diff --git a/input/kinetics/families/2+2_cycloaddition_Cd/rules.py b/input/kinetics/families/2+2_cycloaddition_Cd/rules.py
index 9971791fdc..84f4348074 100644
--- a/input/kinetics/families/2+2_cycloaddition_Cd/rules.py
+++ b/input/kinetics/families/2+2_cycloaddition_Cd/rules.py
@@ -6,3 +6,27 @@
 longDesc = u"""
 
 """
+
+entry(
+    index = 1,
+    label = "db;doublebond",
+    degeneracy = 2.0,
+    kinetics = ArrheniusEP(
+        A = (1.05605e+06, 'cm^3/(mol*s)'),
+        n = 1.86,
+        alpha = 0,
+        E0 = (232.89994, 'kJ/mol'),
+        Tmin = (300, 'K'),
+        Tmax = (1500, 'K'),
+    ),
+    rank = 0,
+    shortDesc = """Zalotai et al. 1983""",
+    longDesc = """
+Kinetics fitted from reverse direction using rate of 
+
+C3H6O <=> C2H4 + CH2O, low or high pressure extrapolation with thermal excitation technique, taken from 
+
+Zalotai, L. et al, Kinetics of gas phase decomposition of oxetan and oxetan-2,2-d2, Int. J. Chem. Kinet., 15, 505, 1983
+http://kinetics.nist.gov/kinetics/Detail?id=1983ZAL/HUN505:1 """
+)
+