Doreen G Leopold

2018

ConfChem Conference on Mathematics in Undergraduate Chemistry Instruction: Strengthening Students' Math Fluencies through Calculator-Free Chemistry Calculations

Leopold, D. G., Aug 14 2018, In : Journal of Chemical Education. 95, 8, p. 1432-1433 2 p.

Research output: Contribution to journal › Article

chemistry instruction

chemistry

mathematics

Students

student

2009

13 Citations (Scopus)

A study of the ground and excited states of Al₃ and Al ₃ ^-. I. 488 nm anion photoelectron spectrum

Villalta, P. W. & Leopold, D. G., Jan 1 2009, In : Journal of Chemical Physics. 130, 2, 024303.

Research output: Contribution to journal › Article

Photoelectrons

Excited states

Ground state

Anions

photoelectrons

36 Citations (Scopus)

A study of the ground and excited states of Al ₃ and Al ₃ ^-. II. Computational analysis of the 488 nm anion photoelectron spectrum and a reconsideration of the Al ₃ bond dissociation energy

Miller, S. R., Schultz, N. E., Truhlar, D. G. & Leopold, D. G., Jan 27 2009, In : Journal of Chemical Physics. 130, 2, 024304.

Research output: Contribution to journal › Article

Photoelectrons

Excited states

Ground state

Anions

photoelectrons

2008

28 Citations (Scopus)

Degree of mathematics fluency and success in second-semester introductory chemistry

Leopold, D. G. & Edgar, B., May 1 2008, In : Journal of Chemical Education. 85, 5, p. 724-731 8 p.

Research output: Contribution to journal › Article

semester

chemistry

mathematics

Students

student

2007

14 Citations (Scopus)

Photoelectron spectroscopic characterization of the niobium-benzene anion produced by reaction of niobium with ethylene

Miller, S. R., Marcy, T. P., Millam, E. L. & Leopold, D. G., Mar 28 2007, In : Journal of the American Chemical Society. 129, 12, p. 3482-3483 2 p.

Research output: Contribution to journal › Article

Niobium

Photoelectrons

Benzene

Ground state

Anions

2001

58 Citations (Scopus)

Negative ion photoelectron spectroscopy of the group 5 metal trimer monoxides V₃O, Nb₃O, and Ta₃O

Green, S. M. E., Alex, S., Fleischer, N. L., Millam, E. L., Marcy, T. P. & Leopold, D. G., Feb 8 2001, In : Journal of Chemical Physics. 114, 6, p. 2653-2668 16 p.

Research output: Contribution to journal › Article

Electron affinity

Electronic states

Vibrational spectra

Photoelectron spectroscopy

trimers

2000

20 Citations (Scopus)

A vibrationally resolved negative ion photoelectron spectrum of Nb₈

Marcy, T. P. & Leopold, D. G., Jan 21 2000, In : International Journal of Mass Spectrometry. 195-196, p. 653-666 14 p.

Research output: Contribution to journal › Article

Photoelectrons

negative ions

photoelectrons

Negative ions

Electron affinity

1993

79 Citations (Scopus)

A study of FeCO^- and the ³Σ^- and ⁵Σ^- states of FeCO by negative ion photoelectron spectroscopy

Villalta, P. W. & Leopold, D. G., Jan 1 1993, In : The Journal of chemical physics. 98, 10, p. 7730-7742 13 p.

Research output: Contribution to journal › Article

Photoelectron spectroscopy

negative ions

Ground state

Negative ions

Carbon Monoxide

176 Citations (Scopus)

Negative ion photoelectron spectroscopy of Cr₂

Casey, S. M. & Leopold, D. G., Dec 1 1993, In : Journal of physical chemistry. 97, 4, p. 816-830 15 p.

Research output: Contribution to journal › Article

Photoelectron spectroscopy

negative ions

Ground state

Negative ions

photoelectron spectroscopy

14 Citations (Scopus)

Negative ion photoelectron spectroscopy of Cr₂H and Cr₂D

Casey, S. M. & Leopold, D. G., Jan 1 1993, In : Chemical Physics Letters. 201, 1-4, p. 205-211 7 p.

Research output: Contribution to journal › Article

Photoelectron spectroscopy

negative ions

Anions

Negative ions

photoelectron spectroscopy

1992

10 Citations (Scopus)

Negative Ion Photoelectron Spectroscopy of CH₂=SiH and CH₃-Si

Bengali, A. A. & Leopold, D. G., Nov 1 1992, In : Journal of the American Chemical Society. 114, 23, p. 9192-9194 3 p.

Research output: Contribution to journal › Article

Photoelectron Spectroscopy

Photoelectron spectroscopy

Negative ions

Ions

46 Citations (Scopus)

Negative Ion Photoelectron Spectroscopy of Coordinatively Unsaturated Group VI Metal Carbonyls: Cr(CO)₃, Mo(CO)₃, and W(CO)₃

Bengali, A. A., Casey, S. M., Cheng, C. L., Dick, J. P., Fenn, T., Villalta, P. W. & Leopold, D. G., Jun 1 1992, In : Journal of the American Chemical Society. 114, 13, p. 5257-5268 12 p.

Research output: Contribution to journal › Article

Photoelectron Spectroscopy

Photoelectron spectroscopy

Anions

Negative ions

Metals

1991

18 Citations (Scopus)

A Study of Cr₂ by Negative-Ion Photoelectron Spectroscopy

Casey, S. M., Villalta, P. W., Bengali, A. A., Cheng, C. L., Dick, J. P., Thomas Fenn, P. & Leopold, D. G., Aug 1 1991, In : Journal of the American Chemical Society. 113, 17, p. 6688-6689 2 p.

Research output: Contribution to journal › Article

Photoelectron Spectroscopy

Photoelectron spectroscopy

Negative ions

Ions

1988

57 Citations (Scopus)

A simple interpretation of the Fe ₂ ^- photoelectron spectrum

Leopold, D. G., Almlöf, J., Lineberger, W. C. & Taylor, P. R., Jan 1 1988, In : The Journal of chemical physics. 88, 6, p. 3780-3783 4 p.

Research output: Contribution to journal › Article

Photoelectrons

Ground state

photoelectrons

ground state

Bond length

157 Citations (Scopus)

Photoelectron spectroscopy of the halocarbene anions HCF^-, HCCl^-, HCBr^-, HCl^-, CF₂^-, and CCl₂^-

Murray, K. K., Leopold, D. G., Miller, T. M. & Lineberger, W. C., Jan 1 1988, In : The Journal of chemical physics. 89, 9, p. 5442-5453 12 p.

Research output: Contribution to journal › Article

Excitation energy

Photoelectron spectroscopy

atomic energy levels

Anions

Photoelectrons

1986

205 Citations (Scopus)

A study of the low-lying electronic states of Fe₂ and Co ₂ by negative ion photoelectron spectroscopy

Leopold, D. G. & Lineberger, W. C., Jan 1 1986, In : The Journal of Chemical Physics. 85, 1, p. 51-55 5 p.

Research output: Contribution to journal › Article

Electronic states

Photoelectron spectroscopy

Dimers

negative ions

Anions

120 Citations (Scopus)

Determination of the Singlet-Triplet Splitting and Electron Affinity of o-Benzyne by Negative Ion Photoelectron Spectroscopy

Leopold, D. G., Lineberger, W. C. & Miller, A. E. S., Jan 1 1986, In : Journal of the American Chemical Society. 108, 7, p. 1379-1384 6 p.

Research output: Contribution to journal › Article

Photoelectron Spectroscopy

Electron affinity

Vibrational spectra

Photoelectron spectroscopy

Photoelectrons

75 Citations (Scopus)

Electron affinities of the alkali halides and the structure of their negative ions

Miller, T. M., Leopold, D. G., Murray, K. K. & Lineberger, W. C., Jan 1 1986, In : The Journal of Chemical Physics. 85, 5, p. 2368-2375 8 p.

Research output: Contribution to journal › Article

Electron affinity

Alkali halides

alkali halides

electron affinity

negative ions

36 Citations (Scopus)

Flowing Afterglow Negative Ion Photoelectron Spectroscopy of Dirhenium: Evidence for Multiple Bonding in Re₂ and Re₂^-

Leopold, D. G., Lineberger, W. C. & Miller, T. M., Jan 1 1986, In : Journal of the American Chemical Society. 108, 1, p. 178-179 2 p.

Research output: Contribution to journal › Article

Photoelectron Spectroscopy

Photoelectron spectroscopy

Dimers

Negative ions

Metals

299 Citations (Scopus)

Photoelectron spectroscopy of mass-selected metal cluster anions. I. Cun-, n=1-10

Leopold, D. G., Ho, J. & Lineberger, W. C., Dec 1 1986, In : The Journal of Chemical Physics. 86, 4, p. 1715-1726 12 p.

Research output: Contribution to journal › Article

metal clusters

Photoelectron spectroscopy

Photoelectrons

Anions

Electron affinity

1985

99 Citations (Scopus)

Laser photoelectron spectroscopy of the formyl anion

Murray, K. K., Miller, T. M., Leopold, D. G. & Lineberger, W. C., Dec 1 1985, In : The Journal of chemical physics. 84, 5, p. 2520-2525 6 p.

Research output: Contribution to journal › Article

Laser spectroscopy

Photoelectron spectroscopy

Photoelectrons

laser spectroscopy

Anions

270 Citations (Scopus)

Methylene: A study of the X̃³B₁ and ã¹A₁ states by photoelectron spectroscopy of CH ₂^- and CD₂^-

Leopold, D. G., Murray, K. K., Miller, A. E. S. & Lineberger, W. C., Jan 1 1985, In : The Journal of Chemical Physics. 83, 10, p. 4849-4865 17 p.

Research output: Contribution to journal › Article

Photoelectron spectroscopy

Photoelectrons

methylene

Electron affinity

photoelectrons

1984

61 Citations (Scopus)

Direct absorption spectroscopy of jet-cooled polyenes. I. The 1 ¹B_u⁺←1 ¹A_g ^- transition of trans, trans-1,3,5,7-octatetraene

Leopold, D. G., Vaida, V. & Granville, M. F., Jan 1 1984, In : The Journal of Chemical Physics. 81, 10, p. 4210-4217 8 p.

Research output: Contribution to journal › Article

Polyenes

Absorption spectroscopy

absorption spectroscopy

Absorption spectra

congestion

150 Citations (Scopus)

Direct absorption spectroscopy of jet-cooled polyenes. II. The 1 ¹B_u⁺←1 ¹A_g ^- transitions of butadienes and hexatrienes

Leopold, D. G., Pendley, R. D., Roebber, J. L., Hemley, R. J. & Vaida, V., Jan 1 1984, In : The Journal of chemical physics. 81, 10, p. 4218-4229 12 p.

Research output: Contribution to journal › Article

Butadienes

Polyenes

butadiene

Absorption spectroscopy

Absorption spectra

70 Citations (Scopus)

Laser photoelectron spectroscopy of vibrationally relaxed CH ₂^-: A reinvestigation of the singlet-triplet splitting in methylene

Leopold, D. G., Murray, K. K. & Lineberger, W. C., Jan 1 1984, In : The Journal of chemical physics. 81, 2, p. 1048-1050 3 p.

Research output: Contribution to journal › Article

Laser spectroscopy

Photoelectron spectroscopy

laser spectroscopy

methylene

photoelectron spectroscopy

32 Citations (Scopus)

Photochemistry of Gas-Phase Mn₂(CO)₁₀ and Re₂(CO)₁₀: Mass Spectrometric Evidence for a Dinuclear Primary Photoproduct

Leopold, D. G. & Vaida, V., Jan 1984, In : Journal of the American Chemical Society. 106, 13, p. 3720-3722 3 p.

Research output: Contribution to journal › Article

Photochemistry

Molecular beams

Photochemical reactions

Carbon Monoxide

Gases

37 Citations (Scopus)

The singlet states of styrene. Theoretical vibrational analysis of the ultraviolet spectrum

Hemley, R. J., Leopold, D. G., Vaida, V. & Karplus, M., Dec 1 1984, In : The Journal of chemical physics. 82, 12, p. 5379-5397 19 p.

Research output: Contribution to journal › Article

Styrene

ultraviolet spectra

styrenes

Excited states

Absorption spectra

1983

25 Citations (Scopus)

Multiphoton Dissociation of Transition-Metal Carbonyl Complexes: A Novel Route to Gas-Phase Metal Clusters

Leopold, D. G. & Vaida, V., Nov 1983, In : Journal of the American Chemical Society. 105, 23, p. 6809-6811 3 p.

Research output: Contribution to journal › Article

Coordination Complexes

Transition metals

Gases

Metals

Photodissociation

58 Citations (Scopus)

The direct ultraviolet absorption spectrum of the ¹∑ _g⁺ → ¹B₂(¹∑ _u⁺) transition of jet-cooled CS₂

Hemley, R. J., Leopold, D. G., Roebber, J. L. & Vaida, V., Jan 1 1983, In : The Journal of chemical physics. 79, 11, p. 5219-5227 9 p.

Research output: Contribution to journal › Article

ultraviolet absorption

ultraviolet spectra

Electronic states

Electron transitions

Stretching

1981

71 Citations (Scopus)

Direct absorption spectra of higher excited states of jet-cooled monosubstituted benzenes: Phenylacetylene, styrene, benzaldehyde, and acetophenone

Leopold, D. G., Hemley, R. J., Vaida, V. & Roebber, J. L., Jan 1 1981, In : The Journal of Chemical Physics. 75, 10, p. 4758-4769 12 p.

Research output: Contribution to journal › Article

Styrene

Benzene

Excited states

styrenes

Absorption spectra

18 Citations (Scopus)

Electronic absorption spectra of jet-cooled molecules. The S₂ state of styrene

Hemley, R. J., Leopold, D. G., Vaida, V. & Roebber, J. L., Jan 1 1981, In : Journal of physical chemistry. 85, 2, p. 134-135 2 p.

Research output: Contribution to journal › Article

Styrene

styrenes

electronic spectra

Absorption spectra

absorption spectra

11 Citations (Scopus)

Production of Gas-Phase Bare Transition-Metal Clusters by Laser Photodissociation of Organometallic Cluster Compounds

Vaida, V., Cooper, N. J., Hemley, R. J. & Leopold, D. G., Nov 1981, In : Journal of the American Chemical Society. 103, 23, p. 7022-7023 2 p.

Research output: Contribution to journal › Article