From 974bbc7da44998f4ec8f107363bbb53661fb4b0f Mon Sep 17 00:00:00 2001
From: Ray Speth <speth@mit.edu>
Date: Mon, 27 Feb 2017 23:37:38 -0500
Subject: [PATCH] Add electron to the built-in elements as an "isotope"

---
 src/thermo/Elements.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/thermo/Elements.cpp b/src/thermo/Elements.cpp
index 34745d4c8..ed5eba8b5 100644
--- a/src/thermo/Elements.cpp
+++ b/src/thermo/Elements.cpp
@@ -160,6 +160,7 @@ static struct atomicWeightData atomicWeightTable[] = {
 static struct isotopeWeightData isotopeWeightTable[] = {
     {"D",  "deuterium", 2.0, 1},
     {"Tr", "tritium",   3.0, 1},
+    {"E", "electron", 0.000545, 0},
 };
 
 double getElementWeight(const std::string& ename)