--- src/leap/src/leap/unitio.c.orig	2006-07-11 17:22:13.000000000 -0700
+++ src/leap/src/leap/unitio.c	2006-07-11 17:23:13.000000000 -0700
@@ -5235,7 +5235,12 @@
                                 saPAtom->aAtom->cHeader.cContainedBy->sName ));
                     }
                     break;
-                case  6: dGBrad = 1.7; break;
+                case  6:
+                    if ( strncmp(sType,"C1",2) && strncmp(sType,"C2",2) && strncmp (sType,"C3",2) )
+                       dGBrad = 1.7; 
+                    else
+                       dGBrad = 2.2;
+                    break;
                 case  7: dGBrad = 1.55; break;
                 case  8: dGBrad = 1.5; break;
                 case  9: dGBrad = 1.5; break;