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Study the Electronic Structure of Tetragermanium-Cyclobutane Molecule Density Functional Theory

Authors: Mostafa Salim Mohammed --- Hayder M. Abduljalil
Journal: Journal of University of Babylon مجلة جامعة بابل ISSN: 19920652 23128135 Year: 2012 Volume: 22 Issue: 1 Pages: 507-515
Publisher: Babylon University جامعة بابل

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Abstract

This work reports a theoretical study to investigate the electronic structure and electronic properties for a saturated molecules group by using density functional theory (DFT) at B3LYP level with bases set 6-31G. Cyclobutane molecule is original molecule before substitute carbon atoms by germanium atoms. The effect of substitute on cyclobutane molecule discussed based on the calculated electronic properties. The electronic properties included total energy, energy gap, ionization potential, electronic affinity, hardness, softness, electronegativity and electrophilicity, have been found with varying differences for each molecule, with comprehensive analysis of the calculated highest-occupied (Homo) and lowest-unoccupied orbital (Lumo) energies. These calculations have performed using Gaussian 03 package.

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