16

C    0.00000000  0.00000000  0.00000000
C    1.05730735 -0.84718335  0.76717715
C    0.51415675 -2.13917730  0.08900439
C   -0.54315060 -1.29199395 -0.67817276
C    0.46246754 -1.09909181 -1.85107521
C    1.00561814  0.19290214 -1.17290245
C    2.06292548 -0.65428121 -0.40572530
C    1.51977489 -1.94627516 -1.08389806
H    2.14758260 -2.75026696 -1.53164829
H    3.13947615 -0.39084681 -0.29317927
H    1.20863719  1.15626683 -1.69418679
H    0.21674364 -1.20315332 -2.93265580
H   -1.61970126 -1.55542835 -0.79071878
H    0.31113770 -3.10254199  0.61028873
H    1.30303125 -0.74312184  1.84875775
H   -0.62780771  0.80399180  0.44775023
