21

C          0.90480       -0.05780       -0.10230
C          7.33200       -1.21710        0.23780
C          6.64710       -2.42830        0.21600
C          6.62460       -0.01490        0.18920
C          5.25260       -2.44000        0.14800
C          3.10030        1.17860       -0.01320
C          4.49540        1.18940        0.06190
C          3.12210       -1.23350        0.02470
C          2.40310       -0.03180       -0.03810
C          5.22190       -0.00990        0.11600
C          4.52580       -1.23920        0.09660
H          0.49520        0.93660       -0.30790
H          0.49410       -0.40690        0.85030
H          0.57070       -0.72430       -0.90430
H          8.41740       -1.20630        0.29170
H          7.19650       -3.36520        0.25120
H          7.17680        0.92180        0.20790
H          4.73510       -3.39630        0.13250
H          2.56510        2.12440       -0.05370
H          5.01280        2.14590        0.07690
H          2.57960       -2.17720        0.01550
