The Sigma-Hole ·
The Electron-Poor Cap That Powers Halogen and Chalcogen Bonds
un
seel
.com · halogen bond · V
S,max
· anion recognition
donor
CF₃–Br
V
S,max
—
angle
—
step
—
σ-hole (positive cap)
negative equatorial belt
Lewis base (lone pair)
halogen / chalcogen X
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