The Nature of Ring Strain ■ Rings larger than 3 atoms are not flat Cyclic molecules can assume nonplanar conformations to minimize angle strain and torsional strain by ring- puckering (a) (b) H (c)Not quite eclipsed H H H H H H H H Not quite eclipsed Larger rings have many more possible conformations than smaller rings and are more difficult to analyze The Nature of Ring Strain „ Rings larger than 3 atoms are not flat „ Cyclic molecules can assume nonplanar conformations to minimize angle strain and torsional strain by ring￾puckering „ Larger rings have many more possible conformations than smaller rings and are more difficult to analyze