Publications of William A. Howard
1. "Persistent Triplet Diradicals from the Dimerization of Silacyclobutadienes." Gee, Jason R.; Howard, William A.; McPherson, Gary L.; Fink, Mark J. J. Am. Chem. Soc. 1991, 113, 5461-62.
2.
"Hydrogen Bonding of Water to
the Hydroxo Ligands of Cp*2Zr(OH)2: Implications for
Proton and Oxygen Exchange Processes: the Crystal and
Molecular
Structure of the Hydrate Cp*2Zr(OH)2
·
(H2O)." Howard, William A.; Parkin, Gerard Polyhedron
1993, 12, 1253-56.
3. "Interconversion of Hydrosulfido and Sulfido Ligands in Permethylzirconocene Complexes." Howard, William A.; Parkin, Gerard Organometallics 1993, 12, 2363-66.
4. "Terminal
Zirconium Oxo Complexes: Synthesis, Structure, and Reactivity of (h5-C5Me4R)2Zr(O)(NC5H4R')."
Howard, William A.; Waters, Marcey;
Parkin,
Gerard J. Am. Chem. Soc. 1993, 115, 4917-18.
5. "Terminal Oxo,
Sulfido, Selenido, and Tellurido Complexes of Zirconium, (h5-C5Me4R)2Zr(E)(NC5H5):
Comparison of Terminal Zr-E
Single and
Zr=E Double
Bond Lengths." Howard, William A.; Parkin, Gerard J. Am. Chem. Soc.
1994, 116, 606-15.
6. "Multiple Bonds
between Hafnium and the Chalcogens: Syntheses and Structures of the Terminal
Chalcogenido Complexes (h5-
C5Me4R)2Hf(E)(NC5H5)
(E = O, S, Se, Te)." Howard, William A.; Parkin, Gerard J. Organomet. Chem.
1994, 472, C1-C4.
7. “Non-Classical
Carbonyl Complexes of Zirconium: the Syntheses, Characterization, and
Reactivities of (h5-C5Me5)2Zr(h2-E2)(CO)
(E = S, Se, Te).”
Howard,
William A.; Parkin, Gerard; Rheingold, Arnold L. Polyhedron 1995,
14, 25-44.
8. "Synthesis and
Structure of (h5-C5Me5)2Zr(Se)(CO),
a Nonclassical d0 Zirconium Carbonyl Complex." Howard, William A.;
Trnka, Tina M.; Parkin,
Gerard
Organometallics 1995, 14, 4037-39.
9.
"Syntheses of the
Phenylchalcogenolate Complexes (h5-C5Me5)2Zr(EPh)2
(E = O, S, Se, Te) and (h5-C5H5)2Zr(OPh)2:
Structural Comparisons
within a
Series of Complexes Containing Zirconium - Chalcogen Single Bonds." Howard,
William A.; Trnka, Tina M.; Parkin, Gerard Inorg. Chem.
1995,
34, 5900-09.
10. "Terminal
Chalcogenido Complexes of Zirconium: Syntheses and Reactivity of Cp*2Zr(E)(NC5H5)
(E = O, S, Se, Te)." Howard, William A.; Trnka,
Tina, M.;
Waters, Marcey; Parkin, Gerard J. Organomet. Chem. 1997, 528,
95-121.
11. "The Synthesis
of Olefin, Carbonyl, and Thiolate Complexes of Platinum (IV) in the [(h5-C5Me5)Pt(IV)]
System. Crystal and Molecular Structure of
(h5-C5Me5)PtMe2[S(p-MeC6H4)]."
Howard, William A.; Bergman, Robert G. Polyhedron 1998, 17,
803-10.
12. “Syntheses and
Characterization of Some Chloro, Methoxy, and Mercapto Derivatives of [Ru(h2-2,2’-bipyridine)3]2+
2 PF6-: Crystal and Molecular
Structures of
[Ru(h2-2,2’-bipyridine)2(h2-4,4’-(X)2-2,2’-bipyridine)]2+
2 PF6- (X = Cl, OCH3).” Hansen, Lars E.;
Glowacki, Emily R.; Arnold,
Danielle L.;
Chi, Bongchu; Bernt, George J.; Fites, Raena J.; Freeburg, Ruth A.; Rothschild,
Roger F. N.; Krieg, Maggie C.; Howard, William A.;
Tanski,
Joseph M. Inorg. Chim. Acta 2003, 348, 91-96.
13. “The
Relationship between Balancing Reactions and Reaction Lifetimes: A
Consideration of the Potassium-Argon Radiometric Method for Dating
Minerals.”
Howard, William A. J. Chem. Educ. 2005, 82, 1094-98.
14. “Aqueous Acid –
Base Chemistry Involving Dioxovanadium(V) Complexes of 2,6-Pyridinedimethanol,
and the X-Ray Structures of Na[VO2{2,6-
(OCH2)2NC5H3}]
· 4 H2O and [1-H-2,6-(HOCH2)2NC5H3]+Cl-.”
Fites, Raena J.; Yeager, Adam T.; Sarvela, T. L.; Howard, William A.; Zhu,
Guang; Pang,
Keliang Inorg. Chim. Acta 2006, 359, 248-56.
15. “Mer-[MCl3(Me2pzH)3]
(M = Rh, Ir; Me2pzH =
3,5-Dimethylpyrazole): X-Ray Structures, Spectroscopic Properties, and Density
Functional Theory
(DFT)
Calculations.” Cushing, Gregory W.; Howard, William A.; Pang, Keliang J.
Mol. Struct. (In Press).
Howard Home Page Faculty Directory Department of Chemistry & Biochemistry