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Level 183

Conformation of Organic Molecules


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Staggered, Eclipse
_______ always more stable than _______
Anti
180 ° apart
Gauche
60 ° apart
conformations
different arrangement of atoms that result from bond rotations
Farther
Note: Big stuff wants to get _______ apart
Staggered Conformation
All bonds are distributed to be as far apart as possible
Eclipsed Conformation
All bonds are exactly lined up
gauche conformation
A conformation with a 60° dihedral angle between the largest groups.
Steric strain
An increase in energy resulting when atoms are forced too close to one another
torsional strain
Decreased stability of a molecule associated with eclipsed bonds
Angle Strain
Energetically unfavorable due to bond angles being non-optimal
Equatorial
The big stuff wants to be _______, making the molecule more stable