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  Partner: UNT College of Arts and Sciences
Experimental Evidence for Heavy-Atom Tunneling in the Ring-Opening of Cyclopropylcarbinyl Radical from Intramolecular 12C/13C Kinetic Isotope Effects

Experimental Evidence for Heavy-Atom Tunneling in the Ring-Opening of Cyclopropylcarbinyl Radical from Intramolecular 12C/13C Kinetic Isotope Effects

Date: August 19, 2010
Creator: Gonzalez-James, Ollie M.; Zhang, Xue; Datta, Ayan; Hrovat, David A.; Singleton, Daniel A. & Borden, Weston T., 1943-
Description: Article on experimental evidence for heavy-atom tunneling in the ring-opening of cyclopropylcarbinyl radical from intramolecular 12C/13C kinetic isotope effects.
Contributing Partner: UNT College of Arts and Sciences
Through-Bond Interactions in the Diradical Intermediates Formed in the Rearrangements of Bicyclo[n.m.0]alkatetraenes

Through-Bond Interactions in the Diradical Intermediates Formed in the Rearrangements of Bicyclo[n.m.0]alkatetraenes

Date: September 24, 2010
Creator: Lovitt, Charity Flener; Dong, Hao; Hrovat, David A.; Gleiter, Rolf & Borden, Weston T., 1943-
Description: Article on through-bond interactions in the diradical intermediates formed in the rearrangements of bicyclo[n.m.0]alkatetraenes.
Contributing Partner: UNT College of Arts and Sciences
Cyclooctatetraenes Tetrakis-Annelated with α-Dithio- or α-Diselenocarbonyl Groups: Diradicals Predicted To Have Ground States with 10 π Electrons in the Eight-Membered Ring and Two-Center, Three-Electron, σ Bonds between Two Pairs of Chalcogen Atoms

Cyclooctatetraenes Tetrakis-Annelated with α-Dithio- or α-Diselenocarbonyl Groups: Diradicals Predicted To Have Ground States with 10 π Electrons in the Eight-Membered Ring and Two-Center, Three-Electron, σ Bonds between Two Pairs of Chalcogen Atoms

Date: February 12, 2010
Creator: Zhou, Xin; Hrovat, David A. & Borden, Weston T., 1943-
Description: Article on cyclooctatetraenes tetrakis-annelated with α-dithio- or α-diselenocarbonyl groups.
Contributing Partner: UNT College of Arts and Sciences
Calculations of the Relative Energies of the 2B1g and 2A2u States of Cyclobutanetetraone Radical Cation and Radical Anion Provide Further Evidence of a 3B2u Ground State for the Neutral Molecule: A Proposed Experimental Test of the Prediction of a Triplet Ground State for (CO)4

Calculations of the Relative Energies of the 2B1g and 2A2u States of Cyclobutanetetraone Radical Cation and Radical Anion Provide Further Evidence of a 3B2u Ground State for the Neutral Molecule: A Proposed Experimental Test of the Prediction of a Triplet Ground State for (CO)4

Date: 2010
Creator: Zhou, Xin; Hrovat, David A. & Borden, Weston T., 1943-
Description: Article on a proposed experimental test of the prediction of a triplet ground state for (CO)4.
Contributing Partner: UNT College of Arts and Sciences
Low-Coordinate Chromium Siloxides: The "Box" [Cr(μ-OSitBu3)]4, Distorted Trigonal [(tBu3SiO)3Cr] [Na(benzene)] and [(tBu3SiO)3Cr] [Na(dibenzo-18-c-6)], and Trigonal (tBu3SiO)3Cr

Low-Coordinate Chromium Siloxides: The "Box" [Cr(μ-OSitBu3)]4, Distorted Trigonal [(tBu3SiO)3Cr] [Na(benzene)] and [(tBu3SiO)3Cr] [Na(dibenzo-18-c-6)], and Trigonal (tBu3SiO)3Cr

Date: March 24, 2005
Creator: Sydora, Orson L.; Wolczanski, Peter T.; Lobkovsky, Emil B.; Buda, Corneliu & Cundari, Thomas R., 1964-
Description: Article discussing low-coordinate chromium siloxides and the "box" [Cr(μ-Cl)(μ-OSiᵗBu₃)]₄, distorted trigonal [(ᵗBu₃SiO)₃Cr][Na(benzene)] and [(ᵗBu₃SiO)₃Cr][Na(dibenzo-18-c-6)], and trigonal (ᵗBu₃SiO)₃Cr.
Contributing Partner: UNT College of Arts and Sciences
The Butterfly Dimer [(tBu3SiO)Cr]2 (μ-OSitBu3)2 and Its Oxidative Cleavage to (tBu3SiO)2 Cr(=N-N=CPh2)2 and (tBu3SiO)2 Cr=N(2,6-Ph2-C6H3)

The Butterfly Dimer [(tBu3SiO)Cr]2 (μ-OSitBu3)2 and Its Oxidative Cleavage to (tBu3SiO)2 Cr(=N-N=CPh2)2 and (tBu3SiO)2 Cr=N(2,6-Ph2-C6H3)

Date: January 12, 2006
Creator: Sydora, Orson L.; Kuiper, David S.; Wolczanski, Peter T.; Lobkovsky, Emil B.; Dinescu, Adriana & Cundari, Thomas R., 1964-
Description: Article discussing research on the butterfly dimer [(ᵗBu₃SiO)Cr]₂(μ-OSiᵗBu₃)₂ and its oxidative cleavage to (ᵗBu₃SiO)₂Cr(=N-N=CPh₂)₂ and (ᵗBu₃SiO)₂Cr=N(2,6-Ph₂-C₆H₃).
Contributing Partner: UNT College of Arts and Sciences
The correlation consistent composite approach (ccCA): An alternative to the Gaussian-n methods

The correlation consistent composite approach (ccCA): An alternative to the Gaussian-n methods

Date: March 17, 2006
Creator: DeYonker, Nathan J.; Cundari, Thomas R., 1964- & Wilson, Angela K.
Description: Article discussing research on the correlation consistent composite approach (ccCA) and an alternative to the Gaussian-n methods.
Contributing Partner: UNT College of Arts and Sciences
The correlation-consistent composite approach: Application to the G3/99 test set

The correlation-consistent composite approach: Application to the G3/99 test set

Date: September 13, 2006
Creator: DeYonker, Nathan J.; Grimes, Thomas V.; Yockel, Scott; Dinescu, Adriana; Mintz, Benjamin; Cundari, Thomas R., 1964- et al.
Description: Article discussing research on the correlation consistent composite approach (ccCA) and an application to the G3/99 test set.
Contributing Partner: UNT College of Arts and Sciences
Anomalous diffusion and ballistic peaks: A quantum perspective

Anomalous diffusion and ballistic peaks: A quantum perspective

Date: June 1998
Creator: Stefancich, Marco; Allegrini, Paolo; Bonci, Luca; Grigolini, Paolo & West, Bruce J.
Description: Article discussing research on anomalous diffusion and ballistic peaks.
Contributing Partner: UNT College of Arts and Sciences
Non-Gaussian statistics of anomalous diffusion: The DNA sequences of prokaryotes

Non-Gaussian statistics of anomalous diffusion: The DNA sequences of prokaryotes

Date: September 1998
Creator: Allegrini, Paolo; Buiatti, Marco, 1972-; Grigolini, Paolo & West, Bruce J.
Description: This article discusses a non-Gaussian indicator to measure the deviation from Gaussian statistics of a diffusion process generated by dichotomous fluctuations with infinite memory.
Contributing Partner: UNT College of Arts and Sciences
Function of Conserved Residues of Human Glutathione Synthetase: Implications for the ATP-grasp Enzymes

Function of Conserved Residues of Human Glutathione Synthetase: Implications for the ATP-grasp Enzymes

Date: February 27, 2004
Creator: Dinescu, Adriana; Cundari, Thomas R., 1964-; Bhansali, Vikas S.; Luo, Jia-Li & Anderson, Mary E.
Description: This article discusses human glutathione synthetase, an enzyme that belongs to the glutathione synthetase ATP-binding domain-like superfamily.
Contributing Partner: UNT College of Arts and Sciences
Stability Studies of Transition-Metal Linkage Isomers Using Quantum Mechanical Methods, Groups 11 and 12 Transition Metals

Stability Studies of Transition-Metal Linkage Isomers Using Quantum Mechanical Methods, Groups 11 and 12 Transition Metals

Date: April 29, 2005
Creator: Buda, Corneliu; Kazi, Abul B.; Dinescu, Adriana & Cundari, Thomas R., 1964-
Description: Article discussing the stability studies of transition-metal linkage isomers using quantum mechanical methods and groups 11 and 12 transition metals.
Contributing Partner: UNT College of Arts and Sciences
Fractional Brownian motion as a nonstationary process: An alternative paradigm for DNA sequences

Fractional Brownian motion as a nonstationary process: An alternative paradigm for DNA sequences

Date: April 1998
Creator: Allegrini, Paolo; Buiatti, Marco, 1972-; Grigolini, Paolo & West, Bruce J.
Description: Article discussing the fractional Brownian motion (FBM) as a nonstationary process and an alternative paradigm for DNA sequences.
Contributing Partner: UNT College of Arts and Sciences
Synthesis of the Five-Coordinate Ruthenium (II) Complexes [(PCP)Ru(CO)(L)][BAr'4] {PCP = 2,6-(CH2PtBu2)2 C6H3, BAr'4 = 3,5-(CF3)2C6H3, L= ɳ1-CICH2CI, ɳ 1-N2, or μ-Cl-Ru(PCP)(CO)}: Reactions with Phenyldiazomethane and Phenylacetylene

Synthesis of the Five-Coordinate Ruthenium (II) Complexes [(PCP)Ru(CO)(L)][BAr'4] {PCP = 2,6-(CH2PtBu2)2 C6H3, BAr'4 = 3,5-(CF3)2C6H3, L= ɳ1-CICH2CI, ɳ 1-N2, or μ-Cl-Ru(PCP)(CO)}: Reactions with Phenyldiazomethane and Phenylacetylene

Date: October 6, 2005
Creator: Zhang, Jubo; Barakat, Khaldoon A.; Cundari, Thomas R., 1964-; Gunnoe, T. Brent; Boyle, Paul D.; Petersen, Jeffrey L. et al.
Description: Article discussing the synthesis of the five-coordinate ruthenium (II) complexes and reactions with phenyldiazomethane and phenylacetylene.
Contributing Partner: UNT College of Arts and Sciences
Application of the Correlation Consistent Composite Approach (ccCA) to Third-Row (Ga-Kr) Molecules

Application of the Correlation Consistent Composite Approach (ccCA) to Third-Row (Ga-Kr) Molecules

Date: January 19, 2008
Creator: DeYonker, Nathan J.; Mintz, Benjamin; Cundari, Thomas R., 1964- & Wilson, Angela K.
Description: Article on the application of the correlation consistent composite approach (ccCA) to third-row (Ga-Kr) molecules.
Contributing Partner: UNT College of Arts and Sciences
Thermodynamics, Kinetics, and Mechanism of (silox)3M(olefin) to (silox)3M(alkylidene) Rearrangements (silox = tBu3SiO; M = Nb, Ta)

Thermodynamics, Kinetics, and Mechanism of (silox)3M(olefin) to (silox)3M(alkylidene) Rearrangements (silox = tBu3SiO; M = Nb, Ta)

Date: March 10, 2005
Creator: Hirsekorn, Kurt F.; Veige, Adam S.; Marshak, Michael P.; Koldobskaya, Yelena; Wolczanski, Peter T.; Cundari, Thomas R., 1964- et al.
Description: Article discussing the thermodynamic, kinetic, and mechanism of (silox)3M(olefin) to (silox)3M(alkylidene) rearrangements (silox = tBu3SiO; M = Nb, Ta).
Contributing Partner: UNT College of Arts and Sciences
Four-Coordinate Mo(II) as (silox)2Mo(PMe3)2 and Its W(IV) Congener (silox)2HW(ɳ2-CH2PMe2) (silox = tBu3SiO)

Four-Coordinate Mo(II) as (silox)2Mo(PMe3)2 and Its W(IV) Congener (silox)2HW(ɳ2-CH2PMe2) (silox = tBu3SiO)

Date: October 21, 2008
Creator: Kuiper, David S.; Wolczanski, Peter T.; Lobkovsky, Emil B. & Cundari, Thomas R., 1964-
Description: Article discussing four-coordinate Mo(II) as (silox)₂Mo(PMe₃)₂ and its W(IV) Congener (silox)₂HW(ɳ²-CH₂PMe₂)(PMe₃) (silox = ᵗBu₃SiO).
Contributing Partner: UNT College of Arts and Sciences
Studies of Low-Coordinate Iron Dinitrogen Complexes

Studies of Low-Coordinate Iron Dinitrogen Complexes

Date: December 31, 2005
Creator: Smith, Jeremy M.; Sadique, Azwana R.; Cundari, Thomas R., 1964-; Rodgers, Kenton R.; Lukat-Rodgers, Gudrun; Lachicotte, Rene J. et al.
Description: This article discusses low-coordinate iron dinitrogen complexes. Understanding the interaction of N₂ with iron is relevant to the iron catalyst used in the Haber process and to possible roles of the FeMoco active site of nitrogenase.
Contributing Partner: UNT College of Arts and Sciences
Molybdenum and Tungsten Structural Differences are Dependent on ndz2/(n + 1)ѕ Mixing: Comparisons of (silox)3MX/R (M = Mo, W; silox = tBu3SiO)

Molybdenum and Tungsten Structural Differences are Dependent on ndz2/(n + 1)ѕ Mixing: Comparisons of (silox)3MX/R (M = Mo, W; silox = tBu3SiO)

Date: July 15, 2008
Creator: Kuiper, David S.; Douthwalte, Richard E.; Mayoi, Ana-Rita; Wolczanski, Peter T.; Lobkovsky, Emil B.; Cundari, Thomas R., 1964- et al.
Description: Article discussing molybdenum and tungsten structural differences being dependent on ndz2/(n + 1)s mixing and a comparison of (silox)3MX/R (M = Mo, W; silox - tBu3SiO).
Contributing Partner: UNT College of Arts and Sciences
3-Center-4-Electron Bonding in [(silox)2Mo=NtBu]2(μ-Hg) Controls Reactivity while Frontier Orbitals Permit a Dimolybdenum π-Bond Energy Estimate

3-Center-4-Electron Bonding in [(silox)2Mo=NtBu]2(μ-Hg) Controls Reactivity while Frontier Orbitals Permit a Dimolybdenum π-Bond Energy Estimate

Date: May 18, 2005
Creator: Rosenfeld, Devon C.; Wolczanski, Peter T.; Barakat, Khaldoon A.; Buda, Corneliu & Cundari, Thomas R., 1964-
Description: Article describing research on 3-center-4-electron bonding in [(silox)2Mo=NtBu]2(mu-Hg).
Contributing Partner: UNT College of Arts and Sciences
Catalytic Tuning of a Phosphinoethane Ligand for Enhanced C-H Activation

Catalytic Tuning of a Phosphinoethane Ligand for Enhanced C-H Activation

Date: September 5, 2008
Creator: Cundari, Thomas R., 1964-; Jimenez-Halla, J. Oscar C.; Morello, Glenn R. & Vaddadi, Sridhar
Description: Article discussing research on the catalytic tuning of a phosphinoethane ligand for enhanced C-H activation.
Contributing Partner: UNT College of Arts and Sciences
Olefin Substitution in (silox)3M(olefin) (silox = tBu3SiO; M = Nb, Ta): The Role of Density of States in Second vs Third Row Transition Metal Reactivity

Olefin Substitution in (silox)3M(olefin) (silox = tBu3SiO; M = Nb, Ta): The Role of Density of States in Second vs Third Row Transition Metal Reactivity

Date: January 8, 2008
Creator: Hirsekorn, Kurt F.; Hulley, Elliott B.; Wolczanski, Peter T. & Cundari, Thomas R., 1964-
Description: This article discusses the role of density of states in second vs third row transition metal reactivity.
Contributing Partner: UNT College of Arts and Sciences
Activation of Carbon-Hydrogen Bonds via 1,2-Addition across M-X (X = OH or NH2) Bonds of d6 Transition Metals as a Potential Key Step in Hydrocarbon Functionalization: A Computational Study

Activation of Carbon-Hydrogen Bonds via 1,2-Addition across M-X (X = OH or NH2) Bonds of d6 Transition Metals as a Potential Key Step in Hydrocarbon Functionalization: A Computational Study

Date: October 6, 2007
Creator: Cundari, Thomas R., 1964-; Grimes, Thomas V. & Gunnoe, T. Brent
Description: Article discussing a computational study on the activation of carbon-hydrogen bonds via 1,2-addition across M-X (X = OH or NH2) bonds of d6 transition metals as a potential key step in hydrocarbon functionalization.
Contributing Partner: UNT College of Arts and Sciences
Comparative Reactivity of TpRu(L)(NCMe)Ph (L = CO or PMe3): Impact of Ancillary Ligand L on Activation of Carbon-Hydrogen Bonds Including Catalytic Hydroarylation and Hydrovinylation/Oligomerization of Ethylene

Comparative Reactivity of TpRu(L)(NCMe)Ph (L = CO or PMe3): Impact of Ancillary Ligand L on Activation of Carbon-Hydrogen Bonds Including Catalytic Hydroarylation and Hydrovinylation/Oligomerization of Ethylene

Date: May 9, 2007
Creator: Foley, Nicholas A.; Lail, Marty; Lee, John P.; Gunnoe, T. Brent; Cundari, Thomas R., 1964- & Petersen, Jeffrey L.
Description: Article discussing research on the comparative reactivity of TpRu(L)(NCMe)Ph (L = CO or PMe3) and the impact of ancillary ligand L on activation of carbon-hydrogen bonds including catalytic hydroarylation and hyrdovinylation/oligomerization of ethylene.
Contributing Partner: UNT College of Arts and Sciences