I found it. You can change the 10% tolerance to whatever you like by
changing it in "automatic_cell.f" file.

Abhishek

On Tue, Aug 21, 2012 at 1:27 PM, Abhishek Asthana <[email protected]>wrote:

> Hi Roberto,
> I am trying to study how dipole moments of various molecules evolve in time
> and when I put in my lattice vectors and constant, like you suggested, for
> some
>
> reason SIESTA does not output dipole moment.
>
> So i need to find a way to increase the size of the box by changing
> the SIESTA code to change the default of 10% more in each direction to
> something else.
>
> Abhishek
>
>
>
>
> On Tue, Aug 21, 2012 at 6:43 AM, R.C.Pasianot <[email protected]>wrote:
>
>>
>>  Hi Abhishek,
>>
>>  As far as I understand, for a molecule you can use any (consistent)
>>  box size. In particular if you specify "LatticeConstant 1.2 Ang"
>>  you get a box 20% larger than putting "LatticeConstant 1.0 Ang" ...
>>  right ?.
>>  Why should you need to change the code ?.
>>
>>  Regards,
>>
>>  Roberto
>>
>>
>>
>> On Mon, 20 Aug 2012, Abhishek Asthana wrote:
>>
>>  Nick,
>>> Thank you for your response.
>>> I am trying to study how dipole moments of various molecules evolve in
>>> time
>>> and when I put in my lattice vectors, like you suggested, for some
>>> reason SIESTA does not output dipole moment.
>>>
>>> So i need to find a way to increase the size of the box by changing
>>> the SIESTA code to change the default of 10% more in each direction to
>>> something else. Can someone tell me what subroutine to change to do this?
>>>
>>> Abhishek
>>>
>>> On Mon, Aug 20, 2012 at 11:42 PM, Nick Papior Andersen <
>>> [email protected]
>>>
>>>> wrote:
>>>>
>>>
>>>  What do you mean "10% more". If you specify a cell:
>>>> LatticeConstant 1.0 Ang
>>>> %block LatticeVectors
>>>>   2. 0. 0.
>>>>   0. 2. 0.
>>>>   0. 0. 2.
>>>> %endblock LatticeVectors
>>>> AtomicCoordinatesFormat Ang
>>>>
>>>> it will be 2x2x2 Angstrom^3.
>>>>
>>>> Nick
>>>>
>>>> 2012/8/21 Abhishek Asthana <[email protected]>
>>>>
>>>>  Hi!
>>>>> SIESTA assumes a box that is 10% more than the maximum coordinate in
>>>>> that
>>>>> particular direction. If I need to change this so that the box is now
>>>>> 20%
>>>>> more than the maximum coordinate, which subroutine do I need to change
>>>>> for
>>>>> this purpose?
>>>>>
>>>>> Thanks.
>>>>>
>>>>> Abhishek
>>>>>
>>>>>
>>>>
>>>>
>>>
>

Responder a