diff --git a/source/KKRnano/source/CalculationData_mod.F90 b/source/KKRnano/source/CalculationData_mod.F90
index 4d7b883de36181164b1aa3d60d4abfd7a8648cf6..8d5cd9ad01db441b228bbcb3392937e43119bb8f 100644
--- a/source/KKRnano/source/CalculationData_mod.F90
+++ b/source/KKRnano/source/CalculationData_mod.F90
@@ -521,7 +521,7 @@ module CalculationData_mod
           call create(self%cheb_mesh_a(ila), irmd_cheb, npan_tot_cheb, self%cell_a(ila)%nfu, params) ! create data for new radial mesh for atom iatom
         endif
         if (dims%korbit == 1) then ! NOCO
-          call construct(params%r_fac,params%r_log,params%npan_log,params%npan_eq,params%ncheb, &
+          call construct(params%r_log,params%npan_log,params%npan_eq,params%ncheb, &
                       self%cheb_mesh_a(ila)%npan_lognew,self%cheb_mesh_a(ila)%npan_eqnew, &
                       self%cheb_mesh_a(ila)%npan_tot,self%cheb_mesh_a(ila)%rnew, &
                       self%cheb_mesh_a(ila)%rpan_intervall,self%cheb_mesh_a(ila)%ipan_intervall, &
diff --git a/source/KKRnano/source/datastructures/ChebMeshData_mod.F90 b/source/KKRnano/source/datastructures/ChebMeshData_mod.F90
index c2b4e662b166d3896758178e6d8a5d029cdbf28c..e16f623bba67909425f4aaab3c9bf947320d45b0 100644
--- a/source/KKRnano/source/datastructures/ChebMeshData_mod.F90
+++ b/source/KKRnano/source/datastructures/ChebMeshData_mod.F90
@@ -327,7 +327,7 @@ endsubroutine ! read
 
   !----------------------------------------------------------------------------
   !> Construct Chebyshev mesh
-subroutine ConstructChebMesh(r_fac,r_log,npan_log,npan_eq,ncheb,  &
+subroutine ConstructChebMesh(r_log,npan_log,npan_eq,ncheb,  &
                               npan_lognew,npan_eqnew,  &
                               npan_tot,rnew,rpan_intervall,ipan_intervall,  &
                               thetasnew,thetas,nfu,radial_mesh) ! new parameters
@@ -335,7 +335,7 @@ subroutine ConstructChebMesh(r_fac,r_log,npan_log,npan_eq,ncheb,  &
 !use read_formatted_shapefun_mod, only: shapefunfile
 use RadialMeshData_mod, only: RadialMeshData
 
-double precision, intent(in)             :: r_fac 
+double precision             :: r_fac 
 double precision, intent(in)             :: r_log 
 integer, intent(in)                      :: npan_log
 integer, intent(in)                      :: npan_eq
@@ -378,7 +378,7 @@ ipotm=0
   if (ilinpanshift == 1) then
     stop 'non-spherical part of the potential needs to be inside the log panel'
   end if
-  
+  r_fac = (rmax/rmin)**(1.d0/npan_log)
   do ip=0,npan_log-ilogpanshift
     rval=(r_fac**ip-1d0)/(r_fac**(npan_log-ilogpanshift)-1d0)
     rpan_intervall(ip+ishift)= rmin+rval*(rmax-rmin)
diff --git a/source/KKRnano/source/datastructures/InputParamsNew.txt b/source/KKRnano/source/datastructures/InputParamsNew.txt
index 89e35d51853706cb6335d64e59cb15e01a6b91db..a958fde0d48a0f422aa6d32ed56710abffce1a54 100644
--- a/source/KKRnano/source/datastructures/InputParamsNew.txt
+++ b/source/KKRnano/source/datastructures/InputParamsNew.txt
@@ -118,7 +118,5 @@ i npan_log 30
 i npan_eq 30
 ### [NOCO] number of Chebychev points in panel
 i ncheb 10
-### [NOCO] factor between interval lengths in logarithmic panel
-d r_fac 2.0D0
 ### [NOCO] size of logarithmic panel
 d r_log 0.1D0
diff --git a/source/KKRnano/source/datastructures/InputParams_mod.F90 b/source/KKRnano/source/datastructures/InputParams_mod.F90
index 8508fa33f2fa1d572a2efe01d241b5f0e0396bed..55314ef0bc09a0344a4d6fc9e18d40123b69a3ae 100644
--- a/source/KKRnano/source/datastructures/InputParams_mod.F90
+++ b/source/KKRnano/source/datastructures/InputParams_mod.F90
@@ -75,7 +75,6 @@ module InputParams_mod
     integer :: npan_log
     integer :: npan_eq
     integer :: ncheb
-    double precision :: r_fac
     double precision :: r_log
     logical :: enable_quad_prec
   endtype ! InputParams
@@ -611,15 +610,6 @@ integer function getValues(filename, self) result(ierror)
     destroy_and_return
   endif
 
-  ierror = getValue(cr, "r_fac", self%r_fac , def=2.0D0)
-  if (ierror == use_default) then
-    write(*,*) "WARNING: Bad/no value given for r_fac. Set r_fac to 2.0D0"
-    ierror = 0 ! ok, no error
-  elseif (ierror /= 0) then
-    write(*,*) "Bad/no value given for r_fac."
-    destroy_and_return
-  endif
-
   ierror = getValue(cr, "r_log", self%r_log , def=0.1D0)
   if (ierror == use_default) then
     write(*,*) "WARNING: Bad/no value given for r_log. Set r_log to 0.1D0"
diff --git a/source/common/radial_solver_Chebychev/create_newmesh.f90 b/source/common/radial_solver_Chebychev/create_newmesh.f90
index 8ce134ce80396b5cb8fab5c75cc6212ba6f8e233..ee34879223662a83e465600939f7d47c69527346 100644
--- a/source/common/radial_solver_Chebychev/create_newmesh.f90
+++ b/source/common/radial_solver_Chebychev/create_newmesh.f90
@@ -72,7 +72,7 @@ contains
 
     ! .. Local variables
 !   real (kind=dp), parameter :: fac=2e0_dp
-    real (kind=dp), parameter :: fac=1.2e0_dp
+    real (kind=dp) :: fac
     integer :: npan_inst, i_stat, i_all
     integer :: i1, ir2, ip, icell
     integer :: imin, imax, iminnew, imaxnew, lm1
@@ -105,6 +105,7 @@ contains
       ! log panel
       rmin = rmesh(2, i1)
       rmax = r_log
+      fac = (rmax/rmin)**(1.d0/npan_log)
       rval = 0e0_dp
       ishift = 0
       if (r_log>rmesh(irmin(i1),i1)) then
@@ -162,6 +163,10 @@ contains
 
       call chebmesh(npan_tot(i1), ncheb, rpan_intervall(0:,i1), rnew(1,i1))
 
+!     do ir2 = 1,50
+!     write(6,*) ir2, rnew(ir2,i1)
+!     end do
+
       ! do interpolation only when optional arguments are given
       if (present(ntcell)) then
         ! interpolate shape function THETAS to new shape function THETASNEW