Daron E. Janzen

Department Chair/Carondelet Scholar/Associate Professor

651-690-6047

dejanzen@stkate.edu

Daron Janzen is an Associate Professor and Chair of the Department of Chemistry and Biochemistry. He received his Ph.D. in the area of Inorganic chemistry. He routinely teaches General Chemistry, Organic Chemistry laboratory courses, and Advanced Inorganic Chemistry. Professor Janzen’s research foci include coordination chemistry and organometallic chemistry, X-ray crystallography, green chemistry, materials chemistry, and laboratory curriculum development. All of his scholarship involves collaborative undergraduate research, with students at St. Kate’s as well as numerous faculty and students from other Primarily Undergraduate Institutions. Professor Janzen strongly believes his scholarship informs and enhances his teaching. He also recognizes that students engage with their learning in a profound way when they are involved in high-quality publishable peer-reviewed research projects.

  • coordination chemistry
  • air-stable organometallic complexes
  • X-ray crystallography
  • green chemistry
  • organic and inorganic materials chemistry
  • electronic structure & solid-state structure relationships
  • applications of solid-state molecular materials in optoelectronic devices (LEDs, sensors, transistors)

NSF/Grote Post Doctoral Fellow
University of Tennessee at Chattanooga, Chattanooga, Tennessee, 2004–2006

Ph.D., Chemistry
University of Minnesota, Twin Cities, Minneapolis, Minnesota, 2004

Bachelor of Science, Chemistry
University of Minnesota, Twin Cities, Minneapolis, Minnesota, Summa Cum Laude, 1996

Patricia O’Connor Myser Award for Excellence in Faculty Mentoring, 2017

Sabbatical funding for research in the laboratory of Prof. Sally Brooker, University of Otago, Dunedin, New Zealand, 2015

Endowed Chair in the Sciences, St. Catherine University, 2012–2015

Extramural Associates Research Development Award (EARDA): ORSP Pilot Research Study Award. Fall 2011 Course Release for Scholarship Publication, Saint Catherine University

2015

Sabbatical Research, University of Otago, Dunedin, New Zealand
Research in the lab of Professor Sally Brooker on luminescent macrocyclic lanthanide complexes for potential use as bioprobes

2011–2014

“MRI Consortium: Acquisition of a Single-Crystal X-ray Diffractometer for a Regional PUI Molecular Structure Facility” Principal Investigator, National Science Foundation Major Research Instrumentation Grant

2010

“Visible Light Spectroscopy – Practical Classroom and Field Use” Principal Investigator, Pittsburgh Conference Memorial National College Grant

2009–2011

“Nuclear Magnetic Resonance and the Fundamental Concept of Molecular Structure” Principal Investigator, National Science Foundation Course Curriculum and Instruction Grant

2008–2009

“Organometallic Ruthenium Complexes for Use in Electronic Materials Applications” Large-Scale 3M Grant for Student-Faculty Research, Center for Women, Science, and Technology, Centers of Excellence, College of St. Catherine

2007

“Organometallic Pt(II) Complexes for Use in Electronic Materials Applications” Research Site for Educators in Chemistry (RSEC) Grant, National Science Foundation, collaborative project involving the University of Minnesota and the College of St. Catherine

Patent Granted:

1998

Vapochromic Platinum-Complexes and Salts. 5766952

  • CHEM 1110/1120 General Chemistry I & II, lecture and lab
  • CHEM 1120 Synthesis laboratory
  • CHEM 2010 Organic Chemistry I, laboratory
  • CHEM 4000 Advanced Inorganic Chemistry, lecture and lab
  • CHEM 4994 Chemistry Topics: Why is Grass Green? Light, Electrons, and Matter
  • CHEM 4994 Chemistry Topics: Practical X-ray Crystallography
  • CHEM 4850 Chemistry Seminar
  • CORE 3990 Global Search for Justice: Environmental Justice
  • HNRS 4990 Philosophy & Science of Color & Color Perception (cotaught with Prof. Jeff Johnson, Philosophy)

Publications since 2013 (* indicates undergraduate coauthor)

64. Pappenfus, T.M.; Wood, T.L.*; Morey, J.L.*; Wilcox, W.D.*; Janzen, D.E. Crystal Structure and Hirshfled nalysis of 2-(5-bromothiophen-2-yl)acetonitrile. Acta Crystallographica, 2018, E74, 189-192.

63. Greenlee, A.J.*; Ofosu, C.K.*; Xiao, Q.*; Modan, M.*; Janzen, D.E.; Cao, D.D. Pyridinium-Functionalized Pyromellitic Diimides with Stabilized Radical Anion States. ACS Omega, 2018, 3(1), 240-245.

62. Whited, M.T.; Zhang, J.*; Ma, A.*; Nguyen, B.D.*; Janzen, D.E. Silylene-assisted hydride transfer to CO2 and CS2 at a [P2Si]Ru pincer-type complex. Dalton Transactions, 2017, Advance Article; DOI: 10.1039/C7DT03659K

61. Burrezo, P.M.; Domínguez, R.; Zafra, J.L.; Pappenfus, T.M.; de la Cruz, P.; Welte, L.; Janzen, D.E.; Lopez Navarrete, J.T.; Langa, F.; Cordón, J.C. Oligomers of Cyclopentadithiophene-Vinylene in Aromatic and Quinoidal Versions and Redox Species with Intermediate Forms. Chemical Science, 2017. DOI: 10.1039/C7SC02756G

60. Hosna, S.; Janzen, D.E.; Rzaigui, M.; Smirani, W. Synthesis, structural characterization, spectroscopic, thermal, dielectric and Hirshfeld surface analysis of 1-(2-methoxyphenyl)piperazinium chloranilate. Phase Transitions, 2017. doi:/10.1080/01411594.2017.1350959

59. Whited, M.T.; Ruffer, E.J.*; Zhang, J.*; Rabaey, D.J.*; Janzen, D.E. trans-Acetyldicarbonyl (η5-cyclopentadienyl)[tris(3,5-dimethylphenyl) phosphane]molybdenum(II). IUCRData, 2017, 2, x170042.

58. Janzen, D.E.; Majerle, R.R.; Novosad, K.L.* N,N-Dibutylanilinium hydrogen squarate. IUCRData, 2017, 2, x162065.

57. Janzen, D.E.; Lange, K.A.*; Wollack, J.W. Ammonium hydrogen bis(4-(2-phenyl-2H-tetrazol-5-yl)-benzoate). IUCRData, 2016, 1, x151670.

56. Maha, M.; Janzen, D.E.; Mohamed, R.; Wajda, S. Synthesis, Crystal structure, Thermal analysis, Spectroscopic and Magnetic properties of a novel organic cation tetrachlorocobaltate (II). Journal of Superconductivity and Novel Magnetism, 2016, 29(6), 1573-1581.

55. Whited, M.T.; Deetz,A.M.*; Donnell,T.M.*; Janzen, D.E. Examining the role of Rh/Si cooperation in alkene hydrogenation by a pincer-type [P2Si]Rh complex. Dalton Transactions, 2016, 45, 9758-9761.

54. Janzen, D.E.; Juchum, M.X.; Presow, S.R.; Ronson, T.K.; Mohr, W.; Clérac, R.; Feltham, H.L.C.; Brooker, S. Trigonal (-3) Symmetry Octahedral Lanthanide(III) Bis-tripodal Complexes. Supramolecular Chemistry, 2016, 28(1-2), 125-140.

53. Guino-o, M.A.; Talbot, M.O.*; Slitts, M.M.*; Pham, T.N.*; Audi, M.C.*; Janzen, D.E. Crystal structures of five 1-alkyl-4-aryl-1,2,4-triazol-1-ium halide salts. Acta Crystallographica, 2015, E71, 628-635.

52. Pappenfus, T.M.; Bashir, A.*; Gerold, B.J.*; Granaas, P.M.*; Janzen, D.E. Synthesis, Characterization, and Electronic Properties of a Thermally-Labile Isoindigo. Journal of Molecular Structure, 2015, 1095, 96-99.

51. Whited, M.T.; Qiu, L.*; Kosanovich, A.J.*; Janzen, D.E. Chalcogen Extrusion from Heteroallenes and Carbon Monoxide by a Three-Coordinate Rh(I) Disilylamide. Inorganic Chemistry, 2015, 54(7), 3670–3679.

50. Janzen, D.E.; Mann, K.R. Heteroleptic Platinum(II) Isocyanide Complexes: Convenient Synthetic Access, Polymorphs, and Vapoluminescence. Dalton Transactions, 2015, 44, 4223-4237.

49. Guino-o, M.A.; Folstad, M.J.*; Janzen, D.E. Crystal structures of 2,6-bis[(1H-1,2,4-triazol-1-yl)methyl]pyridine and 1,1-[pyridine-2,6-diylbis(methylene)]bis(4-methyl-1H-1,2,4-triazol-4-ium) iodide triiodide. Acta Crystallographica, 2015, E71, 128-132.

48. Janzen, D.E.; Bruening, M.A.*; Sutton, C.A.*; Sharma, A.R.* Trithiacrown Palladium(II) Complexes with Cyclometallating Ligands: Isomer Effects, Intramolecular Palladium-Sulfur Interactions, and Reversible PdII/III and PdIII/IV Oxidations. Journal of Organometallic Chemistry, 2015, 777, 31-41.

47. Janzen, D.E.; Kooyman, A.K.*; Lange, K.A.* Crystal structures of bis(2-(Diphenylphosphine sulfide)phenyl) ether and bis-(2-(Diphenylphosphine selenide)phenyl) ether. Acta Crystallographica, 2014, E70, 536-540.

46. Mathlouthi, M.; Janzen, D.E.; Rzaigui, M.; Sta, W.S. Crystal Structure of 2,5-dimethyl-anilinium hydrogen maleate. Acta Crystallographica, 2014, E70, o1183-o1184.

45. Whited, M.T.; Hofmeister, G.E.; Hodges, C.J.*; Jensen, L.T.*; Keyes, S.H.*; Ngamnithiporn, A.*; Janzen, D.E. Crystal structures of trans-acetyldicarbonyl- (eta-5-cyclopentadienyl)(dimethylphenylphosphane)-molybdenum(II) and trans-acetyldicarbonyl-(eta-5-cyclopentadienyl)(ethyldiphenylphosphane)-molybdenum(II) Acta Crystallographica, 2014, E70, 216-220.

44. Pappenfus, T.M.; Seidenkranz, D.T.*; Lovander, M.T.*; Beck, T.L.*; Karels, B.J.*; Ogawa, K.; Janzen, D.E. Synthesis and Electronic Properties of Oxidized Benzo[1,2-b:4,5-b']dithiophenes. Journal of Organic Chemistry, 2014, 79(19), 9408-9412.

43. Whited, M.T.; Deetz, A.M.*; Boerma, J.W.*; DeRosha, D.E.*; Janzen, D.E. Formation of Chlorosilyl Pincer-Type Rhodium Complexes by Multiple Si-H Activations of Bis(phosphine)/Dihydrosilyl Ligands. Organometallics, 2014, 33(19), 5070-5073.

42. Saadouni, H.; Janzen, D.E.; Rzaigui, M.; Smirani Sta, W. Synthesis, crystal structure and spectroscopy studies of a new non-centrosymmetric organic cation nitrate. Journal of Advances in Chemistry, 2014, 10(3), 2532-2539.

41. Janzen, D.E.; Crepeau, L.E.*; Hageseth, B.D.*; Wollack, J.W. Bis(2-nitrophenyl)methane. Acta Crystallographica, 2014, E70, o859.

40. Christensen, E.M.*; Oh, S.*; Oliver, D.; Janzen, D.E.; Drew, S.M. Solution and Solid-State Structure of cis Dichloro-(N,N' dimethylethylenediamine) platinum(II). Journal of Chemical Crystallography. 2014, 44, 236-242.

39. Dhieb, A.C.; Janzen, D.E.; Rzaigui, M.; Sta, W.S. Trichlorido(1-ethylpiperazin-1-ium)-cobalt(II). Acta Crystallographica, 2014, E70, m166.

38. Dhieb, A.C.; Janzen, D.E.; Rzaigui, M.; Sta, W.S. 1-Phenylpiperazine-1,4-diium tetrachloridocobalt(II). Acta Crystallographica, 2014, E70, m139.

37. Whited, M.T.; Kosanovich, A.J.; Janzen, D.E. Synthesis and Reactivity of Three-Coordinate (dtbpe)Rh Silylamides: CO2 Bond Cleavage by a Rhodium(I) Disilylamide. Organometallics, 2014, 33(6), 1416-1422.

36. Bala, R.; Kaur, A.; Kash, M.; Janzen, D.E. Second-sphere coordination in anion binding: Synthesis, characterization and X-ray Structures of bis(diethylenetriamine)cobalt(III) complexes containing benzoates, Journal of Molecular Structure, 2014, 1063, 203-212.

35. Janzen, D.E.; Kooyman, A.M.* Gold(III) Assisted C-H Activation of 1,4,7-trithiacyclononane: Synthesis and Spontaneous Resolution of a Bicyclic Chiral Sulfonium Salt. Dalton Transactions. 2014, 43 (9), 3424-3427.

34. Janzen, D.E.; Doherty, S.R.*; VanDerveer, D.G.; Hinkle, L.M.; Benefield, D.A.*; Vashi, H.M.*; Grant, G.J. Cyclometallated Gold(III) Complexes with a Trithiacrown Ligand: Solventless Au(III) Cyclometallation, Intramolecular Gold-Sulfur Interactions, and Fluxional Behavior in 1,4,7-Trithiacyclononane Au(III) Complexes. Journal of Organometallic Chemistry. 2014, 755, 47-57.

Presentations since 2013 (* indicates undergraduate researcher)

2017 Axial ligand interactions of cyclometallated Pd(II) complexes: Hemilabile oxathiacrowns vs inert but fluxional thiacrowns. Janzen, D.E., Bruening, M.A.*, Mamiya, A.A., da Silva Filho, D.A. American Chemical Society National Meeting, Division of Inorganic Chemistry, San Francisco, CA.

2016 Effects of Intramolecular Pd...S Interactions in Pseudo Five-Coordinate Thiacrown d8 Complexes. Janzen, D.E. 42nd International Conference on Coordination Chemistry, Brest, France

2016 Palladium(II) thiacrown and oxathiacrown complexes with cyclometallating ligands. Bruening, M.B.*; Janzen, D.E. MN Academy of Science, Winchell Undergraduate Symposium, University of Minnesota, Minneapolis, MN.

2016 Fluxional five-coordinate palladium(II) complexes with sulfur donor macrocycles: Reversible PdII/III electrochemistry, DFT calculations, and X-ray structure. Janzen, D.E. Invited symposium seminar, American Chemical Society National Meeting, Division of Inorganic Chemistry, San Diego, CA

2016 Palladium(II) thiacrown and oxathiacrown complexes with cyclometallating ligands. Bruening, M.B.*; Janzen, D.E. American Chemical Society National Meeting, Division of Inorganic Chemistry, San Diego, CA (also chosen for Sci-Mix Symposium)

2015 Pseudo-coordination of Thiamacrocyclic Ligands to d8 Metals. Janzen. D.E. Department Seminar, Department of Chemistry, University of Otago, Dunedin, New Zealand.

2015 Cyclometallated Palladium(II) Complexes with Fluxional Thiacrown Ligands. Bruening, M.B.*; Janzen, D.E. National Conference on Undergraduate Research, University of Eastern Washington, Cheney, WA.

2014 Benchtop Diffractometers: Implementation of an X-ray Crystallography Consortium of Undergraduate Institutions Based at St. Catherine University. Janzen, D.E. Invited symposium seminar, American Crystallographic Association National Meeting, Albuquerque, NM

2014 “All that is gold does not glitter”: Gold(III)…Sulfur Intramolecular Interactions in Templated C-H Bond Activation and Solid-state Effects. Janzen, D.E., Kooyman, A.M.*, Doherty, S.R.* Invited symposium seminar, American Chemical Society National Meeting, Division of Inorganic Chemistry, Dallas, TX.

2014 C-H Ativation at Gold(III): Synthesis of Chiral Sulfonium Salts. Kooyman, A.M.*, Janzen, D.E. American Chemical Society National Meeting, Division of Chemical Education, Dallas, TX.

2014 Triboluminescent Sudies of Copper(I) and Manganese(II) Complexes with Racemic and Single Enantiomer Chiral Diphosphines. Stamp, M.K.*, Janzen, D.E. American Chemical Society National Meeting, Division of Chemical Education, Dallas, TX.

2014 C-H activation at gold(III): Synthesis of chiral sulfonium salts. Kooyman, A.M.*, Janzen, D.E. MN Academy of Science, Winchell Undergraduate Symposium, St. Mary’s University, Winona, MN.

2014 Triboluminescent Studies of Copper(I) and Manganese(II) Complexes with Racemic and Single Enantiomer Chiral Diphosphines. Stamp, M.K.*, Janzen, D.E. MN Academy of Science, Winchell Undergraduate Symposium, St. Mary’s University, Winona, MN.