diff --git a/wien2kparser/metainfo/wien2k.py b/wien2kparser/metainfo/wien2k.py
index c18d0401443734648e668989ec688b662bc970d8..e7752aeba500205520469411cd8b7cde1200c60f 100644
--- a/wien2kparser/metainfo/wien2k.py
+++ b/wien2kparser/metainfo/wien2k.py
@@ -687,54 +687,54 @@ class section_method(public.section_method):
         ''',
         a_legacy=LegacyDefinition(name='x_wien2k_rkmax'))
 
-    x_wien2k_in2c_switch = Quantity(
+    x_wien2k_in2_switch = Quantity(
         type=str,
         shape=[],
         description='''
-        switch, in in2c between (TOT,FOR,QTL,EFG,ALM,CLM,FERMI)
+        switch, in in2 between (TOT,FOR,QTL,EFG,ALM,CLM,FERMI)
         ''',
-        a_legacy=LegacyDefinition(name='x_wien2k_in2c_switch'))
+        a_legacy=LegacyDefinition(name='x_wien2k_in2_switch'))
 
-    x_wien2k_in2c_emin = Quantity(
+    x_wien2k_in2_emin = Quantity(
         type=np.dtype(np.float64),
         shape=[],
         description='''
-        lower energy cut-off for defining the range of occupied states; in in2c
+        lower energy cut-off for defining the range of occupied states; in in2
         ''',
-        a_legacy=LegacyDefinition(name='x_wien2k_in2c_emin'))
+        a_legacy=LegacyDefinition(name='x_wien2k_in2_emin'))
 
-    x_wien2k_in2c_ne = Quantity(
+    x_wien2k_in2_ne = Quantity(
         type=np.dtype(np.float64),
         shape=[],
         description='''
-        number of electrons (per unit cell) in given energy range in in2c
+        number of electrons (per unit cell) in given energy range in in2
         ''',
-        a_legacy=LegacyDefinition(name='x_wien2k_in2c_ne'))
+        a_legacy=LegacyDefinition(name='x_wien2k_in2_ne'))
 
-    x_wien2k_in2c_espermin = Quantity(
+    x_wien2k_in2_espermin = Quantity(
         type=np.dtype(np.float64),
         shape=[],
         description='''
         LAPW2 tries to find the .mean. energies for each l channel, for both the valence
         and the semicore states. To define .valence. and .semicore. it starts at (EF -
         .esepermin.) and searches for a .gap. with a width of at least .eseper0. and
-        defines this as separation energy of valence and semicore; in in2c
+        defines this as separation energy of valence and semicore; in in2
         ''',
-        a_legacy=LegacyDefinition(name='x_wien2k_in2c_espermin'))
+        a_legacy=LegacyDefinition(name='x_wien2k_in2_espermin'))
 
-    x_wien2k_in2c_esper0 = Quantity(
+    x_wien2k_in2_esper0 = Quantity(
         type=np.dtype(np.float64),
         shape=[],
         description='''
-        minimum gap width; in in2c
+        minimum gap width; in in2
         ''',
-        a_legacy=LegacyDefinition(name='x_wien2k_in2c_esper0'))
+        a_legacy=LegacyDefinition(name='x_wien2k_in2_esper0'))
 
     x_wien2k_smearing_kind = Quantity(
         type=str,
         shape=[],
         description='''
-        determines how EF is determined; in in2c
+        determines how EF is determined; in in2
         ''',
         a_legacy=LegacyDefinition(name='x_wien2k_smearing_kind'))
 
@@ -744,17 +744,17 @@ class section_method(public.section_method):
         unit='joule',
         description='''
         specifies the width of the broadening, if efmod is set to ALL, eval specifies the
-        upper limit of the energy window; in in2c
+        upper limit of the energy window; in in2
         ''',
         a_legacy=LegacyDefinition(name='x_wien2k_smearing_width'))
 
-    x_wien2k_in2c_gmax = Quantity(
+    x_wien2k_in2_gmax = Quantity(
         type=np.dtype(np.float64),
         shape=[],
         description='''
-        max. G (magnitude of largest vector) in charge density Fourier expansion; in in2c
+        max. G (magnitude of largest vector) in charge density Fourier expansion; in in2
         ''',
-        a_legacy=LegacyDefinition(name='x_wien2k_in2c_gmax'))
+        a_legacy=LegacyDefinition(name='x_wien2k_in2_gmax'))
 
     x_wien2k_section_XC = SubSection(
         sub_section=SectionProxy('x_wien2k_section_XC'),
diff --git a/wien2kparser/parser_wien2k.py b/wien2kparser/parser_wien2k.py
index 372debaee6fa8f57da3587f01ac6800980aa0ce2..40d6853750f6b025dbb82151efc269e5c2c177c0 100644
--- a/wien2kparser/parser_wien2k.py
+++ b/wien2kparser/parser_wien2k.py
@@ -10,8 +10,6 @@ from nomadcore.simple_parser import SimpleMatcher as SM
 from nomadcore.local_meta_info import loadJsonFile, InfoKindEl
 import wien2kparser.wien2k_parser_struct as wien2k_parser_struct
 import wien2kparser.wien2k_parser_in0 as wien2k_parser_in0
-import wien2kparser.wien2k_parser_in1c as wien2k_parser_in1c
-import wien2kparser.wien2k_parser_in2c as wien2k_parser_in2c
 import wien2kparser.wien2k_parser_in1 as wien2k_parser_in1
 import wien2kparser.wien2k_parser_in2 as wien2k_parser_in2
 import logging
@@ -91,32 +89,10 @@ class Wien2kContext(object):
                 subParser.parseFile(fIn)
 
 
-        mainFile = self.parser.fIn.fIn.name
-        fName = mainFile[:-4] + ".in1c"
-        if os.path.exists(fName):
-            subSuperContext = wien2k_parser_in1c.Wien2kIn1cContext()
-            subParser = AncillaryParser(
-                fileDescription = wien2k_parser_in1c.buildIn1cMatchers(),
-                parser = self.parser,
-                cachingLevelForMetaName = wien2k_parser_in1c.get_cachingLevelForMetaName(self.metaInfoEnv, CachingLevel.PreOpenedIgnore),
-                superContext = subSuperContext)
-            with open(fName) as fIn:
-                subParser.parseFile(fIn)
-
-        mainFile = self.parser.fIn.fIn.name
-        fName = mainFile[:-4] + ".in2c"
-        if os.path.exists(fName):
-            subSuperContext = wien2k_parser_in2c.Wien2kIn2cContext()
-            subParser = AncillaryParser(
-                fileDescription = wien2k_parser_in2c.buildIn2cMatchers(),
-                parser = self.parser,
-                cachingLevelForMetaName = wien2k_parser_in2c.get_cachingLevelForMetaName(self.metaInfoEnv, CachingLevel.PreOpenedIgnore),
-                superContext = subSuperContext)
-            with open(fName) as fIn:
-                subParser.parseFile(fIn)
-
         mainFile = self.parser.fIn.fIn.name
         fName = mainFile[:-4] + ".in1"
+        if not os.path.exists(fName):
+            fName = mainFile[:-4] + ".in1c"
         if os.path.exists(fName):
             subSuperContext = wien2k_parser_in1.Wien2kIn1Context()
             subParser = AncillaryParser(
@@ -130,6 +106,8 @@ class Wien2kContext(object):
 
         mainFile = self.parser.fIn.fIn.name
         fName = mainFile[:-4] + ".in2"
+        if not os.path.exists(fName):
+            fName = mainFile[:-4] + ".in2c"
         if os.path.exists(fName):
             subSuperContext = wien2k_parser_in2.Wien2kIn2Context()
             subParser = AncillaryParser(
@@ -255,10 +233,11 @@ mainFileDescription = SM(
                       SM(r":GMA\s*:\s*POTENTIAL\sAND\sCHARGE\sCUT-OFF\s*(?P<x_wien2k_cutoff>[0-9.]+)\s*Ry\W\W[0-9.]+"),
                       SM(r":GAP\s*:\s*(?P<x_wien2k_ene_gap__rydberg>[-+0-9.]+)\s*Ry\s*=\s*(?P<x_wien2k_ene_gap_eV>[-+0-9.]+)\s*eV\s*.*"),
                       SM(r":NOE\s*:\s*NUMBER\sOF\sELECTRONS\s*=\s*(?P<x_wien2k_noe>[0-9.]+)"),
-                      SM(r":FER\s*:\s(\w*\s*)*-\s\w*\W\w*\WM\W*=\s*(?P<x_wien2k_fermi_ene__rydberg>[-+0-9.]+)"),
+                      SM(r":FER\s*:\sF E R M I -\s\w*\W\w*\WM\W*=\s*(?P<energy_reference_fermi_iteration__rydberg>[-+0-9.]+)"),
                       SM(r":GMA\s*:\s*POTENTIAL\sAND\sCHARGE\sCUT-OFF\s*[0-9.]+\s*Ry\W\W[0-9.]+"),
                       SM(r":CHA(?P<x_wien2k_atom_nr>[-+0-9]+):\s*TOTAL\s*\w*\s*CHARGE INSIDE SPHERE\s*(?P<x_wien2k_sphere_nr>[-+0-9]+)\s*=\s*(?P<x_wien2k_tot_val_charge_sphere>[0-9.]+)",repeats = True),
                       SM(r":CHA\s*:\s*TOTAL\s*\w*\s*CHARGE INSIDE\s*\w*\s*CELL\s=\s*(?P<x_wien2k_tot_val_charge_cell>[-+0-9.]+)"),
+                      SM(r":SUM\s*:\s*SUM OF EIGENVALUES\s*=\s*(?P<energy_sum_eigenvalues_scf_iteration__rydberg>[-+0-9.]+)"),
                       SM(r":MMTOT: TOTAL MAGNETIC MOMENT IN CELL =\s*(?P<x_wien2k_mmtot>[-+0-9.]+)"),
                       SM(r":MMINT: MAGNETIC MOMENT IN INTERSTITIAL =\s*(?P<x_wien2k_mmint>[-+0-9.]+)"),
                       SM(r":MMI001: MAGNETIC MOMENT IN SPHERE 1 =\s*(?P<x_wien2k_mmi001>[-+0-9.]+)"),
@@ -270,7 +249,7 @@ mainFileDescription = SM(
                       SM(r":CTO\s*:\s*\sTOTAL\s*INTERSTITIAL\s*CHARGE=\s*(?P<x_wien2k_tot_int_charge>[-+0-9.]+)"),
                       SM(r":CTO(?P<x_wien2k_atom_nr>[-+0-9]+)[0-9]*:\s*\sTOTAL\s*CHARGE\s*IN\s*SPHERE\s*(?P<x_wien2k_sphere_nr>[-+0-9]+)\s*=\s*(?P<x_wien2k_tot_charge_in_sphere>[-+0-9.]+)",repeats = True),
 #                      SM(r":NEC(?P<x_wien2k_necnr>[-+0-9]+)\s*:\s*NUCLEAR AND ELECTRONIC CHARGE\s*(?P<x_wien2k_nuclear_charge>[-+0-9.]+)\s*(?P<x_wien2k_electronic_charge>[0-9.]+)",repeats = True),
-                      SM(r":ENE\s*:\s*\W*\w*\W*\s*TOTAL\s*ENERGY\s*IN\s*Ry\s*=\s*(?P<x_wien2k_energy_total__rydberg>[-+0-9.]+)"),
+                      SM(r":ENE\s*:\s*\W*\w*\W*\s*TOTAL\s*ENERGY\s*IN\s*Ry\s*=\s*(?P<energy_total_scf_iteration__rydberg>[-+0-9.]+)"),
                       SM(r":FOR[0-9]*:\s*(?P<x_wien2k_atom_nr>[0-9]+).ATOM\s*(?P<x_wien2k_for_abs>[0-9.]+)\s*(?P<x_wien2k_for_x>[-++0-9.]+)\s*(?P<x_wien2k_for_y>[-+0-9.]+)\s*(?P<x_wien2k_for_z>[-+0-9.]+)\s*partial\sforces", repeats = True),
                       SM(r":FGL[0-9]*:\s*(?P<x_wien2k_atom_nr>[0-9]+).ATOM\s*(?P<x_wien2k_for_x_gl>[-+0-9.]+)\s*(?P<x_wien2k_for_y_gl>[-+0-9.]+)\s*(?P<x_wien2k_for_z_gl>[-+0-9.]+)\s*partial\sforces", repeats = True)
                   ]
diff --git a/wien2kparser/wien2k_parser_in1c.py b/wien2kparser/wien2k_parser_in1c.py
deleted file mode 100644
index 1a9ce54b91d9815887998ffcff15aeac922732dc..0000000000000000000000000000000000000000
--- a/wien2kparser/wien2k_parser_in1c.py
+++ /dev/null
@@ -1,92 +0,0 @@
-from builtins import object
-from nomadcore.simple_parser import mainFunction, CachingLevel
-from nomadcore.simple_parser import SimpleMatcher as SM
-from nomadcore.local_meta_info import loadJsonFile, InfoKindEl
-import os, sys, json
-
-
-################################################################
-# This is the subparser for the WIEN2k input file (.in1c)
-################################################################
-
-# Copyright 2016-2018 Daria M. Tomecka, Fawzi Mohamed
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-__author__ = "Daria M. Tomecka"
-__maintainer__ = "Daria M. Tomecka"
-__email__ = "tomeckadm@gmail.com;"
-__date__ = "15/05/2017"
-
-class Wien2kIn1cContext(object):
-    """context for wien2k In1c  parser"""
-
-    def __init__(self):
-        self.parser = None
-
-    def initialize_values(self):
-        """allows to reset values if the same superContext is used to parse different files"""
-        pass
-
-    def startedParsing(self, path, parser):
-        """called when parsing starts"""
-        self.parser = parser
-        # allows to reset values if the same superContext is used to parse different files
-        self.initialize_values()
-
-
-# description of the input
-def buildIn1cMatchers():
-    return SM(
-    name = 'root',
-    weak = True,
-    startReStr = "",
-        sections = ["section_run", "section_method"],
-    subMatchers = [
-#        SM(name = 'systemName',
-#          startReStr = r"(?P<x_wien2k_system_nameIn>.*)"),
-        SM(r"\s*(?P<x_wien2k_wf_switch>[\w*]+)\s*EF=[-+.0-9]*\s*\W*WFFIL, WFPRI, ENFIL, SUPWF\W"),
-        SM(r"\s*(?P<x_wien2k_rkmax>[0-9.]+)\s*[0-9]+\s*[0-9]+\s*\WR-..\WK-...; MAX \w*.*")
-#        SM(r"(?P<x_wien2k_calc_mode>.*)"),
-#        SM(r"\s*(?P<x_wien2k_unit_cell_param_a>[-+0-9]*\.\d{0,6}){0,10}\s*(?P<x_wien2k_unit_cell_param_b>[-+0-9]*\.\d{0,6}){0,10}\s*(?P<x_wien2k_unit_cell_param_c>[-+0-9]*\.\d{0,6}){0,10}\s*(?P<x_wien2k_angle_between_unit_axis_alfa>[-+]?[0-9]*\.\d{0,6}){0,10}\s*(?P<x_wien2k_angle_between_unit_axis_beta>[-+]?[0-9]*\.\d{0,6}){0,10}\s*(?P<x_wien2k_angle_between_unit_axis_gamma>[-+]?[0-9]*\.\d*)"),
-#        SM(r"\s*ATOM\s*[-0-9]+:\s*X=(?P<x_wien2k_atom_pos_x>[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?)\s*Y=(?P<x_wien2k_atom_pos_y>[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?)\s*Z=(?P<x_wien2k_atom_pos_z>[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?)",
-#           repeats=True,
-#           sections=["x_wien2k_section_equiv_atoms"],
-#           subMatchers=[
-#               SM(r"\s*[-0-9]+:\s*X=(?P<x_wien2k_atom_pos_x>[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?)\s*Y=(?P<x_wien2k_atom_pos_y>[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?)\s*Z=(?P<x_wien2k_atom_pos_z>[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?)",
-#                  repeats=True
-#              ),
-#               SM(r"\s*(?P<x_wien2k_atom_name>^.+)\s*NPT=\s*(?P<x_wien2k_NPT>[0-9]+)\s*R0=(?P<x_wien2k_R0>[0-9.]+)\s*RMT=\s*(?P<x_wien2k_RMT>[0-9.]+)\s*Z:\s*(?P<x_wien2k_atomic_number_Z>[0-9.]+)",)
-#           ]
-#       )
-    ])
-
-def get_cachingLevelForMetaName(metaInfoEnv, CachingLvl):
-    """Sets the caching level for the metadata.
-
-    Args:
-        metaInfoEnv: metadata which is an object of the class InfoKindEnv in nomadcore.local_meta_info.py.
-        CachingLvl: Sets the CachingLevel for the sections k_band, run, and single_configuration_calculation.
-            This allows to run the parser without opening new sections.
-
-    Returns:
-        Dictionary with metaname as key and caching level as value.
-    """
-    # manually adjust caching of metadata
-    cachingLevelForMetaName = {
-                               'section_run': CachingLvl,
-                               'section_method': CachingLvl
-                              }
-    return cachingLevelForMetaName
-
-# loading metadata from nomad-meta-info/meta_info/nomad_meta_info/fhi_aims.nomadmetainfo.json
diff --git a/wien2kparser/wien2k_parser_in2.py b/wien2kparser/wien2k_parser_in2.py
index 46a3f7546fd0109bc147ddb988e6b3ccf27014c6..5f5d11faeb8ee54fc6fd4fcadf91127654104b02 100644
--- a/wien2kparser/wien2k_parser_in2.py
+++ b/wien2kparser/wien2k_parser_in2.py
@@ -58,7 +58,7 @@ def buildIn2Matchers():
 #          startReStr = r"(?P<x_wien2k_system_nameIn>.*)"),
         SM(r"\s*(?P<x_wien2k_in2c_switch>[A-Z]+)\s*.*"),
         SM(r"\s*(?P<x_wien2k_in2c_emin>[-+0-9.]+)\s*(?P<x_wien2k_in2c_ne>[-+0-9.]+)\s*(?P<x_wien2k_in2c_espermin>[-+0-9.]+)\s*(?P<x_wien2k_in2c_esper0>[-+0-9.]+)\s*.*"),
-        SM(r"\s*(?P<x_wien2k_smearing_kind>[A-Z]+)\s*\s*(?P<x_wien2k_smearing_width__rydberg>[-+0-9.]+)\s*.*"),
+        SM(r"\s*(?P<x_wien2k_smearing_kind>[A-Z]+)\s*\s*(?P<smearing_width__rydberg>[-+0-9.]+)\s*.*"),
         SM(r"\s*(?P<x_wien2k_in2c_gmax>[-+0-9.]+)\s*GMAX")
 
     ])
diff --git a/wien2kparser/wien2k_parser_in2c.py b/wien2kparser/wien2k_parser_in2c.py
deleted file mode 100644
index 07a10ae2101a4a85169bec2b851c49ce4d0f4f4c..0000000000000000000000000000000000000000
--- a/wien2kparser/wien2k_parser_in2c.py
+++ /dev/null
@@ -1,81 +0,0 @@
-from builtins import object
-from nomadcore.simple_parser import mainFunction, CachingLevel
-from nomadcore.simple_parser import SimpleMatcher as SM
-from nomadcore.local_meta_info import loadJsonFile, InfoKindEl
-import os, sys, json
-
-
-################################################################
-# This is the subparser for the WIEN2k input file (.in2c)
-################################################################
-
-# Copyright 2016-2018 Daria M. Tomecka, Fawzi Mohamed
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-__author__ = "Daria M. Tomecka"
-__maintainer__ = "Daria M. Tomecka"
-__email__ = "tomeckadm@gmail.com;"
-__date__ = "15/05/2017"
-
-
-class Wien2kIn2cContext(object):
-    """context for wien2k In2c parser"""
-
-    def __init__(self):
-        self.parser = None
-
-    def initialize_values(self):
-        """allows to reset values if the same superContext is used to parse different files"""
-        pass
-
-    def startedParsing(self, path, parser):
-        """called when parsing starts"""
-        self.parser = parser
-        # allows to reset values if the same superContext is used to parse different files
-        self.initialize_values()
-
-
-# description of the input
-def buildIn2cMatchers():
-    return SM(
-    name = 'root',
-    weak = True,
-    startReStr = "",
-        sections = ["section_run", "section_method"],
-    subMatchers = [
-        SM(r"\s*(?P<x_wien2k_in2c_switch>[A-Z]+)\s*.*"),
-        SM(r"\s*(?P<x_wien2k_in2c_emin>[-+0-9.]+)\s*(?P<x_wien2k_in2c_ne>[-+0-9.]+)\s*(?P<x_wien2k_in2c_espermin>[-+0-9.]+)\s*(?P<x_wien2k_in2c_esper0>[-+0-9.]+)\s*.*"),
-        SM(r"\s*(?P<x_wien2k_smearing_kind>[A-Z]+)\s*\s*(?P<x_wien2k_smearing_width__rydberg>[-+0-9.]+)\s*.*"),
-        SM(r"\s*(?P<x_wien2k_in2c_gmax>[-+0-9.]+)\s*GMAX")
-    ])
-
-def get_cachingLevelForMetaName(metaInfoEnv, CachingLvl):
-    """Sets the caching level for the metadata.
-
-    Args:
-        metaInfoEnv: metadata which is an object of the class InfoKindEnv in nomadcore.local_meta_info.py.
-        CachingLvl: Sets the CachingLevel for the sections k_band, run, and single_configuration_calculation.
-            This allows to run the parser without opening new sections.
-
-    Returns:
-        Dictionary with metaname as key and caching level as value.
-    """
-    # manually adjust caching of metadata
-    cachingLevelForMetaName = {
-                               'section_run': CachingLvl,
-                               'section_method': CachingLvl
-                              }
-    return cachingLevelForMetaName
-
-# loading metadata from nomad-meta-info/meta_info/nomad_meta_info/fhi_aims.nomadmetainfo.json