title: 1,4-Bis(4-chloro-phenyl-seleno)-2,5-di-methoxy-benzene.
abstract: The title compound, C(20)H(16)Cl(2)O(2)Se(2), utilizes the symmetry of the crystallographic inversion center. Mol-ecular chains are formed through symmetric C-H⋯Cl inter-actions around inversion centers, mimicking the commonly observed symmetric hydrogen-bonded dimer pattern often found in carboxylic acids.
authors.forename: Henning Osholm
authors.initials: HO
authors.lastname: Sørensen
authors.forename: Nicolai
authors.initials: N
authors.lastname: Stuhr-Hansen