The mol-ecule of the title compound, C(22)H(12)N(4)S(2), shows no crystallographic symmetry. The thiophene rings form different dihedral angles [40.15 (9) and 15.43 (10)°] with the pyrazine ring. A strong π-π stacking inter-action occurs between adjacent pyrazine-[2,3-f][1,10]phenanthroline units with an inter-planar distance of 3.4352 (16) Å.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3344560 | PMC |
| http://dx.doi.org/10.1107/S160053681201522X | DOI Listing |
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