In a crystal structure how are distances
Between the electronegative atom with the hydrogen and the electron negative atom with un-pairing electrons
What is the length of a typical hydrogen bond?
2.4-2.8 Angstrongs (not strict)
What is the preferred angle for a hydrogen bond?
The donor, proton and accept are all in one line.
What is the strength of a hydrogen bond?
0.5-1.0 kcal/mol
What is the length of Van der Waal interactions?
3.5-4.0A