13
charge = 0
 O 1.247955 0.176805 -0.513858
 N 2.606242 0.051749 -0.232494
 C 2.894947 -0.869426 0.765624
 N 2.136949 -1.777027 1.209982
 C 4.329587 -0.783919 1.245131
 C 4.825543 0.570394 1.426312
 C 5.219459 1.695997 1.565241
 H 1.169350 -0.101845 -1.431967
 H 3.002301 0.969681 -0.061513
 H 1.216986 -1.705031 0.776468
 H 4.965396 -1.306760 0.521857
 H 4.379328 -1.341841 2.181517
 H 5.579338 2.688532 1.701901