diff --git a/ChangeLog b/ChangeLog
index d58e43f2b7e39318b152415792a5180fe18984e5..b8b7ac02cf94b5ff987ddf601ef85009a5d3c415 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2013-08-14  Richard Larsson  <ric.larsson@gmail.com>
+
+	* ARTS-XML-DATA-2-1-54
+	
+	* spectroscopy/QuantumConstants/zeeman_constants.xml: Added HO2 and NO2.
+	Fixed ClO.
+
 2013-08-12  Richard Larsson  <ric.larsson@gmail.com>
 
 	* ARTS-XML-DATA-2-1-53
diff --git a/spectroscopy/QuantumConstants/zeeman_constant.xml b/spectroscopy/QuantumConstants/zeeman_constant.xml
index c8fce3b9d4cec145061e6006edf0caa12b7b094f..11e9c2dbed349e80d7f1cb01f1e149524b5f5d37 100644
--- a/spectroscopy/QuantumConstants/zeeman_constant.xml
+++ b/spectroscopy/QuantumConstants/zeeman_constant.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <arts format="ascii" version="1">
-<SpeciesAuxData version="1" nelem="14" nparam="3">
+<SpeciesAuxData version="1" nelem="16" nparam="3">
 @ O2-66 2.002064 1 1
 @ O2-68 2.002064 1 1
 @ O2-67 2.002064 1 1
@@ -10,10 +10,12 @@
 @ OH-61 2.00089 0.5 0
 @ OH-81 2.00089 0.5 0
 @ OH-62 2.00089 0.5 0
-@ ClO-56 2.00072 0.5
-@ ClO-76 2.00072 0.5
+@ ClO-56 2.00072 0.5 0
+@ ClO-76 2.00072 0.5 0
 @ SO-26 2.002106 1 1
 @ SO-46 2.002106 1 1
 @ SO-28 2.002106 1 1
+@ NO2-646 2.0023193043622 0.5 1
+@ HO2-166 2.0023193043622 0.5 1
 </SpeciesAuxData>
 </arts>