Abstract
The crystal and molecular structures of n-hexyloxybenzoic anhydride, C6H13-O-C6H4-C(O)-O-C(O)-C6H4-C6H13, at low (120 K) and room (296 K) temperatures have been investigated. The molecule has an asymmetric bent structure. The dihedral angle between the benzene ring planes is 48.5°. The aliphatic chain on one side of the molecule has a transoid orientation with respect to the “internal” C4 atom of the closest benzene ring, whereas the aliphatic chain on the other side has a cissoid orientation with respect to the analogous C(4A) atom. The crystal packing does not exhibit any pronounced separation of the crystal space into closely packed aromatic or loosely packed aliphatic regions. No weak directional interactions are observed in the packing; this fact explains the absence of liquid-crystal properties for this compound.
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