Amoniaco
HETATM 1 N 1 -0.914 0.547 -0.049 HETATM 2 H 2 -0.914 1.557 -0.049 HETATM 3 H 3 0.038 0.210 -0.049 HETATM 4 H 4 -1.391 0.210 0.776 CONECT 1 2 3 4 CONECT 2 1 CONECT 3 1 CONECT 4 1 END