Did you know... 
...that ChemBio3D shows hydrogen bonds? 
ChemBio3D can detect and display hydrogen bonds in a model. You can also selectively display only the polar hydrogen atoms in a model. ChemBio3D recognizes the following hydrogen bond donor and acceptor groups: 
Hydrogen Bond Donors: 

*-N-H
*-O-H
Hydrogen Bond Acceptors: 

All Oxygen atoms
Nitrogen atoms in delocalized systems
To view a short ChemBioClip on Hydrogen Bonding: 
In WRF format or Flash format or WMV format. 
Hydrogen bonds are represented as dashed lines between the donor hydrogen and the acceptor atom. Bonds with less than ideal geometry are displayed with a blue tint. The intensity of the color increases as the bond becomes less ideal. Other features explained in the ChemBioClip include: 

Intermolecular H-bonds to solvent
Intramolecular H-bonds, or both
Weak vs. strong H-bonds indicated
Polar vs. non-polar Hydrogen indicated
Dynamic display for trying atomic conformations
Did you know... 
... that Chem3D interfaces with ChemDraw directly? 

Hot-link from ChemDraw to ChemBio3D (redisplayed as you edit) 
ChemDraw panel (with 2D-model) shown in ChemBio3D 
Chem3D can import structural data from public PDB websites 
Chem3D includes several built-in energy minimization packages 
 

 
Play ChemBioClip of Hydrogen Bonding: 
In WRF format or Flash format or WMV format. 
ChemBioClips are 1-minute videos -- no registration or downloading -- just click and play! 
For more information, see... 

Chem3D Hotlink ChemBioClip - Recorded Feature Clip 
Mopac 2007 with ChemBio3D - 2-Minute ChemBioClip
ChemBio3D - Version 11.0 - ChemBioNews Article 
"Best Of" ChemBio3D - Recorded Webinar 
ChemBio3D Ultra - 2-Week Trial