Mattar's Selected (Peer Reviewed) Publication List

  -   Mattar, S. M. Accurate Calculation of the Phenyl Radical's Magnetic Inequivalency, Relative Orientations of Its Spin Hamiltonian Tensors, and Its Electronic Spectrum. Journal of Physical Chemistry A 111[2], 251-260. 2007.

 -    Decken, A.; Mattar, S. M.; Passmore, J.; Shuvaev, K. V.; Thompson, L. K. Toward a More General Synthetic Route to Paramagnetic Solids Containing RCNSSS.bul.+ Radical Cations. A Structure-Property Correlation for RCNSSS.bul.+ (R = F5C2, Cl3C). Inorganic Chemistry 45[10], 3878-3886. 2006.

 -    Mattar, S. M. Assignment of the benzo-1,2:4,5-bis(1,3,2-dithiazolyl) ground state using the broken symmetry technique. Chemical Physics Letters 427[4-6], 438-442. 2006.

 -    Mattar, S. M.; Sanford, J. Effects of restricted rotations and solvents on the calculated 2,2'-diphenyl-1-picrylhydrazyl g tensors. Chemical Physics Letters 425[1-3], 148-153. 2006.

 -    Mattar, S. M.; Sanford, J.; Goodfellow, A. D. g Tensor computation of the thiopheno-1,3,2-dithiazolyl radical by the coupled-perturbed Kohn-Sham hybrid density functional method. Chemical Physics Letters 418[1-3], 30-35. 2006.

 -    Decken, A.; Mailman, A.; Mattar, S. M.; Passmore, J. Evolution of the pseudo-1,3-dipolar cycloaddition chemistry of SNSMF6 (M = As, Sb) leading to 2,5-dihydroxybenzo-1,3,2-dithiazolylium and 2,7-dicarbonylnaphtha-1,3,2-dithiazolylium salts and their corresponding radicals. Chemical Communications (Cambridge, United Kingdom) [18], 2366-2368. 2005.

 -   Decken, A.; Mattar, S. M.; Emwas, A. 1,4,11,12-Tetrahydro-9,10-anthraquinone. Acta Crystallographica, Section E: Structure Reports Online E61[3], o641-o642. 2005.

 -    Mattar, S. M. g-Tensor calculations of bicyclic 1,3,2-dithiazolyl radicals using the coupled-perturbed Kohn-Sham UB1LYP and UPBE0 hybrid density functionals. Chemical Physics Letters 405[4-6], 382-388. 2005.

 -    Mattar, S. M. Role of the solvent in computing the 1,4-benzosemiquinone g-tensor by the coupled-perturbed Kohn-Sham hybrid density functional method. Journal of Physical Chemistry B 109[7], 3084. 2005.

 -    Mattar, S. M.; Emwas, A. H.; Calhoun, L. A. Spectroscopic studies of the intermediates in the conversion of 1,4,11,12-tetrahydro-9,10-anthraquinone to 9,10-anthraquinone by reaction with oxygen under basic conditions. Journal of Physical Chemistry A 108[52], 11545-11553. 2004.

 -    Mattar, S. M. Role of the solvent in computing the 1,4-benzosemiquinone g-tensor by the coupled-perturbed Kohn-Sham hybrid density functional method. Journal of Physical Chemistry B 108[27], 9449-9455. 2004.

 -    Mattar, S. M.; Emwas, A. H. A tunable doubly stacked dielectric resonator housed in an intact TE102 cavity for electron paramagnetic resonance spectroscopy. Chemical Physics Letters 368[5,6], 724-731. 2003.

 -    Mattar, S. M.; Emwas, A. H.; Stephens, A. D. Accurate computations of the methyl isotropic hyperfine coupling constants in 2-methyl-1,4-benzosemiquinone radical intermediate. Chemical Physics Letters 363[1,2], 152-160. 2002.

 -    Mattar, S. M.; Stephens, A. D.; Emwas, A. H. Generation and spectroscopic characterization of the 2,3,5,6-tetramethoxy-1,4-benzosemiquinone reactive intermediate. Chemical Physics Letters 352[1,2], 39-47. 2002.

 -    Mattar, S. M.; Stephens, A. D.UB1LYP as an accurate and efficient method for computing the isotropic hyperfine tensor components of neutral bicyclic and tricyclic dithiazole radicals. Chemical Physics Letters 327[5,6], 409-419. 2000.

 -    Mattar, S. M.; Stephens, A. D. UB1LYP hybrid density functional studies of the 2,2,6,6-tetramethyl-4-piperidone oxyl (TEMPONE) hyperfine tensors. Chemical Physics Letters 319[5,6], 601-610. 2000.

 -    Mattar, S. M.; Stephens, A. D.Magnetic Inequivalency, Electron Paramagnetic Resonance, Electronic Structure, Optimal Geometry, and Electronic Spectra of the 4,5-Bis(trifluoromethyl)-1,3,2-dithiazol-2-yl Radical. Journal of Physical Chemistry A 104[16], 3718-3732. 2000.

 -    Mattar, S. M. Calculation of the 1H, 13C, 14N and 33S hyperfine tensors of the 1,3,2-dithiazol-2-yl radical using hybrid density functionals. Chemical Physics Letters 300[5,6], 545-552. 1999.

 -    Mattar, S. M.; Stephens, A. D. Electron paramagnetic resonance evidence for the dihydro-9,10-anthrasemiquinone transient radical anion. Chemical Physics Letters 306[5,6], 249-255. 1999.

 -    Mattar, S. M. Minimum general requirements for equivalent atoms in a molecule. Chemical Physics Letters 287[5,6], 608-612. 1998.

 -    Mattar, S. M.; Sammynaiken, R.; Stephens, A. D. Resistance of the Bianthrone Radical Anion toward Oxidation by Dioxygen. Journal of Physical Chemistry A 101[44], 8227-8232. 1997.

 -    Mattar, S. M.; Hamilton, W. D.; Kingston, C. T. Accuracy of the MRSD-CI technique in computing the X2S+ ScO and TiN hyperfine tensors. Chemical Physics Letters 271[1,2,3], 125-132. 1997.

 -    Mattar, S. M.; Sammynaiken, R. Magnetic inequivalency, electron paramagnetic resonance spectroscopy, and electronic structure of the matrix-isolated (C6H3F3)V half-sandwich. Journal of Chemical Physics 106[3], 1094-1111. 1997.

 -    Mattar, S. M.; Sammynaiken, R.  Electronic structure, ground state, and electron paramagnetic resonance spectroscopy of the matrix-isolated (C6H6)V and (C6D6)V half-sandwich transients. Journal of Chemical Physics 106[3], 1080-1093. 1997.

 -    Mattar, S. M.; Sammynaiken, R.; Unger, I. A probe for the rapid analysis of vanadium: An electron paramagnetic resonance and theoretical perspective. NATO ASI Series, Series C: Mathematical and Physical Sciences 455[Composition, Geochemistry and Conversion of Oil Shales], 379-385. 1995.

 -    Mattar, S. M.; Kennedy, C. MRSD-CI studies of the X 3D VCH hyperfine tensors. Chemical Physics Letters 238[4,5,6], 230-235. 1995.

 -    Mattar, S. M.; Kennedy, C.; Bourque, C. Interpretation of the 17O magnetic inequivalency in 14N17O2. A theoretical and MRSD-CI study. Chemical Physics Letters 227[6], 539-544. 1994.

 -    Mattar, S. M.; Doleman, B. J. Electronic Structure, Optimal Geometries, and Relative Stabilities of the VCr, (C6H6)VCr, and (C6H6)CrV Molecules. Journal of Physical Chemistry 98[39], 9764-9772. 1994.

 -    Mattar, S. M.; Doleman, B. J. MRSD-CI and LDF studies of the VN X 3D and D 3P states. Chemical Physics Letters 216[3-6], 369-374. 1993.

 -    Mattar, S. M. Electronic structure, spectroscopic properties, and state ordering of the isoelectronic diatomic molecules scandium oxide (ScO), titanium nitride (TiN), and vanadium carbide (VC). Journal of Physical Chemistry 97[13], 3171-3175. 1993.

 -    Cameron, T. S.; Haddon, R. C.; Mattar, S. M.; Parsons, S.; Passmore, J.; Ramirez, A. P. Synthesis, characterization, and x-ray crystal structure of the paramagnetic solid 5-(trifluoromethyl)-1,2,3,4-trithiazolium hexafluoroarsenate, containing the novel, planar 7p CF3CNSSS+.bul. radical cation. Inorganic Chemistry 31[11], 2274-2279. 1992.

 -    Cameron, T. S.; Haddon, R. C.; Mattar, S. M.; Parsons, S.; Passmore, J.; Ramirez, A. P. Preparation and crystal structure of the paramagnetic solid F3C[cyclo-CSSSC]CF3AsF6: implications for the identity of R[cyclo-CSSC]R.+. Journal of the Chemical Society, Dalton Transactions: Inorganic Chemistry (1972-1999) [9], 1563-1572. 1992.

 -    Mattar, S. M.; Brewer, S. E. Geometry optimization and computation of the electronic structure of benzene-vanadium ((C6H6)V2) molecules by the local-density-functional LCAO method. Journal of Physical Chemistry 96[4], 1611-1619. 1992.

 -    Mattar, S. M.; Hamilton, W. D. Ground-state geometry, electronic structure, and bonding of the titanium-vanadium and vanadium-nickel dimers by local-spin-density LCAO techniques. Journal of Physical Chemistry 96[4], 1606-1610. 1992.

 -    Cameron, T. S.; Haddon, R. C.; Mattar, S. M.; Parsons, S.; Passmore, J.; Ramirez, A. P. The synthesis, characterization, x-ray crystal structure and solution ESR spectrum of the paramagnetic solid 4,5-bis(trifluoromethyl)-1,2,3-trithiolium hexafluoroarsenate: implications for the identity of 1,2-dithiete cations. Journal of the Chemical Society, Chemical Communications [6], 358-360. 1991.

 -    Mattar, S. M.; Sutherland, D. Oxidation-reduction behavior of bianthrone and bianthronyl in basic dimethyl sulfoxide solutions. Journal of Physical Chemistry 95[13], 5129-5133. 1991.

 -    Mattar, S. M.; Hamilton, W. The ground and some excited state geometries of vanadium monocarbonyl by local-spin-density LCAO techniques. THEOCHEM 72[1-2], 147-155. 1991.

 -    Mattar, S. M. Electron paramagnetic resonance studies of bis(ethylenediamine)copper(II) adsorbed on cellulose fibers. Journal of Physical Chemistry 93[2], 791-797. 1989.

 -    Mattar, S. M.; Hamilton, W. Ground-state geometry of the (h6-benzene)vanadium and (h6-benzene)vanadium(1+) half-sandwich complexes by local-spin-density linear combination of atomic orbitals techniques. Journal of Physical Chemistry 93[8], 2997-2999. 1989.

 -    Mattar, S. M. Correlation between the electron paramagnetic resonance spectra, structure, and bonding of the bis(biuretato)cuprate(II) dianion. Journal of Physical Chemistry 92[3], 607-614. 1988.

 -    Mattar, S. M. Elucidation of the geometry of the dipotassium bis(biuretato)cuprate(II) dimer by simulation of its EPR spectra. Journal of Physical Chemistry 92[5], 1062-1065. 1988.

 -    Mattar, S. M. Anisotropic hyperfine interactions of xenon nuclei surrounding a copper atom. Journal of Physical Chemistry 92[12], 3360-3362. 1988.

 -    Andrews, M. P.; Mattar, S. M.; Ozin, G. A. (C6H6)V and (C6F6)V: an optical, EPR, and IR spectroscopy and Xa-MO study. 1. Journal of Physical Chemistry 90[5], 744-753. 1986.

 -    Andrews, M. P.; Mattar, S. M.; Ozin, G. A. Bis(benzene)vanadium (C6H6)2V: an optical, EPR spectroscopy, and Xa-MO study. 2. Journal of Physical Chemistry 90[6], 1037-1043. 1986.

 -    Mattar, S. M.; Ozin, G. A. Magnetic inequivalency in the EPR spectra of small metal clusters. Journal of Physical Chemistry 90[7], 1355-1360. 1986.

 -    Ruiz, M. E.; Garcia-Prieto, J.; Poulain, E.; Ozin, G. A.; Poirier, R. A.; Mattar, S. M.; Csizmadia, I. G.; Gracie, C.; Novaro, O. Theoretical study on the copper hydride (CuH) + atomic hydrogen +--> copper (Cu) + molecular hydrogen reaction pathway. Journal of Physical Chemistry 90[2], 279-282. 1986.

 -    Tsezos, M.; Mattar, S. A further insight into the mechanism of biosorption of metals, by examining chitin EPR spectra. Talanta 33[3], 225-232. 1986.

 -    Ozin, G. A.; Hugues, F.; Mattar, S. M. Atomic silver fluorescent probe of metal-support interactions in zeolites. Journal of Physical Chemistry 89[2], 300-304. 1985.

 -    Ozin, G. A.; Mattar, S. M.; McIntosh, D. F. Metal cluster electronic and EPR properties: SCF-Xa-SW prediction of the magnetogyric (g) and superhyperfine tensors of trigonal-bipyramidal charged silver clusters Ag5q+ (where q = 2 or 4). Journal of the American Chemical Society 106[25], 7765-7776. 1984.

 -    Andrews, M. P.; Huber, H. X.; Mattar, S. M.; McIntosh, D. F.; Ozin, G. A. (Benzene)vanadium, (C6H6)V: a half-sandwich with an benzene ligand. Journal of the American Chemical Society 105[19], 6170-6172. 1983.

 -    Ozin, G. A.; Hugues, F.; McIntosh, D. F.; Mattar, S. Intrazeolitic and rare gas isolated silver atom and silver cluster spectroscopy, photoprocesses, and support interactions. ACS Symposium Series 218[Intrazeolite Chem.], 409-437. 1983.

 -    Ozin, G. A.; Mitchell, S. A.; McIntosh, D. F.; Mattar, S. M.; Garcia-Prieto, J. Novel copper-atom pairs in solid xenon. Journal of Physical Chemistry 87[23], 4666-4674. 1983.

 -    Ozin, G. A.; Hugues, F.; Mattar, S. M.; McIntosh, D. F. Low nuclearity silver clusters in faujasite-type zeolites: optical spectroscopy, photochemistry and relationship to the photodimerization of alkanes. Journal of Physical Chemistry 87[18], 3445-3450. 1983.

 -    Ozin, G. A.; Mitchell, S. A.; McIntosh, D. F.; Mattar, S. Copper atoms and copper clusters in solid xenon. Special atom and dimer sites and covalently bound clusters with three to five atoms. Journal of Physical Chemistry 87[23], 4651-4665. 1983.

 -    Hocking, M. B.; Mattar, S. M. Electron paramagnetic resonance examination of aqueous anthrasemiquinone radical anion. Journal of Magnetic Resonance (1969-1992) 47[2], 187-199. 1982.

 -    Mattar, S. M. Theoretical and experimental electron paramagnetic resonance studies. A. The conformation of transition metal-biuret complexes and their interaction with carbohydrates and polyols. B. Radical anions of 9,10-anthrasemiquinone generated by carbohydrates.  Ph. D. Thesis, McGill University,1982.

 -    Mattar, S. M.; Fleming, B. I. AQ radicals in alkaline pulping. Tappi 64[4], 136-137. 1981.

 -    Elsabee, M. Z.; Mattar, S. M.; Habashy, G. M. Bonding between copper(II) complexes with celluloses and related carbohydrates. Journal of Polymer Science, Polymer Chemistry Edition 14[7], 1773-1781. 1976.