<s>
ORCA	B-Language
is	O
an	O
ab	O
initio	O
quantum	O
chemistry	O
program	O
package	O
that	O
contains	O
modern	O
electronic	O
structure	O
methods	O
including	O
density	O
functional	O
theory	O
,	O
many-body	B-Algorithm
perturbation	O
,	O
coupled	O
cluster	O
,	O
multireference	O
methods	O
,	O
and	O
semi-empirical	O
quantum	O
chemistry	O
methods	O
.	O
</s>
<s>
ORCA	B-Language
is	O
developed	O
in	O
the	O
research	O
group	O
of	O
Frank	O
Neese	O
.	O
</s>
