diff --git a/data/INFO.json b/data/INFO.json
index ec8ad9c..f7f1cce 100644
--- a/data/INFO.json
+++ b/data/INFO.json
@@ -26,9 +26,12 @@
   "p_b(T)": "Vapor pressure \(p\) in pascals: \[\log(p/Pa) = 5.006 + A + BT^{-1} + C\log{T} + DT^3\] where temperature T in K; p. 6-72",
   "Electromagnetic Data": {
     "chi_m": "Magnetic susceptibility; Molar susceptibility \[\chi\ti{m} = \kappa V\ti{m} = \kappa M / \rho \] where \(\kappa\) is the volume susceptibility, \(V\ti{m}\) is the molar volume of the substance, \(M\) the molar mass, and \(\rho\) the mass density. \(\kappa = \bold{M}/\bold{H}\) where \(\bold{H}\) is the magnetic filed and \(\bold{M}\) is magnetic moment per unit volume.",
+    "Electrical conductivity": ""
   },
   "Mechanical Properties": {
-    "T": "Reference temperature",
+    "Temperature": "Reference temperature",
+    "Density": "Density",
+    "Young modulus": "Module of elasticity",
     "Yield strength": "R_{p0.2}",
     "Ultimate tensile strength": "R_m",
     "Elongation": "A_5",
@@ -38,11 +41,12 @@
   },
   "Thermodynamic Properties": {
     "Crystal, Liquid, Gas": {
-      "Delta_f H°": "Standard molar enthalpy (heat) of formation at 298.15 K in kj/mol. 0.0 indicates the reference state.",
+      "Coefficient of thermal expansion": "",
+      "Delta_f H°": "Standard molar enthalpy (heat) of formation at 298.15 K in kJ/mol. 0.0 indicates the reference state.",
       "Delta_f G°": "Standard molar Gibbs energy of formation at 298.15 K in kJ/mol",
-      "S°": "Standard molar entropy at 298.15 K in J/mol K",
+      "S°": "Standard molar entropy at 298.15 K in J/mol/K",
       "cp": "Specific heat capacity",
-      "Cp": "Molar heat capacity at constant pressure at 298.15 K in J/mol K",
+      "Cp": "Molar heat capacity at constant pressure at 298.15 K in J/mol/K",
     },
     "Delta_vap H": "Molar enthalpy (heat) of vaporization. Values are given at a pressure of 101.325 kPa",
     "Delta_fus H": "Molar enthalpy (heat) of fusion. Values are given at the normal melting point Tm"
@@ -90,8 +94,14 @@
     "color": "silvery-white metal",
     "crystal": "cubic|cubic crystals"
   },
+  "Electromagnetic Data": {
+    "chi_m": [16.5e-6, "cm³/mol"],
+    "Electrical conductivity": ["16-18", "m/Ω/mm²"]
+  },
   "Mechanical Properties": {
-    "T": ["20-25", "°C"],
+    "Temperature": ["20-25", "°C"],
+    "Density": [2.66, "g/cm³"],
+    "Young modulus": [70, "GPa"],
     "Yield strength": ["110-130", "MPa"],
     "Ultimate tensile strength": ["230-290", "MPa"],
     "Elongation": ["10-15", "%"],
@@ -99,6 +109,11 @@
       "HBW": ["68-75", "2.5/62.5"]
     }
   },
+  "Thermodynamic Properties": {
+    "Crystal": {
+      "Coefficient of thermal expansion": [23.3, "m/µm/K"]
+    }
+  },
   "Source": [
     {
       "Type": "Book",
diff --git a/data/aluminum.json b/data/aluminum.json
index ccf0a62..bd1c853 100644
--- a/data/aluminum.json
+++ b/data/aluminum.json
@@ -43,7 +43,7 @@
     ],
     "rho(T)": {
       "rho_m": [2.375, "g/cm³"],
-      "k": [0.000233, "g/cm³ °C"],
+      "k": [0.000233, "g/cm³/°C"],
       "Tmax": [1340, "°C"]
     },
     "p_b(T)": {
@@ -69,16 +69,16 @@
       "Crystal": {
         "Delta_f H°": [0.0, "kJ/mol"],
         "Delta_f G°": null,
-        "S°": [28.3, "J/mol K"],
-        "cp": [0.897, "J/g K"],
-        "Cp": [24.20, "J/mol K"]
+        "S°": [28.3, "J/mol/K"],
+        "cp": [0.897, "J/g/K"],
+        "Cp": [24.20, "J/mol/K"]
       },
       "Liquid": null,
       "Gas": {
         "Delta_f H°": [330.0, "kJ/mol"],
         "Delta_f G°": [289.4, "kJ/mol"],
-        "S°": [164.6, "J/mol K"],
-        "Cp": [21.4, "J/mol K"]
+        "S°": [164.6, "J/mol/K"],
+        "Cp": [21.4, "J/mol/K"]
       },
       "Delta_vap H": [
         [
@@ -162,8 +162,13 @@
     "Heat treatment": {
       "Temper": "homogenized and stress relieved, O3"
     },
+    "Electromagnetic Data": {
+      "Electrical conductivity": ["16-18", "m/Ω/mm²"]
+    },
     "Mechanical Properties": {
-      "T": ["20-25", "°C"],
+      "Temperature": ["20-25", "°C"],
+      "Density": [2.66, "g/cm³"],
+      "Young modulus": [70, "GPa"],
       "Yield strength": ["110-130", "MPa"],
       "Ultimate tensile strength": ["230-290", "MPa"],
       "Elongation": ["10-15", "%"],
@@ -171,6 +176,11 @@
         "HBW": ["68-75", "2.5/62.5"]
       }
     },
+    "Thermodynamic Properties": {
+      "Crystal": {
+        "Coefficient of thermal expansion": [23.3, "m/µm/K"]
+      }
+    },
     "Source": {
       "Type": "Web",
       "URL": "https://gleich.de/en/wp-content/uploads/sites/4/2016/10/en_g.al_c250.pdf"