https://www.selleckchem.com/pr....oducts/actinomycin-d
The correct packing motifs in the two polymorphs could not be identified without calculations of the pairwise interaction energies. The triclinic structure has a higher density and a lower (by 0.60 kcal mol-1) lattice energy according to periodic calculations compared to the orthorhombic structure. This allows us to presume that the triclinic form of 3-cyclopropyl-5-(2-hydrazinylpyridin-3-yl)-1,2,4-oxadiazole is the more stable.The intramolecularly coordinated homoleptic diorgano selenide bis2,6-bis[(dimethylamino)methyl]phenyl se
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