<s>
MOLCAS	B-Application
is	O
an	O
ab	O
initio	O
computational	O
chemistry	O
program	O
,	O
developed	O
as	O
a	O
joint	O
project	O
by	O
a	O
number	O
of	O
international	O
institutes	O
.	O
</s>
<s>
MOLCAS	B-Application
is	O
developed	O
by	O
scientists	O
to	O
be	O
used	O
by	O
scientists	O
.	O
</s>
<s>
MOLCAS	B-Application
contains	O
codes	O
for	O
general	O
and	O
effective	O
multiconfigurational	O
SCF	O
calculations	O
at	O
the	O
Complete	O
Active	O
Space	O
(	O
CASSCF	O
)	O
level	O
,	O
but	O
also	O
employing	O
more	O
restricted	O
MCSCF	O
wave	O
functions	O
(	O
RASSCF	O
)	O
.	O
</s>
<s>
MOLCAS	B-Application
also	O
contains	O
second	O
order	O
perturbation	O
theory	O
codes	O
CASPT2	O
and	O
RASPT2	O
.	O
</s>
<s>
MOLCAS	B-Application
code	O
has	O
been	O
created	O
at	O
the	O
late	O
1980s	O
by	O
the	O
group	O
of	O
Prof	O
.	O
Björn	O
O	O
.	O
Roos	O
at	O
Lund	O
University	O
.	O
</s>
<s>
MOLCAS	B-Application
2	O
has	O
been	O
released	O
at	O
1992	O
.	O
</s>
<s>
It	O
was	O
distributed	O
on	O
a	O
tape	O
for	O
IBM	B-Application
VM/XA	I-Application
.	O
</s>
<s>
MOLCAS	B-Application
4	O
(	O
1999	O
)	O
was	O
a	O
first	O
release	O
,	O
which	O
runs	O
on	O
any	O
Unix	B-Application
or	O
Linux	B-Application
operating	I-Application
system	I-Application
.	O
</s>
<s>
In	O
2001	O
MOLCAS	B-Application
5	O
has	O
been	O
released	O
,	O
featuring	O
a	O
distributed	O
model	O
for	O
code	O
development	O
.	O
</s>
<s>
In	O
September	O
2017	O
the	O
bulk	O
of	O
the	O
MOLCAS	B-Application
code	O
was	O
branched	O
as	O
open	O
source	O
(	O
LGPL	O
2.1	O
license	O
)	O
,	O
under	O
the	O
name	O
OpenMolcas	B-Application
.	O
</s>
<s>
The	O
stable	O
version	O
of	O
MOLCAS	B-Application
code	O
is	O
distributed	O
by	O
Lund	O
University	O
.	O
</s>
<s>
Main	O
features	O
of	O
MOLCAS	B-Application
can	O
be	O
found	O
at	O
the	O
Molcas	B-Application
website	O
:	O
manual	O
,	O
collection	O
of	O
tutorials	O
.	O
</s>
<s>
There	O
are	O
several	O
publications	O
featuring	O
capability	O
of	O
different	O
versions	O
of	O
MOLCAS	B-Application
:	O
</s>
<s>
MOLCAS	B-Application
7.2	O
has	O
been	O
independently	O
reviewed	O
at	O
JACS	O
computer	O
software	O
reviews	O
.	O
</s>
<s>
There	O
are	O
several	O
Graphical	O
User	O
Interface	O
codes	O
for	O
MOLCAS	B-Application
:	O
and	O
.	O
</s>
