added something

ekwan · Jul 22, 2020 · 075cc42 · 075cc42
1 parent 0b881d2
commit 075cc42
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/cctk/parse_gaussian.py b/cctk/parse_gaussian.py
@@ -929,6 +929,9 @@ def parse_modes(freq_block, num_atoms, hpmodes=False):
     force_ks = list()
     displacements = list()
 
+    if len(freq_block) == 0:
+        return None
+
     chunks = freq_block[0].split("Freq")
 
     if hpmodes: