<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:12pt"><DIV>Hi every body.</DIV>
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<DIV>i would like to know if is possible to obtain a gr for only and atom of a molecule to other atom, that is, not the mass center of the molecule.</DIV>
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<DIV>for your help thanks</DIV></div><br>
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