Greg,

Thank you very much.

Yingfeng


On Fri, May 31, 2013 at 4:14 AM, Greg Landrum <[email protected]>wrote:

>
> On Fri, May 31, 2013 at 7:53 AM, Yingfeng Wang <[email protected]> wrote:
>
>>
>> I think I need to add masses of all atoms for getting the mass of the
>> whole fragment. Am I right?
>>
>
> It's better to just use the built in functionality:
>
> In [2]: m = Chem.MolFromSmiles('c1ccccc1')
>
> In [3]: from rdkit.Chem import Descriptors
>
> In [4]: Descriptors.MolWt(m)
> Out[4]: 78.11399999999999
>
>  -greg
>
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