<s>
The	O
Disordered	B-Language
Structure	I-Language
Refinement	I-Language
program	O
(	O
DSR	O
)	O
,	O
written	O
by	O
Daniel	O
Kratzert	O
,	O
is	O
designed	O
to	O
simplify	O
the	O
modeling	O
of	O
molecular	O
disorder	O
in	O
crystal	O
structures	O
using	O
SHELXL	O
by	O
George	O
M	O
.	O
Sheldrick	O
.	O
</s>
<s>
Since	O
2016	O
ShelXle	B-Application
has	O
a	O
graphical	O
interface	O
to	O
DSR	O
.	O
</s>
<s>
In	O
order	O
to	O
transfer	O
a	O
fragment	O
into	O
a	O
structure	O
,	O
three	O
atoms	O
/	O
q-peaks	O
have	O
to	O
be	O
selected	O
in	O
ShelXle	B-Application
and	O
in	O
the	O
DSR	O
GUI	O
each	O
to	O
specify	O
the	O
position	O
of	O
the	O
fragment	O
.	O
</s>
<s>
It	O
is	O
under	O
the	O
free	O
Beerware	B-License
license	O
and	O
can	O
be	O
downloaded	O
free	O
of	O
charge	O
and	O
changed	O
as	O
desired	O
.	O
</s>
