[gmx-users] option -r2 on g_hbond, a third HB citerion?

Mark Abraham Mark.Abraham at anu.edu.au
Wed Jan 18 12:39:13 CET 2012

On 18/01/2012 8:35 PM, Mr Bernard Ramos wrote:
> Hi everyone!
> On this page
> http://manual.gromacs.org/online/g_hbond.html
> there is an option -r2 when using g_hbond. What is this r2? I can't 
> find it in the Gromacs manual. option -a is the angle H-O-O, option -r 
> is the O-O distance which can be switched to H-A by using the "-da 
> no". Need help on what is -r2 (could this be for specifying a third 
> criterion for the for distance O-H in addition to the angle cut-off 
> and O-O distance cut-off

Apparently nobody knows. Someone will need to look in the code to find 
out - probably you :-). Good luck!

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