Dear cp2k users,<div><br></div><div>I performed a geometry optimization of a carbon chain in CNT by using QMMM method. QM is applied to the carbon chain and MM is applied to CNT (CNT coordinates are fixed throughout the simulation). However, the carbon atoms in chain were overlapped unrealistically during the optimization process (the process movie is attached) although when I used Quick Step method, the system appeared to be optimized appropriately.<br></div><div><br></div><div>Does my input file have any issues? If so, what parameters should I pay attention to when using QMMM?</div><div><br></div><div>Thank you in advance!<br>Matsuo<br></div>
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