<div dir="ltr"><div>Dear QE Community,</div><div><br></div><div>I am currently working
on a transition metal-porphyrin system where vanadyl (V=O) is ligated to
a porphyrin molecule, in an isolated state, using Quantum ESPRESSO. I
am performing calculations at the gamma point only. After running an SCF
calculation, I observed the following:</div><div><br></div>Spin-up: HOMO-LUMO: 178-179<br><div>Spin-down: HOMO-LUMO: 177-178.</div><div><br></div><div>I
wanted to visualize the individual molecular orbitals to inspect how my
alpha (spin-up) and beta (spin-down) molecular orbitals (MOs) look. For
this, I ran a postprocessing step using `pp.x` with the following
input:</div><div><br></div>***********************************************************************************************************************************************<br>&INPUTPP<br> outdir = './out'<br> prefix = 'SP_VO-por_chrom_PBE_vdW+U_111'<br> filplot = 'SP_VO-por_chrom_PBE_vdW+U_111_MO.dat',<br> plot_num = 7,<br> kpoint = 1,<br> kband(1) = 177,<br> kband(2) = 179,<br> lsign = .true.,<br>/<br>&PLOT<br> fileout = 'SP_VO-por_chrom_PBE_vdW+U_111_MO.cube',<br> iflag = 3,<br> nfile = 1,<br> output_format = 6,<br> weight(1) = 1.0,<br> filepp(1) = 'SP_VO-por_chrom_PBE_vdW+U_111_MO.dat'<br>/<br>**************************************************************************************************************************************************<br><br><div>However,
I did not obtain the expected individual orbitals for the specified
range (177-179) in the spin-up and spin-down channels. From the
documentation, I noticed the `spin_component` option for `plot_num = 7`,
but it seems to deal with directional magnetization, which is not what I
need.</div><div><br></div><div>I must plot these orbitals individually
because I need to confirm the correct d-orbital assignment on the
vanadium atom, specifically to crosscheck the spin-up and spin-down
HOMO-LUMO orbitals. Having this information will help ensure that the
electronic structure is correctly represented.</div><div><br></div><div> Could
anyone kindly suggest how I can resolve this or point me in the right
direction to achieve the individual plots for these orbitals?</div><div><br></div><div>Any guidance would be much appreciated.</div><div><br></div>Best regards, <font color="#888888"><br>Prem Prakash Sahu<br>University of Florence</font><br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><br></div></div></div></div></div>