Table 1 Numerical data for X–H···Y contacts with H···Y < 3.0 Å (2.7 Å for      
H···H contacts). Data for normalised H-atom positions   
                Mean    Mean    Mean    
Contact type    Number  H···Y (Å)       X···Y (Å)       X–H···Y (°)     
C(sp3)–O–H···ONC        3330    1.974(6)        2.837(4)        154.0(4)        
CáC–H···ONC     44      2.36(4)         3.31(2)         152(2)  
CNCH2···ONC     124     2.67(1)         3.56(2)         143(1)  
CH2–CH3···ONC   767     2.761(6)        3.590(7)        137.1(7)        
CH2–CH3···H–C   3975    2.500(2)        3.246(4)        128.6(3)        

ref:Chem. Commun., 1998 891

On Thu, Feb 19, 2009 at 7:48 PM, Jim Fairman <fairman....@gmail.com> wrote:
> Fellow CCP4 Board Members,
>
> What is the general consensus of the structural biology community for a
> range of distances that would be considered a Van der Waals
> contact/interaction (eg: hydrogen bonds are usually considered to be 2.5-3.5
> angstroms not including the hydrogen atoms)?
>
> Cheers, Jim
>
> --
> Jim Fairman
> Graduate Research Assistant
> Department of Biochemistry, Cellular, and Molecular Biology (BCMB)
> University of Tennessee -- Knoxville
> 216-368-3337 jfair...@utk.edu james.fair...@case.edu
>



-- 
Pius S Padayatti
Scientist,
Polgenix, Inc.
11000 Cedar Ave, Suite 260
Cleveland, OH 44106
Phone: 216-658-4528
Fax: 216-658-4529

Reply via email to