Dear all QE users i am doing adsorption of halogens molecule in graphene sheet but in case of florine molecule in parallel oreintation site there comes of no convergence in 200 iterations also. here is the input file i have used
&control calculation='relax' restart_mode='from_scratch' prefix='florine_pb_relax' outdir='/home/quantumespresso/Downloads/graphene/florine/plane_bridge', pseudo_dir = '/home/quantumespresso/Downloads/graphene/pseudopotentials', tstress=.true. tprnfor=.true. verbosity='high' forc_conv_thr=1.0d-3 etot_conv_thr=1.0d-4 / &SYSTEM ibrav=4 celldm(1)=13.95 celldm(3)=2.71 nat=20 ntyp=2 ecutwfc=45.0 ecutrho=450 occupations='smearing' smearing='mv' degauss=0.002 vdw_corr='dft-d' / &ELECTRONS diagonalization='david' mixing_mode='plain' electron_maxstep = 250 mixing_beta=0.6 conv_thr = 1.0D-8 / &IONS ion_dynamics='bfgs' / ATOMIC_SPECIES C 12.011 C.pbe-rrkjus.UPF F 18.99 F.pbe-n-rrkjus_psl.0.1.UPF ATOMIC_POSITIONS (angstrom) C 0.001400942 -0.001453110 0.000061554 C 1.231769902 0.708444719 -0.000164578 C 2.461445114 -0.001453346 0.000061603 C 3.692208579 0.708052777 0.000149947 C -1.229013376 2.129353884 0.000149939 C 0.001751031 2.838869744 0.000063271 C 1.231423642 2.128967448 -0.000163848 C 2.461792428 2.838870669 0.000063165 C 4.922433860 -0.001636920 0.000046712 C 6.153356720 0.708055695 0.000150032 C 3.691861453 2.129361584 0.000149967 C 4.922782755 2.839054473 0.000047035 C -2.459588312 4.260366023 0.000130489 C -1.228895707 4.970349561 0.000108927 C 0.001082483 4.260080304 0.000108924 C 1.231770589 4.970065828 0.000131168 C 2.461771791 4.260080654 0.000108986 C 3.692437760 4.970346822 0.000108951 F 1.231555657 2.178219256 3.259341253 F 1.231547759 0.659338334 3.259346502 K_POINTS {automatic} 5 5 1 0 0 0 With Best Regrads Nipesh Dulal Tribhuwan university Kathmandu,Nepal
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