diff --git a/js/main/utils/ptables/ptables.js b/js/main/utils/ptables/ptables.js
new file mode 100644
index 0000000..a174fd9
--- /dev/null
+++ b/js/main/utils/ptables/ptables.js
@@ -0,0 +1,16 @@
+function showContent3(url) {
+ var iframe = document.getElementById("content3-iframe");
+     iframe.src = url;
+}
+function ChemicalGroupBlock() {
+	showContent3('./assets/docs/utils/ptables/ptables_ChemicalGroupBlock.png');
+}
+
+function mol2() {
+	showContent('https://embed.molview.org/v1/?mode=balls&smiles=[Pa-2][Se-][Mn][Pt+4][O-3][H+3][Cu][Yb][Cm+4][Tm-3][Os+][Ar+2]');
+}
+
+function mol3() {
+	showContent('https://embed.molview.org/v1/?mode=balls&smiles=[O-]O[N+][N-4][O-]O[O+][O-3][N-][N+][C-2][O+2]C[C-3]');
+}
+localStorage.clear();