It just contains number of atoms in the first line, followed by name of atoms and Cartesian coordinates.
36 C 0.392731 -0.000534 -3.984268 N 1.298492 0.114838 -2.873383 C 1.624832 1.506653 -2.718063 C 0.595612 -0.304000 -1.690857 C -0.569778 0.597794 -1.261948 N -1.257706 0.165466 -0.017685 C -0.579330 0.502045 1.262650 C 0.586853 -0.421860 1.631592 N 1.125946 -0.032425 2.906357 C 2.410767 -0.661926 3.048309 C 0.263428 -0.564224 3.926575 C -2.054108 -1.015228 -0.032837 O -2.465408 -1.420456 -1.259796 H -3.068130 -2.149643 -1.155823 O -2.405533 -1.679611 0.933792 H 0.507660 -0.086914 4.883057 H 0.347382 -1.654663 4.047302 H -0.781250 -0.324875 3.668274 H 2.861420 -0.342239 3.996384 H 3.068115 -0.338882 2.230942 H 2.363968 -1.761642 3.041718 H 2.111053 1.856461 -3.637482 H 2.331619 1.629898 -1.887466 H 0.751587 2.149658 -2.526825 H 0.151657 -1.057449 -4.154388 H 0.888367 0.387756 -4.883072 H -0.550354 0.550949 -3.847000 H 1.395096 -0.347488 0.867950 H 0.260757 -1.484879 1.637421 H 1.349030 -0.376343 -0.872406 H 0.238922 -1.336639 -1.878998 H -1.342819 0.481567 2.075700 H -0.237700 1.553665 1.181244 H -1.332596 0.664124 -2.065033 H -0.216995 1.635284 -1.084839 H 1.025925 1.022232 2.906311 |