13
 N        1.23218   -1.16316   -0.50700
 H        0.90339   -1.65699   -1.31412
 H        2.23105   -1.11498   -0.55824
 C        0.65779    0.16830   -0.42334
 H        1.08439    0.65951    0.44028
 C       -0.82483    0.05552   -0.12998
 O       -1.44168   -0.80413   -0.93731
 H       -2.36686   -0.82790   -0.71286
 O       -1.40644    0.68564    0.69310
 C        0.87267    1.04960   -1.66226
 H        0.44147    0.59073   -2.54607
 H        1.93626    1.18223   -1.83352
 H        0.42771    2.03123   -1.53110