This is from my topology file for palmitic acid. You say a should make a group of all O, of OM and of HO.
But for the calculation I need the angle between hydrogene - donor - acceptor. So my index file should be in triplets, right?? this means I should type a HO a OA a O. Correct? thank you [ atoms ] ; nr type resnr residu atom cgnr charge 1 HO 1 PLM H2 1 0.370 2 OM 1 PLM O4 1 -0.460 3 C 1 PLM C3 1 0.42 4 O 1 PLM O5 1 -0.45 5 CP2 1 PLM C4 2 0.12 6 CP2 1 PLM C5 3 0 7 CP2 1 PLM C6 4 0 8 CP2 1 PLM C7 5 0 9 CP2 1 PLM C8 6 0 10 CP2 1 PLM C9 7 0 11 CP2 1 PLM C10 8 0 12 CP2 1 PLM C11 9 0 13 CP2 1 PLM C12 10 0 14 CP2 1 PLM C13 11 0 15 CP2 1 PLM C14 12 0 16 CP2 1 PLM C15 13 0 17 CP2 1 PLM C16 14 0 18 CP2 1 PLM C17 15 0 19 CP3 1 PLM C18 16 0
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