Figure 5: Optimized transition state geometry for the adenine attack on A) monoaquated cisplatin from gas-phase: Pt(NH3)2Cl(OH2)(adenine) (1c); B) monoaquated BNP3029 from gas-phase: Pt[N≡C(CH2)3(C6H5)]2Cl(OH2) (adenine) (3c). All distances are in Angstroms (Å) and angles are in degrees.