Harold Schwarz

Senior Chemist Emeritus

Chemistry Department
Building 555
Brookhaven National Laboratory
P.O. Box 5000
Upton, NY 11973-5000

Phone: (631) 344-4330
FAX:    (631) 344-5815
e-mail

Harold Schwarz Named Senior Chemist Emeritus

Thermal, Photo- and Radiation-Induced Reactions in Condensed Media

Curriculum Vitae

Education:
B.A. University of Omaha 1948
Ph.D. University of Notre Dame 1952

Professional Employment:
Brookhaven National Laboratory
Associate Chemist 1951
Chemist 1955
Chemist with tenure 1959
Senior Chemist 1966
BNL Retiree 1995


Research Interests: Radiation Chemistry, chemical kinetics, thermodynamics of free radicals and other short-lived species, infrared spectra of ions, electron transfer reactions.

Honors/Activities:
Centennial of Science at Notre Dame Award, 1965
Associate Editor, Radiation Research, 1960
Chair, Gordon Research Conference on Radiation Chemistry, 1967
Radiation Research Society Award Committee, 1970, 1971
Visiting Professorship, The Hebrew University, Jerusalem, 1968-1969
Accelerator Committee, U.S. Army Natick Laboratories, 1970-1973
Consultant, NRC, on Three Mile Island Reactor accident, 1979
Visiting Committee, Argonne National Laboratory, 1993
Visiting Committee, University of Notre Dame Radiation Laboratory, 1996
Invited Lecture, Radiation Research Society Meeting, 1970
Invited talks: Hahn-Meitner Institute, Berlin, 1969; Chalk River, Canada, 1978; Symposium on Chemistry of Unusual Species, U. Wisconsin, 1962; Gordon Research Conferences, Gatlinburg Conference, 1963; ACS meeting Symposia; Miller Conferences
 

Publications:

  1. Reactions of the Dihydroxylamine (HNO2-) and Hydronitrite (NO22-) Radical Ions, Lymar, S. V.; Schwarz, H. A.; Czapski, G. J. Phys. Chem. A, 2002, 106, 7245-7250
  2. Medium Effects on Reactions of the Carbonate Radical with Thiocyanate, Iodide, and Ferrocyanide Ions, Lymar, S. V.; Schwarz, H. A.; Czapski, G. Radiat. Phys. Chem., 2000, 59, 387-392
  3. Acidity of the Carbonate Radical, Czapski, G.; Lymar, S. V.; Schwarz, H. A. J. Phys. Chem. A, 1999, 103, 3447-3450
  4. Mechanisms of Photochemical Reactions of Transition-Metal Complexes Elucidated by Pulse Radiolysis Experiments, Creutz, C.; Schwarz, H. A.; Sutin, N. In Photochemistry and Radiation Chemistry: Complementary Methods for the Study of Electron Transfer, Advances in Chemistry; Wishart, J. F. and Nocera, D. G., Eds.; Adv. Chem. Ser. 254, Ch.14,American Chemical Society: Washington, DC, 1998
  5. Towards the Photoreduction of CO2 with Ni (bpy)n2+ Complexes, Mori, Y.; Szalda, D. J.; Brunschwig, B. S.; Schwarz, H. A.; Fujita, E. In Photochemistry and Radiation Chemistry: Complementary Methods for the Study of Electron Transfer, Advances in Chemistry; Wishart, J. F. and Nocera, D. G., Eds.; Adv. Chem. Ser. 254, Ch.17,American Chemical Society: Washington, DC, 1998
  6. Electron Transfer Barriers for Ground-and Excited-State Redox Couples: trans-Dioxo (1,4,8,11-tetra-azacyclotetradecane) osmium(VI)/osmium(V), Kelly, C.; Szalda, D. J.; Creutz, C.; Schwarz, H. A.; Sutin, N. Inorg. Chimica. Acta 1996, 1-2, 39-45
  7. The e- + 1,3-Butadiene = 1,3-Butadiene- Equilibrium in n-Hexane, Holroyd, R. A.; Schwarz, H. A.; Stradowska, E.; Ninomiya, S.; Itoh, K.; Nishikawa, M. J. Phys. Chem. 1994, 98, 7142-7146
  8. Partial Molar Volumes of Ions in Nonpolar Solvents, Schwarz, H. A. J. Phys. Chem. 1993, 97, 12954-12958
  9. Reaction of the Hydrated Electron with Water, Schwarz, H. A. J. Phys. Chem. 1992, 96, 8937-8941
  10. Thermodynamics and Kinetics of Carbon Dioxide Binding to 2 Stereoisomers of a Cobalt(I) Macrocycle in Aqueous Solution, Creutz, C.; Schwarz, H. A.; Wishart, J. F.; Fujita, E.; Sutin, N. J. Am. Chem. Soc. 1991, 113, 3361-3371
  11. Enthalpy and Entropy of Formation of the Hydrated Electron, Schwarz, H. A. J. Phys. Chem. 1991, 95, 6697-6701
  12. Electron Transfer Across Polypeptides. 6. Long Range Electron Transfer in Osmium-Ruthenium Binuclear Complexes Bridged with Oligoproline Peptides, Vassilian, A.; Wishart, J. F.; van Hemelryck, B.; Schwarz, H.; Isied, S. S. J. Am. Chem. Soc. 1990, 112, 7278-7286
  13. Reduction Potentials of CO2- and the Alcohol Radicals, Schwarz, H. A.; Dodson, R. W. J. Phys. Chem. 1989, 93, 409-414
  14. Allen, Augustine, Oliver (1910-1988) - In Memoriam, Schwarz, H. A. Radiat. Res. 1989, 118, 383-385
  15. A Dissociative Pathway for Equilibration of a Hydrido CoL(H)2+ Complex with CO2 and CO: Ligand Binding Constants in the Macrocyclic [14]Dienecobalt(I) System, Creutz, C.; Schwarz, H. A.; Wishart, J. F.; Fujita, E.; Sutin, N. J. Am. Chem. Soc. 1989, 111, 1153-1154
  16. Report of the Workshop on the Proposed Pulse Radiolysis Facility at Brookhaven National Laboratory, Creutz, C.; Schwarz, H. A.; Wishart, J. F. BNL Formal Report BNL-52229 1989
  17. The Distance Dependence of Intramolecular Electron-Transfer Rates: Importance of the Nuclear Factor, Isied, S. S.; Vassilian, A.; Wishart, J. F.; Creutz, C.; Schwarz, H. A.; Sutin, N. J. Am. Chem. Soc. 1988, 110, 635-637
  18. Properties of Complexes with Cobalt-Carbon Bonds Formed by Reactions of Aliphatic Free Radicals with Nitrilotriacetate-Cobalt(II) in Aqueous Solution. A Pulse Radiolysis Study, Meyerstein, D.; Schwarz, H. A. J. Chem. Soc., Faraday Trans. 1 1988, 84, 2933-2949
  19. Reactions of HO2 and O2- with Iodine and Bromine and the I2- and I Atom Reduction Potentials, Schwarz, H. A.; Bielski, B. H. J. J. Phys. Chem. 1986, 90, 1445-1448
  20. Cobalt(I) Polypyridine Complexes. Redox and Substitutional Kinetics and Thermodynamics in the Aqueous 2,2'-Bipyridine and 4,4'-Dimethyl-2,2'-Bipyridine Series Studied by the Pulse-Radiolysis Technique, Schwarz, H. A.; Creutz, C.; Sutin, N. Inorg. Chem. 1985, 24, 433-439
  21. Electron Transfer Across Polypeptides. 5. Rapid Rates of Electron Transfer Between Os(II) and Co(III) in Complexes with Bridging Oligoprolines and Other Polypeptides, Isied, S. S.; Vassilian, A.; Magnuson, R. J.; Schwarz, H. A. J. Am. Chem. Soc. 1985, 107, 7432-7438
  22. Free Radical Route to Formation of the Metal Hydride Complex Hydridoaquobis(2,2'-bipyridine)cobalt(III), Creutz, C.; Schwarz, H. A.; Sutin, N. J. Am. Chem. Soc. 1984, 106, 3036-3037
  23. Equilibrium Between Hydroxyl Radicals and Thallium(II) and the Oxidation Potential of OH(aq), Schwarz, H. A.; Dodson, R. W. J. Phys. Chem. 1984, 88, 3643-3647
  24. Reactions of Tris- and Bis(2,2'-bipyridine)rhodium(II) Complexes in Aqueous Solution, Schwarz, H. A.; Creutz, C. Inorg. Chem. 1983, 22, 707-713
  25. Reduction Potentials for 2,2'-Bipyridine and 1,10-Phenanthroline Couples in Aqueous Solution, Krishnan, C. V.; Creutz, C.; Schwarz, H. A.; Sutin, N. J. Am. Chem. Soc. 1983, 105, 5617-5623
  26. The Chain Decomposition of Aqueous Triethanolamine, Schwarz, H. A. J. Phys. Chem. 1982, 86, 3431-3435
  27. Homogeneous Catalysis of the Photoreduction of Water by Visible Light. 3. Mediation by Polypyridine Complexes of Ruthenium(II) and Cobalt(II), Krishnan, C. V.; Creutz, C.; Mahajan, D.; Schwarz, H. A.; Sutin, N. Israel J. Chem. 1982, 22, 98-106
  28. The One-Electron Reduction Product of Tris(2,2'-bipyridine)rhodium(III), Creutz, C.; Keller, A. D.; Schwarz, H. A.; Sutin, N.; Zipp, A. P. ACS Symposium Series 198: 385-402, 1982
  29. Free Radicals Generated by Radiolysis of Aqueous Solutions, Schwarz, H. A. J. Chem. Ed. 1981, 58, 101-105
  30. Radiation Chemistry, Schwarz, H. A. In Encyclopedia of Physics, Lerner, R. G. and Trigg, G. L., Eds.; Addison-Wesley: 1981; pp. 833-834
  31. Mechanism of the Disproportionation of Ascorbate Radicals, Bielski, B. H. J.; Allen, A. O.; Schwarz, H. A. J. Am. Chem. Soc. 1981, 103, 3516- 3518
  32. Gas Phase Infrared Spectra of Ammoniated Ammonium Ions, Schwarz, H. J. Chem. Phys. 1980, 72, 284-287
  33. Mechanism of the Formation of Dihydrogen from the Photoinduced Reactions of Tris(bipyridine)ruthenium(II) with Tris(bipyridine)rhodium(III), Brown, G. M.; Chan, S.-F.; Creutz, C.; Schwarz, H. A.; Sutin, N. J. Am. Chem. Soc. 1979, 101, 7638-7640
  34. Kinetics and Mechanism of the Quenching of the Emission of Substituted Polypyridineruthenium(II) Complexes: Reactions of RuL3+, *RuL32+ and RuL33+ with the Copper(I)-Copper(II) Couple, Hoselton, M. A.; Lin, C.-T.; Schwarz, H. A.; Sutin, N. J. Am. Chem. Soc. 1978, 100, 2383-2388
  35. Diffusion-Limited Solvated Electron Reactions in Ethanol and Water, Schwarz, H. A.; Gill, P. S. J. Phys. Chem. 1977, 81, 22-25
  36. Gas Phase Infrared Spectra of Oxonium Hydrate Ions from 2 to 5 Microns, Schwarz, H. A. J. Chem. Phys. 1977, 67, 5525-5534
  37. Kinetics of Dissociation of Ferric Chloride Complexes. Stability Constants of Inner and Outer Sphere Complexes, Schwarz, H. A.; Dodson, R. W. J. Phys. Chem. 1976, 80, 2801-2804
  38. Reactions of Thallium(II) Chloride Complexes with Iron(II) and Iron(III), Schwarz, H. A.; Dodson, R. W. J. Phys. Chem. 1976, 80, 2543-2548
  39. Infrared Spectroscopy of Pulse Irradiated Gases, Schwarz, H. A. Rad. Res. 1974, 59, 36
  40. Pulse Radiolysis Studies of Chloride Complexes of Thallium(II). Absorption Spectra and Stability Constants of TlCl+, TlCl2 and TlCl3+, Dodson, R. W.; Schwarz, H. A. J. Phys. Chem. 1974, 78, 892-899
  41. Pulse Radiolysis Study of Thallium(II) in Aqueous Perchloric Acid Solutions, Schwarz, H. A.; Comstock, D.; Yandell, J. K.; Dodson, R. W. J. Phys. Chem. 1974, 78, 488-493
  42. Ranges of Photoinjected Electrons in Dielectric Liquids, Holroyd, R. A.; Dietrich, B. K.; Schwarz, H. A. J. Phys. Chem. 1972, 76, 3794-3800
  43. Chemical Kinetics, Weston, R. E., Jr. and Schwarz, H. A., Prentice Hall, Englewood Cliffs, NJ, 1972
  44. Some Applications of Time-Dependent Rate Constant Theory to Radiation Chemistry, Schwarz, H. A. J. Chem. Phys. 1971, 55, 3647-3650
  45. The Acid Dissociation Constant and Decay Kinetics of the Perhydroxyl Radical, Behar, D.; Czapski, G.; Rabani, J.; Dorfman, L. M.; Schwarz, H. A. J. Phys. Chem. 1970, 74, 3209-3213
  46. Radical and Molecular Yields in Water Irradiated by -Rays and Heavy Ions, Appleby, A.; Schwarz, H. A. J. Phys. Chem. 1969, 73, 1937-1941
  47. Application of the Spur Diffusion Model to the Radiation Chemistry of Aqueous Solutions, Schwarz, H. A. J. Phys. Chem. 1969, 73, 1928-1937
  48. The Absorption Spectra and Kinetics of Hydrogen Sesquioxide and the Perhydroxyl Radical, Bielski, B. H. J.; Schwarz, H. A. J. Phys. Chem. 1968, 72, 3836-3841
  49. A Pulse Radiolysis Study of Solutions of -Chlorotoluene in Cyclohexane, Hagemann, R. J.; Schwarz, H. A. J. Phys. Chem. 1967, 71, 2694-2699
  50. Pulse Radiolysis of Polystyrene, Ho, S. K.; Siegel, S.; Schwarz, H. A. J. Phys. Chem. 1967, 71, 4527-4533
  51. Radiation Chemistry, Schwarz, H. A. Ann. Rev. Phys. Chem. 1965, 16, pp. 347-374
  52. Radiation Chemistry, Schwarz, H. A. In: Advances in Radiation Biology, vol. 1, Augenstein, L. G., Mason, R. and Quastler, H., Eds., Academic Press, NY, 1964
  53. Intensity Effects, Pulsed Beam Effects and the Current Status of Diffusion Kinetics, Schwarz, H. A. Radiat. Res. Suppl. 1964, 4, 89
  54. Absolute Rate Constants for Some Hydrogen Atom Reactions in Aqueous Solution, Schwarz, H. A. J. Phys. Chem. 1963, 67, 2827
  55. The Nature of the Reducing Radical in Water Radiolysis, Czapski, G.; Schwarz, H. A. J. Phys. Chem. 1962, 66, 471
  56. Determination of Some Rate Constants for the Radical Processes in the Radiation Chemistry of Water, Schwarz, H. A. J. Phys. Chem. 1962, 66, 255
  57. The Helium-Ion Irradiation Liquid Methyl Iodide, Sturm, J.; Schwarz, H. Radiat. Res. 1962, 17, 531
  58. Radiolysis of Neutral Water by Cyclotron Produced Deuterons and Helium Ions, Schwarz, H. A.; Caffrey, J. M.; Scholes, G. J. Am. Chem. Soc. 1959, 81, 1801
  59. Decomposition of Water Under High Energy Radiation, Allen, A. O.; Schwarz, H. Decomposition of Water Under High Energy Radiation; Allen, A. O.; Schwarz, H., Eds.: Geneva, 1958; Vol. 1403
  60. The Radiation Chemistry of Aqueous Nitrite Solutions: The Hydrogen Peroxide Yield, Schwarz, H.; Salzman, A. Radiat. Res. 1958, 9, 502
  61. The Radiation Chemistry of Deaerated Ferrous Chloride Solutions, Schwarz, H.; Hritz, J. J. Am. Chem. Soc. 1958, 80, 5636
  62. The Radiation Chemistry of Ferrous Chloride Solutions, Schwarz, H. A. J. Am. Chem. Soc. 1957, 79, 534
  63. Use of the Fricke Ferrous Sulfate Dosimeter for Gamma-Ray Doses in the Range 4 to 40 kr., Weiss, J.; Allen, A. O.; Schwarz, H. A. Proceedings of the International Conference on the Peaceful Uses of Atomic Energy. United Nations: NY, 1955; Vol. 14, p. 179
  64. The Effect of Solutes on the Molecular Yields in the Radiolysis of Aqueous Solutions, Schwarz, H. A. J. Am. Chem. Soc. 1955, 77, 4960
  65. The Radiation Chemistry of Nitrite Ion in Aqueous Solution, Schwarz, H. A.; Allen, A. O. J. Am. Chem. Soc. 1955, 77, 1324
  66. Hydrogen Yields in the Radiolysis of Aqueous Solutions, Schwarz, H. A.; Losee, J. P.; Allen, A. O. J. Am. Chem. Soc. 1954, 76, 4693
  67. Temperature Coefficient of the Radiation Induced Oxidation of Ferrous Sulfate, Schwarz, H. A. J. Am. Chem. Soc. 1954, 76, 1587
  68. An Economical Water- and Earth-Shielded Cobalt-60 Gamma-Ray Source, Schwarz, H. A.; Allen, A. O. Nucleonics 1954, 12, 58

 

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Last Modified: October 2, 2012