Structural and electronic properties of single-wall GaN nanotubes: semi-empirical SCF-MO calculations

2004 ◽  
Vol 674 (1-3) ◽  
pp. 1-5 ◽  
Author(s):  
Şakir Erkoç ◽  
Osman Bariş Malcioğlu ◽  
Emre Taşci
Keyword(s):  
Electronic Properties ◽  
Mo Calculations ◽  
Structural And Electronic Properties ◽  
Semi Empirical

scholarly journals Analysis of the structural and electronic properties of 1-(5-Hydroxymethyl - 4 –[ 5 – (5-oxo-5-piperidin-1-yl-penta- 1,3dienyl)-benzo[1,3]dioxol-2-yl] -tetrahydro-furan-2-yl)-5- methyl-1H-pyrimidine-2,4dione molecule

2018 ◽  
Vol 33 (1) ◽  
pp. 71
Author(s):  
Ali Hashem Essa ◽  
A. F. Jalbout
Keyword(s):  
Density Functional Theory ◽  
Electronic Properties ◽  
Ground State ◽  
Density Functional ◽  
Molecular Orbital Calculations ◽  
Active Molecule ◽  
Dft Methods ◽  
Functional Theory ◽  
Structural And Electronic Properties ◽  
Semi Empirical

The structural and electronic properties of 1-(5-Hydroxymethyl - 4 –[ 5 – (5-oxo-5-piperidin- 1 -yl-penta- 1,3 -dienyl)-benzo [1,3] dioxol- 2 -yl]- tetrahydro -furan-2 -yl)-5-methy l-1Hpyrimidine-2,4dione (AHE) molecule have been investigated theoretically by performing density functional theory (DFT), and semi empirical molecular orbital calculations. The geometry of the molecule is optimized at the level of Austin Model 1 (AM1), and the electronic properties and relative energies of the molecules have been calculated by density functional theory in the ground state. The resultant dipole moment of the AHE molecule is about 2.6 and 2.3 Debyes by AM1 and DFT methods respectively, This property of AHE makes it an active molecule with its environment, that is AHE molecule may interacts with its environment strongly in solution.

STRUCTURAL AND ELECTRONIC PROPERTIES OF AlP DOPED HÜCKEL TYPE CYCLACENE WITH FOUR BENZENOID RINGS

2003 ◽  
Vol 14 (09) ◽  
pp. 1183-1189 ◽  
Author(s):  
ŞAKİR ERKOÇ ◽  
OSMAN BARIŞ MALCIOĞLU
Keyword(s):  
Electronic Properties ◽  
The Other ◽  
Present Structure ◽  
Structural And Electronic Properties ◽  
Points Of View ◽  
Semi Empirical

Cyclacene of the Hückel type having four benzenoid rings have been subjected to centric perturbations along both peripheral circuits such that Al and P atoms are alternatingly located. The present structure of perturbed cyclacene let two types of isomeric compounds to arise such that in one case the peri-positions and fusion-points occupied by Al and P atoms, respectively and in the other case reversal of occupation of locations occur. For these structures, AM1-RHF type semi-empirical calculations have been carried out and the systems are analyzed from various energetic points of view.

scholarly journals Computational Study of some Double Headed Acyclo-C-Nucleosides

2015 ◽  
Vol 61 ◽  
pp. 1-11
Author(s):  
Sarah Amara ◽  
Noureddine Tchouar ◽  
Salah Belaidi
Keyword(s):  
Electronic Properties ◽  
Ground State ◽  
Density Functional ◽  
Computational Study ◽  
Experimental Studies ◽  
Functional Theory ◽  
Hartree Fock ◽  
Structural And Electronic Properties ◽  
Semi Empirical

In the present paper we have a focus in a study of theoretical characterization of three double headed acyclo-C-nucleosides, which are a recent target of experimental studies. The structural and electronic properties of double headed acyclo-C-nucleosides, 1,4-bis (3-mercapto-1H-1,2,4-triazol-5-yl) butane-1,2,3,4-tetrol, 1,4-bis (4-amino-5-mercapto-4H-1,2,4-triazol-3-yl) butane-1,2,3,4-tetrol and 5,5'-(1,2,3,4-tetrahydroxybutane-1,4-diyl) bis (1,3,4-oxadiazole-2(3H)-thione), have been investigated theoretically by performing semi-empirical molecular orbital, ab initio Hartree-Fock (HF) and Density Functional Theory (DFT) calculations. Geometries of the three molecules are optimized at the level of Austin Model 1 (AM1). The electronic properties and relative energies of the molecules have been calculated by HF and DFT in the ground state.

STRUCTURAL AND ELECTRONIC PROPERTIES OF DIPROPYL SULFIDE: A THEORETICAL INVESTIGATION

2006 ◽  
Vol 17 (08) ◽  
pp. 1179-1190 ◽  
Author(s):  
EMİNE DENİZ ÇALIŞIR ◽  
ŞAKİR ERKOÇ
Keyword(s):  
Density Functional Theory ◽  
Electronic Properties ◽  
Gas Phase ◽  
Ground State ◽  
Density Functional ◽  
Density Functional Theory Calculations ◽  
Vibrational Modes ◽  
Functional Theory ◽  
Structural And Electronic Properties ◽  
Semi Empirical

The structural, vibrational, electronic and QSAR properties of the dipropyl sulfide (DPS) molecule in gas phase have been investigated theoretically by performing semi-empirical molecular orbital (AM1 and PM3), ab initio (RHF) and density functional theory calculations. The geometry of the molecule has been optimized, infrared spectrum (vibrational modes and intensities) and the electronic properties of the molecule have been calculated in its ground state. It has been found that DPS molecule kinetically may not be stable however it is thermodynamically stable.

STRUCTURAL AND ELECTRONIC PROPERTIES OF THE DPPC MOLECULE

2006 ◽  
Vol 17 (07) ◽  
pp. 967-974 ◽  
Author(s):  
ŞAKİR ERKOÇ ◽  
FİLİZ KORKMAZ
Keyword(s):  
Electronic Properties ◽  
Molecular Orbital ◽  
Ground State ◽  
Molecular Orbital Theory ◽  
Orbital Theory ◽  
Consistent Field ◽  
Structural And Electronic Properties ◽  
Self Consistent ◽  
Self Consistent Field ◽  
Semi Empirical

The structural and electronic properties of the DPPC molecule have been investigated theoretically by performing semi-empirical self-consistent-field molecular-orbital theory calculations at the PM3 level in its ground state.

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