diff --git a/nChem/ClassDiagram.cd b/nChem/ClassDiagram.cd
new file mode 100644
index 0000000..66c5c0c
--- /dev/null
+++ b/nChem/ClassDiagram.cd
@@ -0,0 +1,94 @@
+
+
+
+
+
+ AAAAACAAAAAoAEAEAAgAAAAAAAACBCIAIAAAAAACAAA=
+ Atom.cs
+
+
+
+
+
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+
+
+ AAAEAAAAAAAAAAAEAABAAAAAgAABAAAAAAAAAAAAAAA=
+ Compound.cs
+
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+ AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIAAAA=
+ Electron.cs
+
+
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+ JQD8GGQB0AMgY1k0WiUhSqQNgAiDtX0oIgkgkREbCy4=
+ Element.cs
+
+
+
+
+
+ CAAAAgAAAAQAAAAACAACAAAAAAAAAAAAAAAgAAAAAAA=
+ Orbital.cs
+
+
+
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+
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+
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+ CAAAAAAAAAAAABAESBEAAAACAAAAICAIAAEAAAIACAA=
+ Shell.cs
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+
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+
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+ ABAAAAIAAIAAAAAACBAAAAAAAAAAAAAAAAAAAAIAAAA=
+ ShellConfiguration.cs
+
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+
+
+ AAAEAAAAAAAAgAAEAAgAAAAAAAAAAAAAAAAAAAAAAiA=
+ Stack.cs
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+ CAAAAAAAEAAAAACECBAAQAACAAAAACAAAAQAAAIAAAA=
+ Subshell.cs
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+
\ No newline at end of file
diff --git a/nChem/nChem.csproj b/nChem/nChem.csproj
index 09035f1..d953cd1 100644
--- a/nChem/nChem.csproj
+++ b/nChem/nChem.csproj
@@ -69,6 +69,7 @@
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