Relevant bibliographies by topics / Ground and excited state dipole moments

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Academic literature on the topic 'Ground and excited state dipole moments'

Author: Grafiati
Published: 5 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Ground and excited state dipole moments"

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Ogunsipe, Abimbola. "A semi-empirical estimation of ground and excited state dipole moments of zinc phthalocyanine from solvatochromic shift data." International Journal of Advanced Chemistry 6, no. 2 (2018): 190. http://dx.doi.org/10.14419/ijac.v6i2.11019.

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A semi-empirical determination of ground and excited state dipole moments of zinc phthalocyanine (ZnPc) from solvatochromic shifts is hereby presented. The ratio of the excited- and ground-state dipole moments of ZnPc ( ) was estimated by a combination of the Bakshiev and the Kawski-Chamma-Viallet’s equations, while the difference in the excited- and ground-state dipole moments (Dm) was estimated usingthe molecular-microscopic solvent polarity parameters ( ), alongside the Stokes’ shifts (Dῡ) in the various solvents. The dipole moment of ZnPc is significantly higher in the excited singlet stat
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Párkányi, Cyril, Christian Boniface, Jean-Jacques Aaron, Mihaela Bulaceanu-MacNair, and Marwan Dakkouri. "Theoretical and Experimental Dipole Moments of Purines." Collection of Czechoslovak Chemical Communications 67, no. 8 (2002): 1109–24. http://dx.doi.org/10.1135/cccc20021109.

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As a follow-up on our previous study of a series of purines (purine, 6-chloropurine, purine-6-thiol, hypoxanthine, theobromine, theophylline, caffeine, and uric acid), we have investigated six additional biologically important purines (adenine, guanine, isoguanine, thioguanine, xanthine, and kinetin). Their ground-state dipole moments were measured in dioxane at 293 K. The first excited singlet-state dipole moments were obtained using the solvatochromic shift equations (McRae, Suppan, Bakhshiev, and Kawski-Chamma-Viallet). The theoretical dipole moments were calculated as a combination of the
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Hirematada, Darukaswamy Tulahalli, Mallikarjun Kalagouda Patil, Sanjeev Ramchandra Inamdar, and Kotresh Mare Goudar. "Exploring solvatochromism in Nile Blue 690 dye: Evaluating dipole moments across the ground and excited states." European Journal of Chemistry 15, no. 2 (2024): 178–85. http://dx.doi.org/10.5155/eurjchem.15.2.178-185.2533.

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This study investigates the photophysical properties of Nile Blue 690 (NB-690) dye using spectroscopic techniques. Absorption and fluorescence spectroscopy were used to analyze NB-690, revealing pronounced bathochromic shifts in both absorption and fluorescence spectra, indicative of the π → π* transition. The study focuses on estimating ground- and excited-state dipole moments of NB-690 through solvatochromic shifts in absorption and fluorescence spectra. Various computational methods, including the Bilot-Kawski approach for ground state dipole moment computation, and the Reichardt correlatio
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Edwin Otieno Akumu. "Effects of solvent polarity on the absorption and fluorescence spectra of 3-cyano-7-hydroxy-4-methylcoumarin." Kabarak Journal of Research & Innovation 8, no. 1 (2019): 65–71. http://dx.doi.org/10.58216/kjri.v8i1.120.

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The Absorption and fluorescence emission spectra of 3-cyano-7-hydroxy-4-methylcoumarin (3C7H4M) were studied in solvents of different dielectric constant ε and refractive index n. Experimental ground and excited state dipole moments were established by means of solvatochromic shift method. Both the ground state and excited state dipole moments were established. Results revealed that the excited state dipole moments of 3C7H4M were higher than those of the ground state. Further it is evident from these results that, the changes in the dipole moments on electronic excitation are small.
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Gebreyohanes, Ataklti Abraha, Abebe Belay, and Getachew Alemu. "Effect of Solvent Polarity on the Absorption and Fluorescence Spectra of Nicotinamide: Determination of Ground and Excited State Dipole Moments." East European Journal of Physics, no. 4 (December 6, 2022): 190–99. http://dx.doi.org/10.26565/2312-4334-2022-4-20.

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Nicotinamide (NIC) is an amide-form vitamin with a carboxamide group at b positions that is involved in a variety of biological activities. The drugs contain functional groups which control the type and degree of interaction with different solvents. In this research, the ground and excited state dipole moments of nicotinamide (NIC) were estimated using solvatochromic effects and computational work. A general overview of solvent effects on the electronic absorption and fluorescence spectra of NIC is presented. In both spectra, pronounced solvatochromic effects were observed, and the shift of em
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Rayanal, Manjula, Prasad Pralhad Pujar, and Sridhar D. "Studies on Photophysical Properties of Mono-carbonyl Curcumin Analogues: Experimental and Theoretical approach." Oriental Journal of Chemistry 34, no. 4 (2018): 2170–79. http://dx.doi.org/10.13005/ojc/3404059.

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The solvatochromic fluorescence behaviour of mono-carbonyl curcumin analogues has been studied in ten different solvents ranging from non-polar to polar. The solvent effect on the spectral properties of analogues has been discussed. The ground state dipole moments were estimated experimentally by Bilot-Kawski equation which is a function of Stokes shift with the solvent polarity parameters and Guggenheim method and theoretically by TD-DFT studies. The excited state dipole moment was determined using Bilot-Kawski equations. The excited state dipole moments for the two molecules were found to be
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Kawski, A. "Ground-and Excited-State Dipole Moments of 6-Propionyl-2-(dimethylamino)naphthalene Determined from Solvatochromic Shifts." Zeitschrift für Naturforschung A 54, no. 6-7 (1999): 379–81. http://dx.doi.org/10.1515/zna-1999-6-706.

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Abstract The dipole moments in the ground-and excited-state of the fluorescence probe 6-propionyl-2-(dim-ethylamino)naphthalene (PRODAN) are determined from solvatochromic shifts to μe = 2.1 D and μg = 6.4 D. These values concern the free molecule. In the first excited singlet state the dipole moment is only 3 times greater than in the ground state.
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Woldegiorges, Kinfe, Abebe Belay, Alemu Kebede, and Tamirat Abebe. "Estimating the Ground and Excited State Dipole Moments of Levofloxacin and Norfloxacin Drugs Using Solvatochromic Effects and Computational Work." Journal of Spectroscopy 2021 (December 10, 2021): 1–13. http://dx.doi.org/10.1155/2021/7214182.

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Levofloxacin (LVF) and norfloxacin (NRF) are a group of fluoroquinolone antibiotics, broad spectrum used to treat various infections caused by many bacterial species. The drugs contain functional groups which control the type and degree of interaction with different solvents. In this research, the ground and excited state dipole moments of LVF and NRF drugs were estimated using solvatochromic effects and computational work. The dipole moments were estimated from absorption and emission spectra in polar and nonpolar solvents using Bakhshiev’s, Kawski–Chamma–Viallet, Lippert–Mataga, and Reichard
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J, Thipperudrappa. "Study of Solvent Effect in 2, 5-DPAPMC Dye Using Different Solvent Polarity Parameters and Estimation of Dipole Moments." Mapana - Journal of Sciences 13, no. 1 (2017): 101–17. http://dx.doi.org/10.12723/mjs.28.7.

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The solvent effect on absorption and fluorescence spectra of a ketocyanine dye 2,5-di[(E)-1-(4- dipropylaminophenyl) methylidine]-1-cyclopentanone (2,5-DPAPMC) is analysed using Lippert-Mataga bulk polarity function, Reichardt’s microscopic solvent polarity parameter and Kamlet’s multipl e linear regression approach. The spectral properties better follows Reichardt’s microscopic solvent polarity parameter than Lippert-Mataga bulk polarity parameter. This indicates the presence of both general solute – solvent interactions and specific interactions. Kamlet’s multiple linear regression approach
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Pujari, Vikram, Mallikarjun K. Patil, T. S. Tilakraj, Vighneshwar S. Bhat, and Sanjeev R. Inamdar. "Photophysical Properties of Rhodamine Dyes in Aqueous Organic Solvents: Evaluation of Ground and Excited State Dipole moments." IOP Conference Series: Materials Science and Engineering 1221, no. 1 (2022): 012012. http://dx.doi.org/10.1088/1757-899x/1221/1/012012.

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Abstract In this present work, we have determined the ground and excited state dipole moments of two Rhodamine dyes with similar molecular skeleton and having different functional groups, namely Rhodamine 560 chloride (R560) and Rhodamine 610 Chloride (R610). Absorption and emission spectra of R560 and R610 were recorded in binary mixtures of DMSO-Water and 2 Propanol-Water at varying compositions. The two probes exhibit hypochromic / bathochromic shift in absorption and fluorescence spectra for different compositions of aqueous organic solvents. This shift arises mainly because of polarity of
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Dissertations / Theses on the topic "Ground and excited state dipole moments"

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Illien, Bertrand. "Etude theorique de molecules organiques en series benzopyranique et dithiolique pour l'optique non-lineaire quadratique. Mise en uvre et corrections apportees aux calculs des proprietes monoelectroniques dans le programme semi-empirique vamp." Rennes 1, 1996. http://www.theses.fr/1996REN10063.

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Ce travail comporte deux parties. La premiere est consacree a l'etude theorique semi-empirique des proprietes electroniques liees aux caracteristiques non-lineaires du second ordre de molecules comportant les cinq types de groupements electroattracteurs suivants: 4h-1-benzopyrane-4-one, 4h-1-benzopyrane-4-thione, (4h-1-benzopyrane-4-ylidene)-malononitrile, 3h-1,2-dithiole-3-one, 3h-1,2-dithiole-3-thione. Apres un rappel des principales techniques de mesures mises en uvre pour caracteriser la non-linearite des molecules etudiees, nous decrivons dans le chapitre suivant les differentes formulati
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Books on the topic "Ground and excited state dipole moments"

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United States. National Aeronautics and Space Administration., ed. A correlated ab initio study of linear carbon-chain radicals C(sub n)H (n=2-7). National Aeronautics and Space Administration, 1995.

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United States. National Aeronautics and Space Administration., ed. A correlated ab initio study of linear carbon-chain radicals C(sub n)H (n=2-7). National Aeronautics and Space Administration, 1995.

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Book chapters on the topic "Ground and excited state dipole moments"

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Manohara, S. R., V. Udaya Kumar, Shivakumaraiah, and L. Gerward. "Ground- and Excited-State Dipole Moments of 1, 2-Diazine Nanomaterials Using Solvatochromic Method." In Springer Proceedings in Physics. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-34216-5_29.

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Macovei, Vasile, and Ana Sasu. "The Influence of the Solvents on the Electronic Spectra of Some Aromatic Molecules and their Dipole Moments in the Excited State. The Solvent Effects on the Aniline Electronic Band at 34,870 cm-1." In Chemical Reactivity in Liquids. Springer US, 1988. http://dx.doi.org/10.1007/978-1-4613-1023-5_11.

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Baumann, W., Z. Nagy, A. K. Maiti, H. Reis, Silvana Vianna Rodrigues, and N. Detzer. "Intramolecular Charge Transfer as Revealed by Results from the Measurement of Ground and Excited State Dipole Moments." In Dynamics and Mechanisms of Photoinduced Electron Transfer and Related Phenomena. Elsevier, 1992. http://dx.doi.org/10.1016/b978-0-444-89191-4.50022-7.

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Salam A. "Effect of magnetic dipole coupling on optical binding energies between molecules." In Atomic and Molecular Nonlinear Optics: Theory, Experiment and Computation. IOS Press, 2011. https://doi.org/10.3233/978-1-60750-742-0-436.

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Within the framework of molecular quantum electrodynamics, the method of induced multipole moments is used to compute the laser-induced intermolecular energy shift between an electric dipole polarizable molecule and a magnetic dipole susceptible molecule, and between two magnetic dipole polarizable molecules. The physical viewpoint adopted in the calculation is one in which an applied electromagnetic field induces molecular multipole moments in each entity, which couple via the retarded resonant multipole-multipole interaction tensors. Expectation values taken over the ground electronic states
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Jensen, Jens, and Allan R. Mackintosh. "Spin Waves In The Ferromagnetic Heavy Rare Earths." In Rare Earth Magnetism. Oxford University PressOxford, 1991. http://dx.doi.org/10.1093/oso/9780198520276.003.0005.

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Abstract As discussed in Section 1.5, the exchange interaction dominates the magnetic behaviour of the heavy rare earth metals, and the ordered moments at low temperatures are consequently close to the saturation values. The excitations of such a system are spin waves, which may be viewed semi-classically as coupled precessions of the moments about their equilibrium directions, with well-defined frequencies which are determined by the phase relations between the precessing moments on different sites. From the viewpoint of quantum mechanics, these modes are magnons, which are linear combination
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Harakeh, M. N., and A. van der Woude. "Isovector Electric GRs." In Giant Resonances. Oxford University PressOxford, 2001. http://dx.doi.org/10.1093/oso/9780198517337.003.0005.

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Abstract In this chapter an overview will be presented of the isovector GRs built on the ground state of nuclei, the giant dipole resonance being the oldest and best known one. Macroscopically these resonances can be understood as out-of- phase vibrations of neutrons against protons (polarisation modes). They are characterised by the quantum numbers ΔT = 1, ΔS = 0 and ΔL = 0, 1, As discussed in Chapter 3, ΔT = 1, ΔS = 0 transitions can be excited either by γabsorption (or emission) and inelastic hadron scattering with ΔT3 = 0 or by specific charge-exchange reactions with ΔT3 = ±1. Compared wit
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Roos, Björn O., and Per-Åke Malmqvist. "On the Effects of Spin–Orbit Coupling on Molecular Properties: Dipole Moment and Polarizability of PbO and Spectroscopic Constants for the Ground and Excited States." In Advances in Quantum Chemistry. Elsevier, 2004. http://dx.doi.org/10.1016/s0065-3276(04)47003-8.

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Conference papers on the topic "Ground and excited state dipole moments"

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Joshi, Sunita, and Debi D. Pant. "Solvatochromic study of quinidine: Determination of ground and excited state dipole moments." In PROCEEDING OF INTERNATIONAL CONFERENCE ON RECENT TRENDS IN APPLIED PHYSICS AND MATERIAL SCIENCE: RAM 2013. AIP, 2013. http://dx.doi.org/10.1063/1.4810468.

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Joshi, Sunita, and Debi D. Pant. "Solvent effects on the absorption and fluorescence spectra of quinine sulphate: Estimation of ground and excited-state dipole moments." In SOLID STATE PHYSICS: Proceedings of the 56th DAE Solid State Physics Symposium 2011. AIP, 2012. http://dx.doi.org/10.1063/1.4709950.

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Andrews, James H., John D. V. Khaydarov, Kenneth D. Singer, Diana L. Hull, and Kathy C. Chuang. "Third Harmonic Dispersion Studies of Centrosymmetric and Noncentrosymmetric Squaraines." In Organic Thin Films for Photonic Applications. Optica Publishing Group, 1995. http://dx.doi.org/10.1364/otfa.1995.pd4.

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Third harmonic dispersion was measured in centrosymmetric and noncentrosymmetric squaraine molecular solutions. A large contribution to the third order nonlinearity from the 1Bu to 2Ag state was revealed. Contributions from ground and excited state dipole moments in ostensibly centrosymmetric and noncentrosymmetric dyes were observed.
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Shcherbatska, Nina V., Philippe I. Bastiaens, Antonie J. W. G. Visser, Stephan A. Jonker, and John M. Warman. "Dipole moments in the ground- and excited-state of flavin from molecular relaxation spectroscopy and microwave conductivity." In OE/LASE '92, edited by Joseph R. Lakowicz. SPIE, 1992. http://dx.doi.org/10.1117/12.58213.

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Muddapur, G. V., V. V. Koppal, N. R. Patil, and R. M. Melavanki. "Photophysical properties of thiadiazoles derivative: Estimation of ground and excited state dipole moments by theoretical and experimental approach." In INTERNATIONAL CONFERENCE ON CONDENSED MATTER AND APPLIED PHYSICS (ICC 2015): Proceeding of International Conference on Condensed Matter and Applied Physics. Author(s), 2016. http://dx.doi.org/10.1063/1.4946424.

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Ingalagondi, P. K., Omnath Patil, G. Shivaraj, T. Sankarappa, and S. M. Hanagodimath. "Solvent effect on the spectral properties of coumarin laser dye: Estimation of ground and excited state dipole moments." In ADVANCES IN BASIC SCIENCE (ICABS 2019). AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5122541.

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Nemkovich, N. A., W. Baumann, and H. Reis. "Study of Ground and Excited Singlet-State Dipole Moments of Laser Coumarins by Electro-Optical Absorption and Emission Method." In EQEC'96. 1996 European Quantum Electronic Conference. IEEE, 1996. http://dx.doi.org/10.1109/eqec.1996.561867.

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Varma, Y. Tej, Sunita Joshi, and Debi D. Pant. "Estimation of ground and excited state dipole moments of 6-methoxyquinoline from solvatochromic effect on absorption and fluorescence spectra." In PROCEEDING OF INTERNATIONAL CONFERENCE ON RECENT TRENDS IN APPLIED PHYSICS AND MATERIAL SCIENCE: RAM 2013. AIP, 2013. http://dx.doi.org/10.1063/1.4810631.

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Kadolkar, Prajakta S., Shivaraj A. Patil, M. Y. Kariduraganavar, and Sanjeev R. Inamdar. "Evaluation of ground and excited state dipole moments of alexa fluor 350-NHS ester in binary mixtures of DMSO-water." In INTERNATIONAL CONFERENCE ON “MULTIDIMENSIONAL ROLE OF BASIC SCIENCE IN ADVANCED TECHNOLOGY” ICMBAT 2018. Author(s), 2019. http://dx.doi.org/10.1063/1.5100456.

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Patil, Shivaraj A., Prajakta S. Kadolkar, R. H. Fattepur, and Sanjeev R. Inamdar. "Evaluation of ground and excited state dipole moments of coumarin 480 in aqueous DMSO: An experimental and DFT/TDDFT study." In INTERNATIONAL CONFERENCE ON “MULTIDIMENSIONAL ROLE OF BASIC SCIENCE IN ADVANCED TECHNOLOGY” ICMBAT 2018. Author(s), 2019. http://dx.doi.org/10.1063/1.5100457.

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Reports on the topic "Ground and excited state dipole moments"

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Stone, N. J. Table of Recommended Nuclear Magnetic Dipole Moments: Part I - Long-lived States. IAEA Nuclear Data Section, 2019. http://dx.doi.org/10.61092/iaea.yjpc-cns6.

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This Table gives recommended values of static magnetic dipole moments of ground states and excited states of atomic nuclei throughout the periodic table having lifetimes >~ 1 ms. To aid identification of the states, their excitation energy, half-life, spin and parity are also provided. The literature search covers the period to April 2019.
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Stone, N. J. Table of Nuclear Electric Quadrupole Moments. IAEA Nuclear Data Section, 2021. http://dx.doi.org/10.61092/iaea.a6te-dg7q.

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This Table is a compilation of experimental measurements of static electric quadrupole moments of ground states and excited states of atomic nuclei throughout the periodic table. To aid identification of the states, their excitation energy, half-life, spin and parity are given, along with a brief indication of the method and any reference standard used in the particular measurement. Experimental data from all quadrupole moment measurements actually provide a value of the product of the moment and the electric field gradient (EFG) acting at the nucleus. Knowledge of the EFG is thus necessary to
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