MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
Semi space-filling model of a butane molecule as formed by a free rotation of the central C-C bond. Atoms are represented as spheres and are colour-coded: carbon (black) and hydrogen (white). Space filling models show the overall shape of the molecule.
Model release not required. Property release not required.