verbose                  = yes
runtype                  = afm
group_1                  = topatom
reference_group          = botatom
reftype                  = com
reflag                   = 0
direction                = 0.0 1.0 0.0
reverse			 = from_reference
pullrate	             = .000000000005
;pullrate	             = .0002
;forceconstant		 = 168.5
forceconstant		 = 0.00000115