<s>
NWChem	B-Application
is	O
an	O
ab	O
initio	O
computational	O
chemistry	O
software	O
package	O
which	O
includes	O
quantum	O
chemical	O
and	O
molecular	O
dynamics	O
functionality	O
.	O
</s>
<s>
NWChem	B-Application
has	O
been	O
developed	O
by	O
the	O
Molecular	O
Sciences	O
Software	O
group	O
of	O
the	O
Theory	O
,	O
Modeling	O
&	O
Simulation	O
program	O
of	O
the	O
Environmental	O
Molecular	O
Sciences	O
Laboratory	O
(	O
EMSL	O
)	O
at	O
the	O
Pacific	O
Northwest	O
National	O
Laboratory	O
(	O
PNNL	O
)	O
.	O
</s>
<s>
NWChem	B-Application
is	O
currently	O
being	O
redesigned	O
and	O
reimplemented	O
for	O
exascale	B-General_Concept
computing	I-General_Concept
platforms	O
(	O
NWChemEx	O
)	O
.	O
</s>
