{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# NIST"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "The National Institute of Standards and Technology (NIST) supplies Carsus with atomic weights, ionization energies and ground levels configurations."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Atomic Weights\n",
    "\n",
    "Provided by the NIST Atomic Weights and Isotopic Compositions Database.\n",
    "\n",
    "<div class=\"alert alert-warning\">\n",
    "\n",
    "**Warning:** \n",
    "    \n",
    "Carsus does not support unstable atoms with atomic numbers greater than 94\n",
    "\n",
    "</div>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from carsus.io.nist import NISTWeightsComp"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "nist_weights = NISTWeightsComp('H-O')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "nist_weights.base"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Ionization Energies and Ground Levels\n",
    "\n",
    "Provided by the NIST Atomic Spectra Database."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from carsus.io.nist import NISTIonizationEnergies"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "nist_ioniz = NISTIonizationEnergies('H-O')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "nist_ioniz.base"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "nist_ioniz.get_ground_levels()"
   ]
  }
 ],
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