Stereochemistry of Molecules in Crystals (part 1, 2)
Stereochemistry of Molecules in Crystals (part 1, 2)
Stereochemistry of Molecules in Crystals (part 1, 2)
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4) 1,2-dichloroethane<br />
Ph<br />
Ph<br />
Br<br />
Ph<br />
O<br />
(S)-(-)-2<br />
H<br />
Cl<br />
H<br />
Cl<br />
H<br />
Cl<br />
Cl<br />
H<br />
yes<br />
no<br />
H<br />
H<br />
Cl<br />
Cl<br />
1a<br />
trans<br />
H<br />
H<br />
θ = 36 º<br />
Cl<br />
Cl<br />
H<br />
H H<br />
H<br />
(M)-1b<br />
eclipsed<br />
Cl···Cl<br />
3.205 Å<br />
(3.50 Å)<br />
C=O ··· Cl<br />
Fig. X-ray <strong>of</strong> a complex <strong>of</strong> (M)-1b.<br />
Chem. Comm. 1997, 1227.