Re: [QE-users] [SPAM] atomic positions/coordinates for single molecule

2024-02-19 Thread Microsoft.com team
Dear Husak Thanks a lot for your kind reply. However, I need to perform some dft calculations on isolated molecules and in some examples they introduced the atomic coordinates in the scf file for isolated molecules, but the coordinates were different from those produced by avogadro

Re: [QE-users] [SPAM] atomic positions/coordinates for single molecule

2024-02-19 Thread Husak Michal via users
For solids: CSD database - organic ICSD database - inorganic Rest : molecular modeling as starting point ? Try Avogadro free code before something more complex ... Maybe I do not understand the question. Coorinates are experimentaly known only for solids becouse only X-ray , neutron or electron

[QE-users] atomic positions/coordinates for single molecule

2024-02-19 Thread Tarek Hammad
Dear all How can I obtain the atomic coordinates for single molecules??? for solid state, It is well known for me. Thanks a lot in advance. Tarek Hammad. ___ The Quantum ESPRESSO community stands by the Ukrainian people and expresses its concerns

Re: [QE-users] [SPAM] atomic positions/coordinates for single molecule

2024-02-19 Thread Kazume NISHIDATE
Besides, the CCCBDB has geometric data for some molecules. https://cccbdb.nist.gov/alldata1x.asp 西館数芽 Kazume NISHIDATE Ph.D Department of Systems Innovation Engineering, Graduate School of Science and Engineering, Iwate University 4-3-5 Ueda, Morioka, Iwate, 020-8551 JAPAN

[QE-users] What will be the Atomic Position of a Metallic Element at the Tetrahedral Interstitial Site of Ag2O ?

2024-02-19 Thread MOSES NTSIFUL
Dear all, I am trying to position a metallic element at the Tetrahedral Interstitial Site (TIS) of Ag2O. Can anyone help me with the atomic position at the TIS of this bcc structure, Ag2O. Thank you. Best regards, Moses Ntsiful. ___ The Quantum ESPRESSO

Re: [QE-users] Nonexistent atom Error in routine read card

2024-02-19 Thread Paolo Giannozzi
On 2/19/24 11:53, Parvathy Parameswaran wrote: Error in routine read_cards (1):      species    C in ATOMIC_POSITIONS is nonexistent I presume this is a simple syntax issue the syntax of your file is correct. The error message might be due to the presence of CR-LF or of other

[QE-users] Nonexistent atom Error in routine read card

2024-02-19 Thread Parvathy Parameswaran
Dear QE Community, I am a beginner with QE and am trying to run a simple SCF calculation for graphene. Below are two input files created for the same: calculation='scf' prefix='G' pseudo_dir='/cephyr/users/parpar/Vera/Example1-Graphene/C-PP' / ibrav=4