diff --git a/content/_index.md b/content/_index.md
index f7612d0c..82c3ed9b 100644
--- a/content/_index.md
+++ b/content/_index.md
@@ -15,7 +15,7 @@ On this website you can watch reference data for excitations the base data are
 
 ## Calculated data
 
-<div>$$ E_\text{adia} \simeq \frac{E_{abs}+E_{fluo}}{2}\ $$</div>
-<div>$$ E_\text{0-0} \simeq E_\text{adia}-\Delta E_\text{ZPE} $$</div>
+{{% Eadia %}}
+{{% E00 %}}
 
 {{< figure src="/img/figure-geom-1.png" title="Figure 1" caption="Representation of transition energies and energy differences" >}}
diff --git a/layouts/shortcodes/E00.html b/layouts/shortcodes/E00.html
new file mode 100644
index 00000000..a0ad4489
--- /dev/null
+++ b/layouts/shortcodes/E00.html
@@ -0,0 +1 @@
+<div>$$ E_\text{0-0} \simeq E_\text{adia}-\Delta E_\text{ZPE} $$</div>
\ No newline at end of file
diff --git a/layouts/shortcodes/Eadia.html b/layouts/shortcodes/Eadia.html
new file mode 100644
index 00000000..530809ff
--- /dev/null
+++ b/layouts/shortcodes/Eadia.html
@@ -0,0 +1 @@
+<div>$$ E_\text{adia} \simeq \frac{E_{abs}+E_{fluo}}{2}\ $$</div>
\ No newline at end of file