<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div>Dear Gromacs Specialists,</div><div><br></div><div>I ran one micelle system and obtained the radius of gyration for this as follows: (g_analyze -f gyrate.xvg -av -ee)<br></div><div><br></div><div> standard --------- cumulants from those of<br>set average deviation sqrt(n-1) a Gaussian
distribition<br> cum. 3 cum. 4<br>SS1 1.811581e+00 1.586248e-02 3.708049e-05 0.399 0.318<br>SS2 1.476027e+00 5.355297e-02 1.251867e-04 0.009 -0.039<br>SS3 1.480446e+00 5.226397e-02 1.221735e-04 0.004 -0.060<br>SS4 1.478287e+00 5.332558e-02 1.246551e-04 -0.005 -0.084<br><br>Set 1:
err.est. 0.000281889 a 0.468124 tau1 20.1606 tau2 308.225<br>Set 2: err.est. 0.0024333 a 0.925872 tau1 536.208 tau2 8592.94<br>Set 3: err.est. 0.00190226 a 0.971916 tau1 544.756 tau2 7044.58<br>Set 4: err.est. 0.00267771 a 0.991392 tau1 629.613 tau2 88302<br><br>The radius of gyration is correct and has agreement with experimental data but it doesn't obey from this formula:</div><div><br></div><pre><i><i>Rg = sqrt (Rx^2 + Ry^2 + Rz^2)</i></i></pre><div><br></div><div>and their error estimates are very small! I have doubt about my data.</div><div>May I ask you to help me, Please?<br></div><div><br></div><div>Thank you very much in advance.</div><div><br></div><div>Best Regards</div><div>Dina<br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div></div></body></html>