diff --git a/0.org/CH4 b/0.org/C3H8
similarity index 97%
rename from 0.org/CH4
rename to 0.org/C3H8
index c38600e..cd179a3 100644
--- a/0.org/CH4
+++ b/0.org/C3H8
@@ -23,7 +23,7 @@ boundaryField
     nzLow
     {
         type            fixedValue;
-        value           uniform 0.14046;
+        value           uniform 0.164259;
     }
     nzUpp
     {
diff --git a/0.org/N2 b/0.org/N2
index cefaf10..12b1c25 100644
--- a/0.org/N2
+++ b/0.org/N2
@@ -23,12 +23,12 @@ boundaryField
     nzLow
     {
         type            fixedValue;
-        value           uniform 0.85954;
+        value           uniform 0.835741;
     }
     nzUpp
     {
         type            fixedValue;
-        value           uniform 0.440011;
+        value           uniform 0.401658;
     }
     coLow
     {
diff --git a/0.org/O2 b/0.org/O2
index ecadb76..3661cde 100644
--- a/0.org/O2
+++ b/0.org/O2
@@ -28,7 +28,7 @@ boundaryField
     nzUpp
     {
         type            fixedValue;
-        value           uniform 0.559989;
+        value           uniform 0.598342;
     }
     coLow
     {
diff --git a/constant/thermophysicalProperties b/constant/thermophysicalProperties
index feaff96..7493127 100644
--- a/constant/thermophysicalProperties
+++ b/constant/thermophysicalProperties
@@ -30,8 +30,8 @@ inertSpecie N2;
 
 chemistryReader foamChemistryReader;
 
-foamChemistryFile       "$FOAM_CASE/constant/mech/methane-air-2step-BFER/reactions";
+foamChemistryFile       "$FOAM_CASE/constant/mech/propane-air-ctis/2step/reactions";
 
-foamChemistryThermoFile "$FOAM_CASE/constant/mech/methane-air-2step-BFER/thermos";
+foamChemistryThermoFile "$FOAM_CASE/constant/mech/propane-air-ctis/2step/thermos";
 
 // ************************************************************************* //