Hi everyone, I am facing tremendous frustration with this problem. I am trying to constraint a COLVAR (defined in SUBSYS). The input manual mentioned to include either the MOLNAME or MOLECULE. <div><br /></div><div>I started off using AMBER TOPOLOGY FILES and the initialization stages failed with "<span style="color: rgb(77, 77, 76); font-family: Menlo, monospace-fallback, monospace; caret-color: rgb(0, 0, 0);">|  Error in constraints setup!</span></div><div><div style="caret-color: rgb(0, 0, 0); color: rgb(77, 77, 76); font-family: Menlo, monospace-fallback, monospace;">    |  A constraint has been defined for a molecule type                                                                                                                       </div><div style="caret-color: rgb(0, 0, 0); color: rgb(77, 77, 76); font-family: Menlo, monospace-fallback, monospace;">    |   but the atoms specified in the constraint and the atoms defined for                                                                                                    </div><div style="caret-color: rgb(0, 0, 0); color: rgb(77, 77, 76); font-family: Menlo, monospace-fallback, monospace;">    |   the molecule DO NOT match!                                                                                                                                             </div><div style="caret-color: rgb(0, 0, 0); color: rgb(77, 77, 76); font-family: Menlo, monospace-fallback, monospace;">    |  This could be very probable due to a wrong connectivity, or an error                                                                                                    </div><div style="caret-color: rgb(0, 0, 0); color: rgb(77, 77, 76); font-family: Menlo, monospace-fallback, monospace;">    |   in the constraint specification in the input file.                                                                                                                     </div><div style="caret-color: rgb(0, 0, 0); color: rgb(77, 77, 76); font-family: Menlo, monospace-fallback, monospace;">    |   Please check it carefully! " </div><div style="caret-color: rgb(0, 0, 0); color: rgb(77, 77, 76); font-family: Menlo, monospace-fallback, monospace;"><br /></div>After reading a related post on: https://groups.google.com/g/cp2k/c/IwsUR_RrDbk/m/YYO4fTrQUIwJ , I did a fake run as suggested to dump the PSF and PDB and edited my PSF files to a unique SEGNAME (I decided to change it from MOL9 to SEGS). From the verbose output it looked like this: <span style="color: rgb(77, 77, 76); font-family: Menlo, monospace-fallback, monospace; caret-color: rgb(0, 0, 0);">1228. Molecule kind: _QM_SEGS Number of atoms:             33</span></div><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><div style="color: rgb(77, 77, 76); font-family: Menlo, monospace-fallback, monospace;"><div>                     Atom         Atomic kind name                                                                                                                             </div><div>                        1                       P1                                                                                                                             </div><div>                        2                      O29                                                                                                                             </div><div>                        3                      O29                                                                                                                             </div><div>                        4                      OS5                                                                                                                             </div><div>                        5                       CI                                                                                                                             </div><div>                        6                     H113                                                                                                                             </div><div>                        7                     H113                                                                                                                             </div><div>                        8                     CT26                                                                                                                             </div><div>                        9                     H136                                                                                                                             </div><div>                       10                      OS7                                                                                                                             </div><div>                       11                     CT21                                                                                                                             </div><div>                       12                      H24                                                                                                                             </div><div>                       13                      N*3                                                                                                                             </div><div>                       14                       C1                                                                                                                             </div><div>                       15                      H56                                                                                                                             </div><div>                       16                      NB2                                                                                                                             </div><div>                       17                      CB2                                                                                                                             </div><div>                       18                     CA13                                                                                                                             </div><div>                       19                      N23                                                                                                                             </div><div>                       20                      H17                                                                                                                             </div><div>                       21                      H17                                                                                                                             </div><div>                       22                      NC2                                                                                                                             </div><div>                       23                      CQ2                                                                                                                             </div><div>                       24                      H52                                                                                                                             </div><div>                       25                      NC5                                                                                                                             </div><div>                       26                      CB6                                                                                                                             </div><div>                       27                     CT28                                                                                                                             </div><div>                       28                     H110                                                                                                                             </div><div>                       29                     CT24                                                                                                                             </div><div>                       30                     H126                                                                                                                             </div><div>                       31                      OH5                                                                                                                             </div><div>                       32                      HO3                                                                                                                             </div><div>                       33                      OS4                                                                                                                             </div><div>                                                                                                                                                                               </div><div>        The name was automatically generated: T                                                                                                                                </div><div>        Number of molecules:      1                                                                                                                                            </div><div>        Molecule list:             1228                                                                                                                                        </div><div>        Number of bonds:           36                                                                                                                                          </div><div>        Number of bends:           64       </div></div></span><div><br /></div><div>Below are all the combinations I tried and still got the error: </div><div>MOLNAME: MOL9, _QM_MOL9, SEGS, _QM_SEGS, U (residue name –for the sake of testing)</div><div>MOLECULE: 1228, 9 (becuz MOL9) </div><div><br /></div><div>Can anyone help and tell me what actually do these two keywords need? </div><div>Many Thanks</div>

<p></p>

-- <br />
You received this message because you are subscribed to the Google Groups "cp2k" group.<br />
To unsubscribe from this group and stop receiving emails from it, send an email to <a href="mailto:cp2k+unsubscribe@googlegroups.com">cp2k+unsubscribe@googlegroups.com</a>.<br />
To view this discussion visit <a href="https://groups.google.com/d/msgid/cp2k/6259490d-22f8-42c1-b01c-b2dd93e7ce90n%40googlegroups.com?utm_medium=email&utm_source=footer">https://groups.google.com/d/msgid/cp2k/6259490d-22f8-42c1-b01c-b2dd93e7ce90n%40googlegroups.com</a>.<br />