23()22312mMKKmmMmω+==++11.24 y2a aααM x2my1x1y3x3m Select coordinates (xi, yi) as shown, then … 22222 211331122TmxyxyMxy=++++ +±±±±±±The potential energy depends only on the compression (or stretching) of the two springs connecting each mto M(hydrogen to sulfur). Let 1aδand 2abe incremental changes in the distances aor and or . We have … 1(12)HS→2a(3HS2)→() ()2211221sincos2axxyyxxyyδαα=−+−=−+−13232321sincos2xyyxxyy=3()()12VkaaδδWe can reduce the degrees of freedom from 6 to 3 by ignoring the two translational modes and the rotational mode.
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This note was uploaded on 01/06/2012 for the course PHYSICS 4360C taught by Professor Johnanderson during the Fall '11 term at UNF.