Molecular images of the hydrocarbon C₂₂H₁₂ - anthanthrene

The aromatic hydrocarbon antlianthrene (C₂₂H₁₂) has been imaged by high-resolution electron microscopy using minimal-exposure techniques. A simple photographic averaging technique has been applied to give structural information. The radiation sensitivity of this molecule is approximately 0.2 C cm^-2 and it is suggested that smaller molecules of comparable sensitivity are capable of being imaged, the limitation being instrumental resolution rather than radiation sensitivity.