diff --git a/trex.json b/trex.json
index 82f5232..9323b85 100644
--- a/trex.json
+++ b/trex.json
@@ -50,10 +50,10 @@
 } ,
 
 "ao": {
-    "num" : [ "int"  , []  ]
-    ,     "cartesian" : [ "int"  , []  ]
-    ,         "shell" : [ "int"  , []  ]
-    , "normalization" : [ "float", []  ]
+        "cartesian" : [ "int"  , []           ]
+  ,           "num" : [ "int"  , []           ]
+  ,         "shell" : [ "int"  , [ "ao.num" ] ]
+  , "normalization" : [ "float", [ "ao.num" ] ]
 } ,
 
 "ao_1e_int": {
diff --git a/trex.org b/trex.org
index 0b81ed9..27a7406 100644
--- a/trex.org
+++ b/trex.org
@@ -30,13 +30,13 @@ written in C.
   #+RESULTS:
   :results:
   #+begin_src python :tangle trex.json
-"metadata": {
-    "code_num" : [ "int", []                        ]
-    ,       "code " : [ "str", [ "metadata.code_num" ]   ]
-    ,  "author_num" : [ "int", []                        ]
-    ,      "author" : [ "str", [ "metadata.author_num" ] ]
-    , "description" : [ "str", []                        ]
-} ,
+      "metadata": {
+             "code_num" : [ "int", []                        ]
+        ,        "code" : [ "str", [ "metadata.code_num" ]   ]
+        ,  "author_num" : [ "int", []                        ]
+        ,      "author" : [ "str", [ "metadata.author_num" ] ]
+        , "description" : [ "str", []                        ]
+      } ,
   #+end_src
   :end:
 
@@ -46,8 +46,8 @@ written in C.
    the number of \uparrow and \downarrow electrons is fixed.
 
   #+NAME:electron
-  | ~up_num~ | ~int~ | Number of \uparrow-spin electrons   |
-  | ~dn_num~ | ~int~ | Number of \downarrow-spin electrons |
+  | ~up_num~ | ~int~ |   | Number of \uparrow-spin electrons   |
+  | ~dn_num~ | ~int~ |   | Number of \downarrow-spin electrons |
 
   #+CALL: json(data=electron, title="electron")
   #+RESULTS:
@@ -138,20 +138,20 @@ written in C.
   #+RESULTS:
   :results:
   #+begin_src python :tangle trex.json
-"ecp": {
-    "lmax_plus_1" : [ "int"  , [ "nucleus.num" ]                            ]
-    ,              "z_core" : [ "float", [ "nucleus.num" ]                            ]
-    ,             "local_n" : [ "int"  , [ "nucleus.num" ]                            ]
-    ,     "local_num_n_max" : [ "int"  , []                                           ]
-    ,      "local_exponent" : [ "float", [ "nucleus.num", "ecp.local_num_n_max" ]     ]
-    ,          "local_coef" : [ "float", [ "nucleus.num", "ecp.local_num_n_max" ]     ]
-    ,         "local_power" : [ "int"  , [ "nucleus.num", "ecp.local_num_n_max" ]     ]
-    ,         "non_local_n" : [ "int"  , [ "nucleus.num" ]                            ]
-    , "non_local_num_n_max" : [ "int"  , []                                           ]
-    ,  "non_local_exponent" : [ "float", [ "nucleus.num", "ecp.non_local_num_n_max" ] ]
-    ,      "non_local_coef" : [ "float", [ "nucleus.num", "ecp.non_local_num_n_max" ] ]
-    ,     "non_local_power" : [ "int"  , [ "nucleus.num", "ecp.non_local_num_n_max" ] ]
-} ,
+      "ecp": {
+                  "lmax_plus_1" : [ "int"  , [ "nucleus.num" ]                            ]
+        ,              "z_core" : [ "float", [ "nucleus.num" ]                            ]
+        ,             "local_n" : [ "int"  , [ "nucleus.num" ]                            ]
+        ,     "local_num_n_max" : [ "int"  , []                                           ]
+        ,      "local_exponent" : [ "float", [ "nucleus.num", "ecp.local_num_n_max" ]     ]
+        ,          "local_coef" : [ "float", [ "nucleus.num", "ecp.local_num_n_max" ]     ]
+        ,         "local_power" : [ "int"  , [ "nucleus.num", "ecp.local_num_n_max" ]     ]
+        ,         "non_local_n" : [ "int"  , [ "nucleus.num" ]                            ]
+        , "non_local_num_n_max" : [ "int"  , []                                           ]
+        ,  "non_local_exponent" : [ "float", [ "nucleus.num", "ecp.non_local_num_n_max" ] ]
+        ,      "non_local_coef" : [ "float", [ "nucleus.num", "ecp.non_local_num_n_max" ] ]
+        ,     "non_local_power" : [ "int"  , [ "nucleus.num", "ecp.non_local_num_n_max" ] ]
+      } ,
   #+end_src
   :end:
 
@@ -203,10 +203,10 @@ written in C.
       "basis": {
                     "type" : [ "str"  , []                    ]
         ,      "shell_num" : [ "int"  , []                    ]
-        ,   "shell_factor" : [ "float", [ "basis.shell_num" ] ]
         ,   "shell_center" : [ "int"  , [ "basis.shell_num" ] ]
         ,  "shell_ang_mom" : [ "int"  , [ "basis.shell_num" ] ]
         , "shell_prim_num" : [ "int"  , [ "basis.shell_num" ] ]
+        ,   "shell_factor" : [ "float", [ "basis.shell_num" ] ]
         ,     "prim_index" : [ "int"  , [ "basis.shell_num" ] ]
         ,       "prim_num" : [ "int"  , []                    ]
         ,       "exponent" : [ "float", [ "basis.prim_num" ]  ]
@@ -260,8 +260,8 @@ written in C.
   introduced here should be $\frac{\mathcal{N}_{xy}}{\mathcal{N}_{z^2}}$.
 
   #+NAME: ao
-  | ~cartesian~     | ~int~   |          | ~1~: true, ~0~: false           |
-  | ~num~           | ~int~   |          | Total number of atomic orbitals |
+  | ~cartesian~     | ~int~   |            | ~1~: true, ~0~: false           |
+  | ~num~           | ~int~   |            | Total number of atomic orbitals |
   | ~shell~         | ~int~   | ~(ao.num)~ | basis set shell for each AO     |
   | ~normalization~ | ~float~ | ~(ao.num)~ | Normalization factors           |
 
@@ -309,14 +309,14 @@ written in C.
    #+RESULTS:
    :results:
    #+begin_src python :tangle trex.json
-"ao_1e_int": {
-    "overlap" : [ "float", [ "ao.num", "ao.num" ] ]
-    ,          "kinetic" : [ "float", [ "ao.num", "ao.num" ] ]
-    ,    "potential_n_e" : [ "float", [ "ao.num", "ao.num" ] ]
-    ,        "ecp_local" : [ "float", [ "ao.num", "ao.num" ] ]
-    ,    "ecp_non_local" : [ "float", [ "ao.num", "ao.num" ] ]
-    , "core_hamiltonian" : [ "float", [ "ao.num", "ao.num" ] ]
-} ,
+       "ao_1e_int": {
+                    "overlap" : [ "float", [ "ao.num", "ao.num" ] ]
+         ,          "kinetic" : [ "float", [ "ao.num", "ao.num" ] ]
+         ,    "potential_n_e" : [ "float", [ "ao.num", "ao.num" ] ]
+         ,        "ecp_local" : [ "float", [ "ao.num", "ao.num" ] ]
+         ,    "ecp_non_local" : [ "float", [ "ao.num", "ao.num" ] ]
+         , "core_hamiltonian" : [ "float", [ "ao.num", "ao.num" ] ]
+       } ,
    #+end_src
    :end:
 
@@ -349,10 +349,10 @@ written in C.
    #+RESULTS:
    :results:
    #+begin_src python :tangle trex.json
-"ao_2e_int": {
-    "eri" : [ "float sparse", [ "ao.num", "ao.num", "ao.num", "ao.num" ] ]
-    , "eri_lr" : [ "float sparse", [ "ao.num", "ao.num", "ao.num", "ao.num" ] ]
-} ,
+       "ao_2e_int": {
+              "eri" : [ "float sparse", [ "ao.num", "ao.num", "ao.num", "ao.num" ] ]
+         , "eri_lr" : [ "float sparse", [ "ao.num", "ao.num", "ao.num", "ao.num" ] ]
+       } ,
    #+end_src
    :end: