1 16 Urea Crystal 2 1 C -2.822500 0.000000 -0.787010 3 2 3 6 3 2 O -2.822500 0.000000 0.452813 7 1 4 3 N -2.022039 0.800461 -1.492119 9 1 4 5 5 4 H -1.396009 1.426491 -1.017183 28 3 6 5 H -2.038410 0.784090 -2.497534 28 3 7 6 N -3.622961 -0.800461 -1.492119 9 1 7 8 8 7 H -4.248991 -1.426491 -1.017183 28 6 9 8 H -3.606590 -0.784090 -2.497534 28 6 10 9 C 0.000000 -2.822500 -3.919990 3 10 11 14 11 10 O 0.000000 -2.822500 -5.159813 7 9 12 11 N 0.800461 -3.622961 -3.214881 9 9 12 13 13 12 H 1.426491 -4.248991 -3.689817 28 11 14 13 H 0.784090 -3.606590 -2.209466 28 11 15 14 N -0.800461 -2.022039 -3.214881 9 9 15 16 16 15 H -1.426491 -1.396009 -3.689817 28 14 17 16 H -0.784090 -2.038410 -2.209466 28 14 18