QM-MM ORCA Charm++ error Could not find QM output file

From: Francesco Pietra (chiendarret_at_gmail.com)
Date: Mon Jan 16 2017 - 01:55:38 CST

Hello:

This mail in parallel to previous mail about the same system and same issue
with QM-MM MOPAC.

System of total spin 7 (total six unpaired electrons on two open shell
molecules)

qmConfigLine "! UKS BP86 def2-TZVP def2-TZVP/J KDIIS SOSCF"
qmConfigLine "%%output PrintLevel Mini Print\[ P_Mulliken \] 1
Print\[P_AtCharges_M\] 1 end"
# Multiplicity of the QM region. This is needed for propper
# construction of ORCA's input file.
qmMult "1 7"
The gmConfigLine is the best for transition metals in my experience with
orca)

Folder /0 contains
qmmm_0.input
qmmm_0.input.gbw
qmmm_0.input.pntchrg
qmmm_0.input.prop
qmmm_0.input.TmpOut

The TmpOut file:

Total SCF time: 0 days 1 hours 14 min 18 sec

------------------------- --------------------
FINAL SINGLE POINT ENERGY nan
------------------------- --------------------

                            ***************************************
                            * ORCA property calculations *
                            ***************************************

                                    ---------------------
                                    Active property flags
                                    ---------------------
   (+) Dipole Moment

------------------------------------------------------------------------------
                       ORCA ELECTRIC PROPERTIES CALCULATION
------------------------------------------------------------------------------

Dipole Moment Calculation ... on
Quadrupole Moment Calculation ... off
Polarizability Calculation ... off
GBWName ...
/dev/shm/NAMD_4IEV/0/qmmm_0.input.gbw
Electron density file ...
/dev/shm/NAMD_4IEV/0/qmmm_0.input.scfp.tmp

-------------
DIPOLE MOMENT
-------------
                                X Y Z
Electronic contribution: 4.59465 27.21307 -7.80847
Nuclear contribution : -16.01483 -32.18596 12.99059
                        -----------------------------------------
Total Dipole Moment : -11.42018 -4.97289 5.18211
                        -----------------------------------------
Magnitude (a.u.) : 13.49090
Magnitude (Debye) : 34.29115

Timings for individual modules:

Sum of individual times ... 4508.572 sec (= 75.143 min)
GTO integral calculation ... 8.134 sec (= 0.136 min) 0.2 %
SCF iterations ... 4500.439 sec (= 75.007 min) 99.8 %
                             ****ORCA TERMINATED NORMALLY****
TOTAL RUN TIME: 0 days 1 hours 15 minutes 27 seconds 331 msec

The NAMD log:

TCL: Minimizing for 100 steps
Info: List of ranks running QM simulations: 0.
ERROR: Could not find QM output file!
FATAL ERROR: No such file or directory

i.e, the same error as with MOPAC for the same system. Comparing with the
furnished Example1 - which ended OK also in my hands - I was unable to
catch which file corresponds to the "QM output file" charmm++ is
complaining about.

Thanks for help

francesco pietra

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