I have never heard of it increasing the size of the unit cell... So I am
not familiar with that.

Nick

2012/8/21 Abhishek Asthana <[email protected]>

> 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