard
0.528983 standard
0.528983 standard
0.397598 standard
1.0 standard
0.401714 standard
0.526493 standard
0.524385 standard
0.402054 standard
1.0 standard
0.405391 standard
0.521424 standard
0.521166 standard
0.402818 standard
1.0 standard
0.417051 standard
0.507709 standard
0.510918 standard
0.41578 standard
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