The solid-state structures of Sodium (Na), Titanium (Ti), Diamond and Graphite, Sodium Chloride (NaCl), Magnesium Oxide (MgO), Cadmium (II) Iodide (CdI2) and Zirconium Chloride (ZrCl) have been explored in details using computational electron density methods; the full-potential linearized augmented plane wave (FPLAPW) method plus local orbital (FPLAPW+lo) embodied in the WIEN2k package code. Topological analysis of their DFT-computed electron densities in tandem with Bader’s Atoms in Molecules (AIM) theory reveals a plethora of stabilizing interactions some of which are really strong. Na and Ti metals reveal only metallic bonding, diamond and graphite show covalent bonding between the carbon-atoms. In addition, there exist Van der Waals forces between the carbon-atoms on adjacent planes in the graphene sheets. NaCl and MgO exhibit electrostatic interactions between the metals (Na, Mg) and non-metals (Cl, O) respectively. Furthermore, there exist Van der Waals interactions between Cl and O atoms. CdI2 and ZrCl both show ionic and Van der Waals forces between the atoms. ZrCl exhibit metallic bonding and NNMs between the Zr-atoms, which are absent in CdI2 due to longer Cd-Cd bond distances. Analyses of the electron density flatness (f), charge transfer index (c) and molecularity (μ) were computed. It is observed that the different types of interactions increase with complexity of the solid-state structures. Finally, non-nuclear maxima (NNM) were identified for the first time in heteroatomic solid-state systems.
Published in | International Journal of Computational and Theoretical Chemistry (Volume 7, Issue 2) |
DOI | 10.11648/j.ijctc.20190702.12 |
Page(s) | 115-120 |
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This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
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Copyright © The Author(s), 2019. Published by Science Publishing Group |
Atoms in Molecules, DFT Calculations, Electron density, Non-nuclear Maxima Topological Analysis
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APA Style
James Tembei Titah, Franklin Che Ngwa, Peter Sirsch, Coulibaly Wacothon Karime, Mamadou Guy-Richard Kone. (2019). Topological Analysis of the Electron Density Illustrating the Stabilizing Interactions in Some Basic Solid-state Systems. International Journal of Computational and Theoretical Chemistry, 7(2), 115-120. https://doi.org/10.11648/j.ijctc.20190702.12
ACS Style
James Tembei Titah; Franklin Che Ngwa; Peter Sirsch; Coulibaly Wacothon Karime; Mamadou Guy-Richard Kone. Topological Analysis of the Electron Density Illustrating the Stabilizing Interactions in Some Basic Solid-state Systems. Int. J. Comput. Theor. Chem. 2019, 7(2), 115-120. doi: 10.11648/j.ijctc.20190702.12
AMA Style
James Tembei Titah, Franklin Che Ngwa, Peter Sirsch, Coulibaly Wacothon Karime, Mamadou Guy-Richard Kone. Topological Analysis of the Electron Density Illustrating the Stabilizing Interactions in Some Basic Solid-state Systems. Int J Comput Theor Chem. 2019;7(2):115-120. doi: 10.11648/j.ijctc.20190702.12
@article{10.11648/j.ijctc.20190702.12, author = {James Tembei Titah and Franklin Che Ngwa and Peter Sirsch and Coulibaly Wacothon Karime and Mamadou Guy-Richard Kone}, title = {Topological Analysis of the Electron Density Illustrating the Stabilizing Interactions in Some Basic Solid-state Systems}, journal = {International Journal of Computational and Theoretical Chemistry}, volume = {7}, number = {2}, pages = {115-120}, doi = {10.11648/j.ijctc.20190702.12}, url = {https://doi.org/10.11648/j.ijctc.20190702.12}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijctc.20190702.12}, abstract = {The solid-state structures of Sodium (Na), Titanium (Ti), Diamond and Graphite, Sodium Chloride (NaCl), Magnesium Oxide (MgO), Cadmium (II) Iodide (CdI2) and Zirconium Chloride (ZrCl) have been explored in details using computational electron density methods; the full-potential linearized augmented plane wave (FPLAPW) method plus local orbital (FPLAPW+lo) embodied in the WIEN2k package code. Topological analysis of their DFT-computed electron densities in tandem with Bader’s Atoms in Molecules (AIM) theory reveals a plethora of stabilizing interactions some of which are really strong. Na and Ti metals reveal only metallic bonding, diamond and graphite show covalent bonding between the carbon-atoms. In addition, there exist Van der Waals forces between the carbon-atoms on adjacent planes in the graphene sheets. NaCl and MgO exhibit electrostatic interactions between the metals (Na, Mg) and non-metals (Cl, O) respectively. Furthermore, there exist Van der Waals interactions between Cl and O atoms. CdI2 and ZrCl both show ionic and Van der Waals forces between the atoms. ZrCl exhibit metallic bonding and NNMs between the Zr-atoms, which are absent in CdI2 due to longer Cd-Cd bond distances. Analyses of the electron density flatness (f), charge transfer index (c) and molecularity (μ) were computed. It is observed that the different types of interactions increase with complexity of the solid-state structures. Finally, non-nuclear maxima (NNM) were identified for the first time in heteroatomic solid-state systems.}, year = {2019} }
TY - JOUR T1 - Topological Analysis of the Electron Density Illustrating the Stabilizing Interactions in Some Basic Solid-state Systems AU - James Tembei Titah AU - Franklin Che Ngwa AU - Peter Sirsch AU - Coulibaly Wacothon Karime AU - Mamadou Guy-Richard Kone Y1 - 2019/12/07 PY - 2019 N1 - https://doi.org/10.11648/j.ijctc.20190702.12 DO - 10.11648/j.ijctc.20190702.12 T2 - International Journal of Computational and Theoretical Chemistry JF - International Journal of Computational and Theoretical Chemistry JO - International Journal of Computational and Theoretical Chemistry SP - 115 EP - 120 PB - Science Publishing Group SN - 2376-7308 UR - https://doi.org/10.11648/j.ijctc.20190702.12 AB - The solid-state structures of Sodium (Na), Titanium (Ti), Diamond and Graphite, Sodium Chloride (NaCl), Magnesium Oxide (MgO), Cadmium (II) Iodide (CdI2) and Zirconium Chloride (ZrCl) have been explored in details using computational electron density methods; the full-potential linearized augmented plane wave (FPLAPW) method plus local orbital (FPLAPW+lo) embodied in the WIEN2k package code. Topological analysis of their DFT-computed electron densities in tandem with Bader’s Atoms in Molecules (AIM) theory reveals a plethora of stabilizing interactions some of which are really strong. Na and Ti metals reveal only metallic bonding, diamond and graphite show covalent bonding between the carbon-atoms. In addition, there exist Van der Waals forces between the carbon-atoms on adjacent planes in the graphene sheets. NaCl and MgO exhibit electrostatic interactions between the metals (Na, Mg) and non-metals (Cl, O) respectively. Furthermore, there exist Van der Waals interactions between Cl and O atoms. CdI2 and ZrCl both show ionic and Van der Waals forces between the atoms. ZrCl exhibit metallic bonding and NNMs between the Zr-atoms, which are absent in CdI2 due to longer Cd-Cd bond distances. Analyses of the electron density flatness (f), charge transfer index (c) and molecularity (μ) were computed. It is observed that the different types of interactions increase with complexity of the solid-state structures. Finally, non-nuclear maxima (NNM) were identified for the first time in heteroatomic solid-state systems. VL - 7 IS - 2 ER -