[Wien] Suggestions on 32 atom Supercell

2010-11-12 Thread Ghosh SUDDHASATTWA
Dear Wien2k users, 

I have created a B type 32 atom supercell (2x2x2) with a structure file
having space group 225 for a compound of the type AO2. Atom A occupies the
corners of the cube and O occupies the tetrahedral sites. 

Now, I want to add an interstitial atom O at the body centre position that
is at (0.5,0.5,0.5) to create AO2+x 

In the supercell, A atoms have 16 diff positions and O also have 16 with
multiplicity=2. 

There is no position in the structure file with the atomic positions
(0.5,0.5,0.5)

Can anybody help me as to how to create this interstitial? 

Thank you 

Suddhasattwa 

 

 

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[Wien] orbital moment ?

2010-11-12 Thread susanta mohanta
Dear Prof. Blaha and Wien2K users,

  I am working on single Fe impurity in some sp metals.
I am getting Orbital moment almost zero in GGA+U calculation
always, whereas Orbital polarization gives L~ 2. Is it necessary
to do orbital polarization for single impurity in sp metals ? The orbital
moment of Fe in transition metal hosts vanishes due to crystal field
effects. My question is where one should go for orbital polarization
calculation especially ?


with sincere regards
susanta
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[Wien] error in lapw1

2010-11-12 Thread rakhiSharma
Respected sir
 I am trying to run case of Tic(as given in the usaual manual WIEN2k 10.1).
during optimisation run I am getting the the following error

Error in LAPW1
 'SELECT' - no energy limits found for L= 0
 'SELECT' - E-bottom -200.0   E-top -200.0 
  
Kindly help me

thanks 

RAKHI SHARMA

R. at .S
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