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There are a number of terms used in conformational analysis. Match each term bel

ID: 985787 • Letter: T

Question

There are a number of terms used in conformational analysis. Match each term below with the appropriate definition?

conformational orientation in which designated groups have a 60 degree dihedral angle

conformational orientation in which designated groups have a 180 degree dihedral angle

conformational orientation in which adjacent groups have a zero dihedral angle

strain caused by two groups with less than 60 degree dihedral angle

strain caused by two groups more than three bonds apart that overap in space

most stable conformation of a six membered ring

conformation of a six membered ring with four eclipsing bonds

two structures that differ from each other only in rotations around sigma bonds

Questions///////// Selected Match 1. conformers A.

conformational orientation in which designated groups have a 60 degree dihedral angle

2. gauche B.

conformational orientation in which designated groups have a 180 degree dihedral angle

3. chair C.

conformational orientation in which adjacent groups have a zero dihedral angle

4. boat D.

strain caused by two groups with less than 60 degree dihedral angle

5. anti E.

strain caused by two groups more than three bonds apart that overap in space

6. eclipsed F.

most stable conformation of a six membered ring

7. steric G.

conformation of a six membered ring with four eclipsing bonds

8. tortional H.

two structures that differ from each other only in rotations around sigma bonds

Explanation / Answer

1) H

2) A

3) F

4) G

5) B

6) C

7) E

8) D