diff --git a/ipython/Untitled.ipynb b/ipython/Untitled.ipynb
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+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Determine frequency scaling factors for levels of theory\n",
+    "#### Based on DOI: 10.1016/j.cpc.2016.09.004"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "scrolled": false
+   },
+   "outputs": [],
+   "source": [
+    "from arc.utils.scale import determine_scaling_factors\n",
+    "\n",
+    "levels_of_theory = ['b3lyp/6-31g*', 'wb97xd/6-311++g(d,p)', 'ccsd(t)-f12/aug-cc-pvtz']\n",
+    "\n",
+    "determine_scaling_factors(levels_of_theory)"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 2",
+   "language": "python",
+   "name": "python2"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 2
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython2",
+   "version": "2.7.16"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}