[AMBER] antechamber with carbon monoxide

From: Francesco Pietra <chiendarret.gmail.com>
Date: Sat, 6 Feb 2010 11:52:54 +0100

I would appreciate receiving suggestions as to the most likely route
to get prmtop/inpcrd for carbon monoxide with antechamber.

........................
$AMBERHOME/exe/antechamber -i CO.pdb -fi pdb -o CO.mol2 -fo mol2 -c bcc -s 2
Running: /usr/local/amber10/bin/bondtype -j full -i
ANTECHAMBER_BOND_TYPE.AC0 -o ANTECHAMBER_BOND_TYPE.AC -f ac

Warning: the assigned bond types may be wrong, please :
(1) double check the structure (the connectivity) and/or
(2) adjust atom valence penalty parameters in APS.DAT, and/or
(3) increase PSCUTOFF in define.h and recompile bondtype.c
    Be cautious, use a large value of PSCUTOFF (>100) will
significantly increase the computation time

Error: cannot run "/usr/local/amber10/bin/bondtype -j full -i
ANTECHAMBER_BOND_TYPE.AC0 -o ANTECHAMBER_BOND_TYPE.AC -f ac" in
judgebondtype() of antechamber.c properly, exit
.........................................

File atomtype.inf:
====================================================================================
-------------------------------ring property
(I)------------------------------------

====================================================================================
-------------------------------ring property
(II)------------------------------------

====================================================================================
-------------------------------ring property
(III)-----------------------------------
atom[ 1] (C ) is not in any ring (nr[1]=1)
atom[ 2] (O ) is not in any ring (nr[2]=1)

====================================================================================
-------------------------------aromatic
property------------------------------------

====================================================================================
-------------------------------electronic
property----------------------------------
atom [ 1] (C ) is not an electron-withdrew atom
atom [ 2] (O ) is an electron-withdrew atom

====================================================================================
--------------------------------connectivity
property-------------------------------
atom[ 1] (C ) 2 O
atom[ 2] (O ) 1 C
----------------------------------------END-----------------------------------------



Files antechamber_bond_type.ACO and .AC:
CHARGE 0.00 ( 0 )
Formula: C1 O1
ATOM 1 C CMO 155 16.534 26.761 4.984 0.000000 C
ATOM 2 O CMO 155 17.541 26.592 4.364 0.000000 O
BOND 1 1 2 0 C O




 I was using amber10 with ambertools 1.2, standard APS.DAT




thanks
francesco pietra

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Received on Sat Feb 06 2010 - 03:00:02 PST
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