20
 N       -1.46870    1.81338   -0.11315
 H       -1.46802    1.81910   -1.11464
 H       -0.76204    2.44282    0.20949
 C       -1.28446    0.47746    0.42442
 H       -1.20466    0.56141    1.50017
 C       -2.54740   -0.32552    0.17930
 O       -2.94629   -0.27236   -1.08849
 H       -3.73643   -0.79505   -1.18617
 O       -3.11399   -0.97037    1.00103
 C       -0.07510   -0.31422   -0.11314
 H       -0.14346   -0.38489   -1.19455
 H       -0.11550   -1.32700    0.27854
 C        1.25788    0.31912    0.28190
 H        1.34504    1.31905   -0.12717
 H        1.33385    0.38774    1.36232
 S        2.63760   -0.68326   -0.34466
 C        4.03482    0.29519    0.25559
 H        4.94065   -0.20662   -0.05922
 H        4.03185    0.35942    1.33666
 H        4.02586    1.29218   -0.16751