Figure 8
View of hydrogen bridging in 8. Hydrogen bonds (D-H...A distances (Å), and angles (°)): N3...O3 3.035(3) 150.4; N3...O1 3.271(3) 131.5; N3...O2 3.089(3) 158.3; N1...O4 2.974(3) 165.3; N1...Cl1 3.769(2) 153.7; N1...O1 3.029(3) 175.0, N1...O2 3.173(3) 125.1; N1...Cl1 3.688(2) 154.7. Nitrogen atoms are in blue, oxygen in red, chlorine in green and hydrogen in white.