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)

Ethyl 4-methoxyphenylacetate

Simulation outputs:

InChI=1S/C11H14O3/c1-3-14-11(12)8-9-4-6-10(13-2)7-5-9/h4-7H,3,8H2,1-2H3 Parameter Value
Field strength 600.01(MHz)
RMSD of the fit 0.01671
Temperature 298 K
pH 7.4
InChI InChI=1S/C11H14O3/c1-3-14-11(12)8-9-4-6-10(13-2)7-5-9/h4-7H,3,8H2,1-2H3
Note 1 23,24?25,26

Sample description:

Compound Type Concentration
Ethyl 4-methoxyphenylacetate 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

15 16 17 18 19 20 21 22 23 24 25 26 27 28
15 1.233 -14.0 -14.0 0 0 0 7.352 7.352 0 0 0 0 0 0
16 0 1.233 -14.0 0 0 0 7.352 7.352 0 0 0 0 0 0
17 0 0 1.233 0 0 0 7.352 7.352 0 0 0 0 0 0
18 0 0 0 3.828 5.76 5.76 0 0 0 0 0 0 0 0
19 0 0 0 0 3.829 5.76 0 0 0 0 0 0 0 0
20 0 0 0 0 0 3.829 0 0 0 0 0 0 0 0
21 0 0 0 0 0 0 4.163 -14.0 0 0 0 0 0 0
22 0 0 0 0 0 0 0 4.163 0 0 0 0 0 0
23 0 0 0 0 0 0 0 0 6.994 1.5 8.872 0 0 0
24 0 0 0 0 0 0 0 0 0 6.994 0 8.872 0 0
25 0 0 0 0 0 0 0 0 0 0 7.267 1.5 0 0
26 0 0 0 0 0 0 0 0 0 0 0 7.267 0 0
27 0 0 0 0 0 0 0 0 0 0 0 0 3.676 -14.0
28 0 0 0 0 0 0 0 0 0 0 0 0 0 3.676

Spectra

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

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PPM Amplitude Peak Type
0.261974 standard
0.511809 standard
0.261907 standard
0.67124 standard
1.00002 standard
0.0898808 standard
0.257319 standard
0.258149 standard
0.0898102 standard
0.269977 standard
0.300128 standard
0.300128 standard
0.269977 standard
0.203966 standard
0.46529 standard
0.262109 standard
0.673952 standard
1.0 standard
0.247795 standard
0.215805 standard
0.0676601 standard
0.106924 standard
0.476517 standard
0.476507 standard
0.106875 standard
0.229116 standard
0.491068 standard
0.266763 standard
0.672828 standard
1.0 standard
0.108036 standard
0.253242 standard
0.235938 standard
0.0766121 standard
0.151253 standard
0.418384 standard
0.418522 standard
0.151238 standard
0.241053 standard
0.498711 standard
0.264703 standard
0.670725 standard
1.0 standard
0.0976411 standard
0.254115 standard
0.244889 standard
0.0812792 standard
0.178628 standard
0.387423 standard
0.387419 standard
0.17862 standard
0.246138 standard
0.501122 standard
0.263285 standard
0.671397 standard
1.0 standard
0.095531 standard
0.253423 standard
0.248623 standard
0.083375 standard
0.18941 standard
0.376099 standard
0.376096 standard
0.189403 standard
0.248845 standard
0.50274 standard
0.262171 standard
0.67044 standard
1.0 standard
0.0941019 standard
0.253002 standard
0.25067 standard
0.0845622 standard
0.198002 standard
0.367531 standard
0.367291 standard
0.197974 standard
0.258775 standard
0.507749 standard
0.259761 standard
0.668473 standard
1.0 standard
0.0892452 standard
0.254837 standard
0.256448 standard
0.0890881 standard
0.239757 standard
0.326678 standard
0.326677 standard
0.239755 standard
0.26021 standard
0.509587 standard
0.260297 standard
0.668393 standard
1.00001 standard
0.0893654 standard
0.256176 standard
0.25652 standard
0.0891779 standard
0.253483 standard
0.312458 standard
0.312458 standard
0.253482 standard
0.260837 standard
0.5101 standard
0.260591 standard
0.668952 standard
1.00001 standard
0.0894469 standard
0.256865 standard
0.25708 standard
0.0894057 standard
0.261002 standard
0.305887 standard
0.305887 standard
0.261002 standard
0.261478 standard
0.511146 standard
0.261255 standard
0.670106 standard
1.00001 standard
0.0895068 standard
0.257345 standard
0.257689 standard
0.0896651 standard
0.265639 standard
0.30276 standard
0.302749 standard
0.266636 standard
0.261971 standard
0.512192 standard
0.26201 standard
0.671513 standard
1.00002 standard
0.0899229 standard
0.25785 standard
0.258193 standard
0.0898454 standard
0.270087 standard
0.300251 standard
0.300251 standard
0.270087 standard
0.262885 standard
0.514796 standard
0.262969 standard
0.674069 standard
1.00048 standard
0.0901524 standard
0.258888 standard
0.259155 standard
0.0902389 standard
0.273218 standard
0.299178 standard
0.299178 standard
0.273217 standard
0.263542 standard
0.515326 standard
0.263326 standard
0.675091 standard
1.00054 standard
0.09039 standard
0.259452 standard
0.259444 standard
0.0902169 standard
0.273964 standard
0.298628 standard
0.298611 standard
0.275566 standard
0.264047 standard
0.516486 standard
0.263894 standard
0.676123 standard
1.0006 standard
0.0905027 standard
0.259544 standard
0.259752 standard
0.0905449 standard
0.277006 standard
0.299895 standard
0.29797 standard
0.275219 standard
0.264539 standard
0.517677 standard
0.265088 standard
0.678284 standard
1.00074 standard
0.0906639 standard
0.260835 standard
0.260559 standard
0.0906824 standard
0.28094 standard
0.294661 standard
0.294661 standard
0.28094 standard
0.265527 standard
0.519032 standard
0.265545 standard
0.67977 standard
1.00081 standard
0.0910349 standard
0.261466 standard
0.261673 standard
0.091036 standard
0.28242 standard
0.296054 standard
0.293984 standard
0.282443 standard
0.265422 standard
0.52032 standard
0.266107 standard
0.681162 standard
1.00088 standard
0.091236 standard
0.262219 standard
0.262148 standard
0.091234 standard
0.282454 standard
0.294907 standard
0.295447 standard
0.281942 standard
0.269534 standard
0.527144 standard
0.269534 standard
0.689904 standard
1.00133 standard
0.0923369 standard
0.264603 standard
0.264621 standard
0.0919976 standard
0.293247 standard
0.293929 standard
0.296229 standard
0.293343 standard
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