diff --git a/docs/datafileBuilder.md b/docs/datafileBuilder.md
index b56ae7b2..f353aa25 100644
--- a/docs/datafileBuilder.md
+++ b/docs/datafileBuilder.md
@@ -151,7 +151,7 @@ that set the unsafe boolean value to  `true ` in the output data file
 $^m s[\mathrm{F}](T)$
 ```
 
-Where `m` is the multiplicity `s` is the symetry and `\mathrm{F}` if it is present specifies that the vertical transition is fluorescence
+Where `m` is the multiplicity `s` is the symmetry and `\mathrm{F}` if it is present specifies that the vertical transition is fluorescence
 
 T is transition type and must be in the format
 
diff --git a/static/js/data.js b/static/js/data.js
index 109be428..b40346a9 100644
--- a/static/js/data.js
+++ b/static/js/data.js
@@ -101,17 +101,17 @@ class method {
 }
 
 class state {
-  constructor(number, multiplicity, symetry) {
+  constructor(number, multiplicity, symmetry) {
     this.number = number;
     this.multiplicity = multiplicity;
-    this.symetry = symetry;
+    this.symmetry = symmetry;
   };
   toString() {
-    var str = this.number + ' ^' + this.multiplicity + this.symetry;
+    var str = this.number + ' ^' + this.multiplicity + this.symmetry;
     return str;
   };
   toLaTeX() {
-    var tex = String.raw`${this.number}\:^{${this.multiplicity}}\mathrm{${this.symetry}}`;
+    var tex = String.raw`${this.number}\:^{${this.multiplicity}}\mathrm{${this.symmetry}}`;
     return tex;
   };
 }
@@ -241,7 +241,7 @@ class dataFileBase {
     }
     molsstr.filter((molstr) => {
       var params = molstr.split("\n")[1].split(",")
-      return (state === null || params[0] === `^${state.multiplicity}${state.symetry}`) && params[1] == `${this.method.name},${this.method.basis}`
+      return (state === null || params[0] === `^${state.multiplicity}${state.symmetry}`) && params[1] == `${this.method.name},${this.method.basis}`
     })
     return molsstr.map((molstr) => {
       var params = molstr.split("\n")[1].split(",")
diff --git a/tools/lib/data.py b/tools/lib/data.py
index 1f68a7f0..34dbb4bd 100644
--- a/tools/lib/data.py
+++ b/tools/lib/data.py
@@ -11,10 +11,10 @@ import numpy as np
 import json
 
 class state:
-  def __init__(self,number, multiplicity, symetry):
+  def __init__(self,number, multiplicity, symmetry):
     self.number = number
     self.multiplicity = multiplicity
-    self.symetry = symetry
+    self.symmetry = symmetry
   @staticmethod
   def fromString(string):
     m=re.match(r"^(?P<number>\d)\s*\^(?P<multiplicity>\d)(?P<sym>\S*)",string)
@@ -116,7 +116,7 @@ class dataFileBase(object):
       tmplst.append((mul,symm,trsp,tygrp))
     lst=[]
     for index,item in enumerate(tmplst):
-      unforminitialstate=(int(initialState.multiplicity),initialState.symetry)
+      unforminitialstate=(int(initialState.multiplicity),initialState.symmetry)
       countlst=[unforminitialstate]+[(it[0],it[1]) for it in tmplst[:index+1]]
       countitem=(item[0],item[1])
       count=countlst.count(countitem)
@@ -233,10 +233,10 @@ class dataFileBase(object):
           mystr="  {:7s} {:5s} {:10s} {:7s} {:5s} {:12s} {:39s} {:13s} {:14s} {:13s}{}\n".format(
             str(ex.initial.number),
             str(ex.initial.multiplicity),
-            ex.initial.symetry,
+            ex.initial.symmetry,
             str(ex.final.number),
             str(ex.final.multiplicity),
-            ex.final.symetry,"("+str(ex.type)+")" if ex.type is not None else "_",
+            ex.final.symmetry,"("+str(ex.type)+")" if ex.type is not None else "_",
             str(ex.value) if ex.value is not None else "_",
             str(ex.T1) if ex.T1 is not None else "_",
             str(ex.oscilatorForces) if ex.oscilatorForces is not None else "_",
diff --git a/tools/lib/formats/default/exoticColumnHandler.py b/tools/lib/formats/default/exoticColumnHandler.py
index 218bfa97..9b000878 100644
--- a/tools/lib/formats/default/exoticColumnHandler.py
+++ b/tools/lib/formats/default/exoticColumnHandler.py
@@ -64,7 +64,7 @@ class exoticColumnHandler(formatHandlerBase):
           for exstr,values in exdic.items():
             stDict=json.loads(exstr[0])
             ty=exstr[1]
-            st=state(stDict["number"],stDict["multiplicity"],stDict["symetry"])
+            st=state(stDict["number"],stDict["multiplicity"],stDict["symmetry"])
             T1=values["\\%T_1"] if "\\%T_1" in values  else None
             oF= values["f"] if "f" in values  else None
             val,unsafe=values[""]
diff --git a/tools/lib/formats/default/fromXLSToLaTeXHandler.py b/tools/lib/formats/default/fromXLSToLaTeXHandler.py
index 4e9d6404..bf002bce 100644
--- a/tools/lib/formats/default/fromXLSToLaTeXHandler.py
+++ b/tools/lib/formats/default/fromXLSToLaTeXHandler.py
@@ -109,7 +109,7 @@ class fromXLSToLaTeXHandler(formatHandlerBase):
           for exstr,values in exdic.items():
             stDict=json.loads(exstr[0])
             ty=exstr[1]
-            st=state(stDict["number"],stDict["multiplicity"],stDict["symetry"])
+            st=state(stDict["number"],stDict["multiplicity"],stDict["symmetry"])
             T1=values["\\%T_1"] if "\\%T_1" in values  else None
             oF= values["f"] if "f" in values  else None
             val,unsafe= values[""] if "" in values  else [None,False]