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Hydrogen Bonds and Van Der Waals

Posted: Sun Nov 18, 2018 7:36 pm
by sonalivij
Is there any way two molecules with a hydrogen bond could also have van Der Waals forces because they would also have dipole moments?

Re: Hydrogen Bonds and Van Der Waals

Posted: Sun Nov 18, 2018 7:44 pm
by 305154707
All bonds have active Vanderwaals forces. The hydrogen bond might be what is determining the character of the connection, but it doesn't mean that the random interactions of electrons and partial charges aren't happening as well. Some Vanderwaal's forces are more noticeable than others, but they are always occurring. Hope this helps!

Re: Hydrogen Bonds and Van Der Waals

Posted: Sun Nov 18, 2018 10:42 pm
by 404982241
Van Der Waals bonds are constantly occurring due to the fluctuating polarizations of nearby particles. Yes, two atoms experiencing hydrogen bonding can also be experiencing van Der Waals attraction.

Re: Hydrogen Bonds and Van Der Waals

Posted: Sun Nov 18, 2018 11:02 pm
by 404817859
Hydrogen bonding is the third type of van der Waals' forces. It is exactly the same as dipole-dipole interaction, it just gets a special name.

Re: Hydrogen Bonds and Van Der Waals

Posted: Sat Nov 24, 2018 8:45 pm
by BenJohnson1H
So could Van Der Waals bonds potentially cause a molecule that was initially non-polar to be polar? If so is this only for a moment?