diff --git a/static/js/data.js b/static/js/data.js
index 896b6307..109be428 100644
--- a/static/js/data.js
+++ b/static/js/data.js
@@ -246,7 +246,7 @@ class dataFileBase {
     return molsstr.map((molstr) => {
       var params = molstr.split("\n")[1].split(",")
       var regex=/^\^(\d+)(.+)$/
-      var m=params[0].match(regex)
+      var m=params[1].match(regex)
       return {
         name: this.molecule,
         multiplicity:m[1],