add dielectric constant and index of refractions from literature from carbonate compounds

properties for the mixture are estimates

Author: mjohnson541

input/solvation/libraries/solvent.py

@@ -8376,7 +8376,8 @@
         E = None,
         alpha = None,
         beta = None,
-        eps = None,
+        eps = 3.17,
+        n = 1.369,
         name_in_coolprop = "DimethylCarbonate",
     ),
     dataCount = DataCountSolvent(
@@ -8416,7 +8417,8 @@
         E = 0,
         alpha = None,
         beta = None,
-        eps = None,
+        eps = 3.10,
+        n = 1.384,
         name_in_coolprop = None,
     ),
     dataCount = DataCountSolvent(
@@ -8458,7 +8460,8 @@
         E = 0,
         alpha = None,
         beta = None,
-        eps = None,
+        eps = 33.6, #est based on EC+EMC mixture
+        n = 1.420, #est based on EC
         name_in_coolprop = None,
     ),
     dataCount = DataCountSolvent(
@@ -8500,7 +8503,8 @@
         E = 0,
         alpha = None,
         beta = None,
-        eps = None,
+        eps = 95.3,
+        n = 1.420,
         name_in_coolprop = None,
     ),
     dataCount = DataCountSolvent(