18
 comment:c
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C -2.0123861 0.1770070 -0.3098010
C -1.9997730 -1.1482331 -0.3906490
C 0.6716960 -1.9871980 0.4436080
C 1.2661370 -1.1476870 -0.4135900
C 1.2306350 0.3124570 -0.4071600
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H 0.7438130 -3.0631461 0.3133360
H 1.8067380 -1.5868911 -1.2523180
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H -1.7054870 0.8040590 -1.1420540
H 0.1198870 -1.6435730 1.3144950
H 0.1413950 0.5780080 1.3823100
H 1.6924731 0.8189240 -1.2547430
N 0.4575160 2.4327779 0.5073110
H 0.6030460 2.8789461 -0.3880210
H -0.3552080 2.7928400 0.9849790