diff options
Diffstat (limited to 'lib/compound.rb')
-rw-r--r-- | lib/compound.rb | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/compound.rb b/lib/compound.rb index b47364c..6c53cde 100644 --- a/lib/compound.rb +++ b/lib/compound.rb @@ -300,9 +300,8 @@ module OpenTox # Calculate molecular weight of Compound with OB and store it in object # @return [Float] molecular weight def molecular_weight - mw_feature = PhysChem.find_or_create_by(:name => "Openbabel.MW").id.to_s - calculate_properties unless properties[mw_feature] - properties[mw_feature] + mw_feature = PhysChem.find_or_create_by(:name => "Openbabel.MW") + calculate_properties([mw_feature]).first end private |