16
 N       -0.51459    1.69282   -0.33447
 H       -0.61778    1.61505   -1.32731
 H        0.32617    2.19494   -0.13091
 C       -0.50666    0.40270    0.32114
 H       -0.34349    0.56554    1.37589
 C       -1.88065   -0.23008    0.20777
 O       -2.34675   -0.21267   -1.03814
 H       -3.20851   -0.61822   -1.05270
 O       -2.47464   -0.73116    1.10596
 C        0.53527   -0.60487   -0.19402
 H        0.42408   -0.77246   -1.26067
 H        0.41214   -1.57247    0.28594
 C        1.95093   -0.15803    0.06691
 O        2.27335    0.82579    0.65383
 O        2.83580   -1.00982   -0.43671
 H        3.71415   -0.69746   -0.23924