Volume 5, Issue 3, September 2019, Page: 27-36
Hartree-fock Methods Analysis Protonated Rhodochrosite Crystal and Potential in the Elimination of Cancer Cells Through Synchrotron Radiation
Ricardo Gobato, Laboratory of Biophysics and Molecular Modeling Genesis, Parana, Brazil
Marcia Regina Risso Gobato, Green Land Landscaping and Gardening, Seedling Growth Laboratory, Parana, Brazil
Alireza Heidari, Faculty of Chemistry, California South University, Irvine, USA
Abhijit Mitra, Department of Marine Science, University of Calcutta, Kolkata, India
Received: Sep. 27, 2019;       Accepted: Oct. 11, 2019;       Published: Oct. 25, 2019
DOI: 10.11648/j.rst.20190503.12      View  33      Downloads  11
Abstract
The rhodochrosite as crystal oscillator for being an alternative to those of quartz. The rhodochrosite (MnCO3) shows complete solid solution with siderite (FeCO3), and it may contain substantial amounts of Zn, Mg, Co, and Ca. There is no precedent in the literature on the treatment of tumor tissues by eliminating these affected tissues, using rhodocrosite crystals in tissue absorption and eliminating cancerous tissues by synchrotron radiation. The studies that are found are the research papers of this team. Through an unrestricted Hartree-Fock (UHF) computational simulation, Compact effective potentials (CEP), the infrared spectrum of the protonated rhodochrosite crystal, CH19Mn6O8, and the load distribution by the unit molecule by two widely used methods, Atomic Polar Tensor (APT) and Mulliken, were studied. The rhodochrosite crystal unit cell of structure CMn6O8, where the load distribution by the molecule was verified in the UHF CEP-4G (Effective core potential (ECP) minimal basis), UHF CEP-31G (ECP split valance) and UHF CEP-121G (ECP triple-split basis). The largest load variation in the APT and Mulliken methods were obtained in the CEP-121G basis set, with δ = 2.922 e δ = 2.650 u. a., respectively, being δAPT > δMulliken. The maximum absorbance peaks in the CEP-4G, CEP-31G and CEP-121G basis set are present at the frequencies 2172.23 cm-1, with a normalized intensity of 0.65; 2231.4 cm-1 and 0.454; and 2177.24 cm-1 and 1.0, respectively. An in-depth study is necessary to verify the absorption by the tumoral and non-tumoral tissues of rhodochrosite, before and after irradiating of synchrotron radiation using Small–Angle X–Ray Scattering (SAXS), Ultra–Small Angle X–Ray Scattering (USAXS), Fluctuation X–Ray Scattering (FXS), Wide–Angle X–Ray Scattering (WAXS), Grazing–Incidence Small–Angle X–Ray Scattering (GISAXS), Grazing–Incidence Wide–Angle X–Ray Scattering (GIWAXS), Small–Angle Neutron Scattering (SANS), Grazing–Incidence Small–Angle Neutron Scattering (GISANS), X–Ray Diffraction (XRD), Powder X–Ray Diffraction (PXRD), Wide–Angle X–Ray Diffraction (WAXD), Grazing– Incidence X–Ray Diffraction (GIXD) and Energy–Dispersive X–Ray Diffraction (EDXRD). Later studies could check the advantages and disadvantages of rhodochrosite in the treatment of cancer through synchrotron radiation, such as one oscillator crystal. Studying the sites of rhodocrosite action may lead to a better understanding of its absorption by healthy and/or tumor tissues, thus leading to a better application of synchrotron radiation to the tumors to eliminate them.
Keywords
Rhodochrosite, Quartz Crystal, Hartree-Fock Methods, APT, Mulliken, Effective Core Potential, Synchrotron Radiation, Cancer, Tumoral Tissues
To cite this article
Ricardo Gobato, Marcia Regina Risso Gobato, Alireza Heidari, Abhijit Mitra, Hartree-fock Methods Analysis Protonated Rhodochrosite Crystal and Potential in the Elimination of Cancer Cells Through Synchrotron Radiation, Radiation Science and Technology. Vol. 5, No. 3, 2019, pp. 27-36. doi: 10.11648/j.rst.20190503.12
Copyright
Copyright © 2019 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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W. J. Stevens, M. Krauss, H. Basch, and P. G. Jasien, “Relativistic compact effective potentials and efficient, shared-exponent basis-sets for the 3rd-row, 4th-row, and 5th-row atoms,” Can. J. Chem., 70 (1992) 612-30. DOI: 10.1139/v92-085.
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T. R. Cundari and W. J. Stevens, “Effective core potential methods for the lanthanides,” J. Chem. Phys., 98 (1993) 5555-65. DOI: 10.1063/1.464902.
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