[Pw_forum] bilayer graphene band structure

2016-05-17 Thread rojib raj
dear altruists, while finding band structure for bilayer graphene, I used "ibrav=4" now can somebody tell me why we use the value of ibrav =4 ??? I think this value indicates 3D structure of graphene which is actually graphite not graphene.it would be helpful if somebody could explain this...

[Pw_forum] Phonon calculations for functionalized frequencies.

2016-05-17 Thread gangotri dey
Hello! I am trying to extract the IR and Raman frequencies of my functionalized frequencies. I have successfully done my geometry relaxation. However, when I am doing the Phonon calculations it shows me this problem, "Error in routine phq_readin (1): no elec. field with metals" I do not

Re: [Pw_forum] error in producing ultra soft pseudo potential.

2016-05-17 Thread Giuseppe Mattioli
Dear Pranay Biswas Version 4.1.2 is outdated since six or seven years. I'm not even going to try to understand your problem if you use such an old version of the code. HTH Giuseppe On Tuesday, May 17, 2016 04:25:42 PM pranay biswas wrote: > dear quantum espresso users, > I'm new in this

[Pw_forum] error in producing ultra soft pseudo potential.

2016-05-17 Thread pranay biswas
dear quantum espresso users, I'm new in this world.please help me I'm trying to produce ultra soft pseudo potential for Titanium using QE 4.1.2. given input is title='Ti', zed=22, rel=0, beta=0.5, rlderiv=2.4, eminld=-4.0, emaxld=4.0, deld=0.02d0, nld=3, config='[Ar] 3d2 4s2 ',

Re: [Pw_forum] Formatting discrepancy in pdos file headers

2016-05-17 Thread Paolo Giannozzi
That part of the code (PP/src/partialdos.f90, line 165 and following) used a nonstandard way (format descriptor "$") to write without advancing. Maybe your compiler doesn't like it. The newer version uses the standard " advance='no' " syntax. Paolo On Mon, May 16, 2016 at 10:54 PM, Eric Glen