Publications — Knope Lab

Georgetown Publications

2025

61. McCusker, T. L.; Vanagas, N. A.; Szymanowski, J. E. S.; Surbella, R. G.; Bertke, J. A.; Arteaga, A.*; Knope, K. E.*. Elucidating trends in synthesis and structural periodicity in a series of tetravalent actinide-oxo hexamers. *CrystEngComm*, **2025**, 27, 507-515. DOI: 10.1039/D4CE01042F

2024

60. Blanes-Díaz, A.; Wacker, J. N.; Szymanowski, J. E. S.; Bertke, J. A.; Knope, K. E*. Isolation of a chloride-capped cerium polyoxo nanocluster built from 52 metal ions. *Chem. Commun.,* **2024,** 60, 12185-12188. DOI: 10.1039/D4CC03144J

59. Shaw, T. E.; Jones, Z. R.; Adelman, S. L.; Anderson, N. H.; Bowes, E. G.; Bauer E.D.; Dan, D.; Klouda, J.; Knope, K.E.*; Kozimor, S.A.*; MacInnes, M.M.; Mocko, V.; Rocha, F. R.; Root, H. D.; Stein, B. W.; Thompson, J. D.; Wacker J. N. [PuCl3{CoCp[OP(OEt)2]3: Transuranic Elements Entering the Field of Heterometallic Molecular Chemistry. *Chem. Sci.,* **2024**, 15, 12754-12764. DOI: 10.1039/D4SC01767F

58. Marwitz, A. C.; Dutta, A. K.; Conner, R. L.; Sanz, L. A.; Jacobsohn, L. G.; Knope, K. E.* Unlocking Arene Phosphorescence in Bismuth–Organic Materials
. *Inorganic Chemistry* **2024**, 63 (24), 11053-11062. DOI: 10.1021/acs.inorgchem.4c00606

57. Shore, M. C.; Nicholas, A. D.; Vasiliu, M.; Edwards, K. C.; de Melo, G. F.; Bertke, J. A.; Dixon, D. A.; Knope, K. E.* Structural Chemistry of Penta- and Hexanitrato Thorium(Iv) Complexes Isolated Using N–H Donors. *CrystEngComm* **2024**, 26, 1380-1398. DOI: 10.1039/D3CE01319G.

2023

56. Marwitz, A. C.; Nicholas, A. D.; Magar, R. T.; Dutta, A. K.; Swanson, J.; Hartman, T.; Bertke, J. A.; Rack, J. J.; Jacobsohn, L. G.; Knope, K. E.* Back in Bismuth: Controlling Triplet Energy Transfer, Phosphorescence, and Radioluminescence via Supramolecular Interactions. *J. Mater. Chem. C* **2023**, 11 (42), 14848–14864. DOI: 10.1039/D3TC02040A.

54. Blanes-Díaz, A.; Shohel, M.; Rice, N. T.; Piedmonte, I.; McDonald, M. A.; Jorabchi, K.; Kozimor, S. A.; Bertke, J. A.; Nyman, M.; and Knope, K. E.*
*Inorganic Chemistry* **2024** 63 (21), 9406-9417.
DOI: 10.1021/acs.inorgchem.3c02141

53. Marwitz, A. C.; Dutta, A. K.; McDonald, M. A.; and Knope, K. E.* Efficient Europium Sensitization via Low-Level Doping in a 2-D Bismuth-Organic Coordination Polymer.
*Crystal Growth & Design* **2023**, 23(5), 3330-3337.
DOI: 10.1021/acs.cgd.2c01475

2022

52. Stewart Jr O; Marwitz AC; Swanson J; Bertke JA; Hartman T; Monteiro J; de Bettencourt-Dias A; Knope KE; Stoll SL. Lanthanide Luminescence and Thermochromic Emission from Soft-Atom Donor Dichalcogenoimidodiphosphinate Ligands. *Inorganic Chemistry*, **2022**. DOI: 10.1021/acs.inorgchem.2c02260

51. Blanes Díaz, A.; Stewart, O.; Vasiliu, M.; Nicholas, A.; Murray, A. V; Shore, M. C.; Dixon, D. A.; **Knope, K. E*.** Th(IV) Bromide Complexes: A Homoleptic Aqua Ion and a Novel Th(H2O)4Br4 Structural Unit. *Cryst. Growth Des.* **2022**, 22(7), 4375-4381. https://doi.org/10.1021/acs.cgd.2c00353.

50. Wacker JN, Ditter AS, Cary SK, Murray AV, Bertke JA, Seidler GT, Kozimor SA, Knope KE.* Reactivity of a Chloride Decorated, Mixed Valent CeIII/IV38-Oxo Cluster. *Inorganic Chemistry.* **2022**, 61(1), 193-205. DOI: 10.1021/acs.inorgchem.1c02705.

2021

49. Adcock AK, Marwitz AC, Sanz LA, Ayscue RL, Bertke JA, **Knope KE***. Synthesis, Structural Characterization, and Luminescent Properties of Heteroleptic Bismuth-Organic Compounds. CrystEngComm **2021**, 23, 8183-8197. DOI:10.1039/D1CE01242H

48. MacInnes M, Jones Z, Anderson N, Eiroa-Lledo C, Knope KE; Livshits M, Kozimor S, Mocko V, Rein F, Stein B, Wacker J. Molten Salts to Probe Outer-Coordination Sphere Effects on Lanthanide(III)/(II) Electron-Transfer Reactions. *Dalton Transactions* **2021**, 50, 15696-15710. DOI: 10.1039/D1DT02708E.

47. Marwitz AC, Nicholas AD, Breuer LM, Bertke JA, Knope KE.* Harnessing bismuth coordination chemistry to achieve bright, long-lived organic phosphorescence. *Inorganic Chemistry*, 2021. DOI: 10.1021/acs.inorgchem.1c02748.

46. Ayscue RL, Vallet V, Bertke JA, Réal F,* **Knope KE*.** Structure-Property Relationships in Photoluminescent Bismuth Halide Organic Hybrid Materials. *Inorganic Chemistry*, **2021**, 60, 13, 9727-9744. DOI: 10.1021/acs/inorgchem.1c01025.

45. Wacker JN; Nicholas AD; Vasiliu M; Marwitz AC; Bertke JA; Dixon DA; **Knope KE**.* Impact of Noncovalent Interactions on the Structural Chemistry of Thorium(IV)–Aquo–Chloro Complexes. Inorganic Chemistry, **2021**, 60, 9, 6375-6390. DOI: 10.1021/acs.inorgchem.1c00099.

44. Murray AV, Wacker JN, Bertke JA, **Knope KE**.* Synthesis, Characterization, and Solid-State Structural Chemistry of Uranium(IV) Aliphatic Dicarboxylates. *Crystal Growth & Design*, **2021**, 21, 4, 2429-2444. DOI: 10.1021/acs.cgd.1c00042.

43. Jones Z; Livshits M; White F; Dalodiere E; Kerlin (Ferrier), M; Lilley L; **Knope KE**; Kozimor SA;* Mocko V; Stein B; Wacker JN; Woen DH. Advancing Understanding of Actinide(III) (Ac, Am, Cm) Aqueous Complexation Chemistry. *Chemical Science*, **2021**, 12, 5638-5654. DOI: 10.1039/D1SC00233C.

42. Carter KP, Shield KM, Smith KF, Jones ZR, Wacker JN, Arnedo-Sanchez L, Mattox TM, Moreau LM, Knope KE, Kozimor SA*, Booth CH*, Abergel RJ*. Structural and spectroscopic characterization of an einsteinium complex. Nature 2021, 590 (7844), 85-88. DOI: 10.1038/s41586-020-03179-3.

2020

41. Adcock AK, Ayscue RL, Breuer LM, Verwiel CP, Marwitz AC, Bertke JA, Vallet V, Réal F, Knope KE*. Synthesis and Photoluminescence of Three Bismuth(III)-Organic Compounds Bearing Heterocyclic N-Donor Ligands. Dalton Transactions, 2020, 49, 11756-11771. DOI: 10.1039/D0DT02360D

40. Murray AV, Vanagas NA, Wacker JN, Bertke JA, Knope KE*. From Isolated Molecular Complexes to Extended Networks: Synthesis and Characterization of Thorium Furanmono- and dicarboxylates. European Journal of Inorganic Chemistry, 2020, 34, 3287-3295. DOI: 10.1002/ejic.202000467

39. Ayscue RL, Verwiel CP, Bertke JA, Knope KE*. Excitation Dependent Photoluminescence Color Tuning in Lanthanide-Organic Hybrid Materials. Inorganic Chemistry, 2020, 59(11), 7539-7552. DOI: 10.1021/acs.inorgchem.0c00405

38. Vanagas NA, Higgins RF, Wacker JN, Asuigui DRC, Warzecha E, Kozimor SA, Stoll SL, Schelter EJ, Bertke JA, Knope KE*. Mononuclear to Polynuclear U(IV) Structural Units: Effects of Reaction Conditions on U-Furoate Phase Formation. Chemistry – A European Journal, 2020, 26(26), 5872. DOI: 10.1002/chem.201905759

2019

37. Wacker JN, Vasiliu M, Colliard I, Ayscue RL, Han SY, Bertke JA, Nyman M, Dixon DA, Knope KE*. Monomeric and Trimeric Thorium Chlorides Isolated from Acidic Aqueous Solution. Inorganic Chemistry, 2019, 58 (16), 10871-10882. DOI: 10.1021/acs.inorgchem.9b01238

36. Wacker JN, Han SY, Murray AV, Vanagas NA, Bertke JA, Sperling JM, Surbella RG, Knope KE*. From Thorium to Plutonium: Trends in Actinide(IV) Chloride Structural Chemistry. Inorganic Chemistry, 2019, 58(16), 10528-10591. DOI: 10.1021/acs.inorgchem.9b01279. Invited contribution to Forum Issue “Celebrating the Year of the Periodic Table: Emerging Investigators in Inorganic Chemistry.”

35. Gómez G,* López C, Ayscue III RL, Knope KE, Deluigi MT, Narda G. Strong Photoluminescence and Sensing Performance of Nanosized Ca0.8Ln0.1Na0.1WO4 (Ln=Sm, Eu) Compounds Obtained by Dry “Top-down” Grinding Method. Dalton Transactions, 2019, 48, 12080-12087. DOI: 10.1039/c9dt02109d

34. Batrice RJ, Wacker JN, Glass EN, Jilani SZ, Tong YJ, Nyman M, Knope KE*. Template-free cyclic hexavanadate: Synthesis, Characterization, Solid-State Structure, and Solution-State Dynamics. Polyhedron, 2019, 169, 266-277. DOI: 10.1016/j.poly.2019.05.014. Invited contribution to special issue featuring “Women in MOx Chemistry.”

2018

33. Adcock, A. K., B. Gibbons, J. D. Einkauf, J. A. Bertke, J. F. Rubinson, D. T. de Lill and Knope KE*. Bismuth(III)-Thiophenedicarboxylates as Host Frameworks for Lanthanide ions: Synthesis, Structural Characterization, and Photoluminescent Behavior. Dalton Transactions 2018, 47(38): 13419-13433. DOI : 10.1039/c8dt02920b

32. Vanagas NA, Wacker JN, Rom CL, Glass EN, Colliard I, Qiao Y, Bertke JA, Van Keuren E, Schelter EJ, Nyman M, Knope KE*. Solution and Solid State Structural Chemistry of Th(IV) and U(IV) 4-Hydroxybenzoates. Inorganic Chemistry, 2018, 57 (12), pp 7259–7269. DOI: 10.1021/acs.inorgchem.8b00919

31. Batrice RJ, Ayscue III RL, Adcock AK, Sullivan BR, Han SY, Piccoli PM, Bertke JA, Knope KE*. Photoluminescence of Visible and NIR-Emitting Lanthanide-Doped Bismuth-Organic Materials. Chemistry – A European Journal, 2018, 24(21), 5630-5636. DOI: 10.1002/chem.201706143

2017

30. Wacker JN, Vasiliu M, Huang K, Baumbach RE, Bertke JA, Dixon DA, Knope KE*. Uranium(IV) Chloride Complexes: UCl62- and an Unprecedented U(H2O)4Cl4 Structural Unit. Inorganic Chemistry, 2017, 56(16), 9772–9780. DOI: 10.1021/acs.inorgchem.7b01293

29. Batrice RJ, Ridenour JA, Ayscue RL, Bertke JA, Knope KE*. Synthesis, Structure, and Photoluminescent Behavior of Molecular Lanthanide-2-Thiophenecarboxylate -2,2’:6’,2’’-Terpyridine Materials. CrystEngComm, 2017, 19, 5300-5312. DOI: 10.1039/C7CE01192J

28. Batrice RJ, Adcock AK, Cantos PM, Bertke JA, Knope KE*. Synthesis and Characterization of an Isomorphous Lanthanide-Thiophenemonocarboxylate Series (Ln = La-Lu, except Pm) Amenable to Color Tuning. Crystal Growth & Design, 2017, 17, 9, 4603-4612. DOI: 10.1021/acs.cgd.7b00400

27. Adcock AK, Batrice RJ, Bertke JA, Knope KE*. Structural Diversity in Bismuth(III)-Thiophenemonocarboxylates. European Journal of Inorganic Chemistry, 2017, 1435-1445. DOI: 10.1002/ejic.201601368

Prior to Georgetown

2007-2016

26. Hellebrandt, S., Lee SS, Knope KE, Lussier AJ, Stubbs JE, Eng PJ, Soderholm L, Fenter P, and Schmidt M, A Comparison of Adsorption, Reduction, and Polymerization of the Plutonyl(VI) and Uranyl(VI) Ions from Solution onto the Muscovite Basal Plane. Langmuir, 2016. 32(41): p. 10473-10482.

25. Knope KE, Skanthakumar S, Soderholm L. Two dihydroxo-bridged plutonium(IV) nitrate dimers and their relevance to trends in tetravalent ion hydrolysis and condensation. Inorganic Chemistry, 2015, 54(21), 10192-10196. DOI: 10.1021/acs.inorgchem.5b01242

24. Schmidt M, Hellebrandt S, Knope KE, Lee SS, Stubbs JE, Eng PJ, Soderholm S, Fenter P. Effects of the background electrolyte on Th(IV) sorption to muscovite mica. Geochimica et Cosmochimica Acta, 2015, 165, 280-293.

23. Schmidt M. Lee S.; Wilson RE, Knope KE, Bellucci F, Eng P, Stubbs J, Soderholm L, Fenter P. Surface-Mediated Formation of Pu(IV) nanoparticles at the Muscovite-Electrolyte Interface. Environmental Science & Technology, 2013, 47(24), 14178-14184. DOI: 10.1021/es4037258

22. Hu, YJ, Knope KE, Skanthakumar S, Kanatzidis MG, Mitchell J, Soderholm L. Understanding the role of aqueous solution speciation and its application to the directed synthesis of complex oxidic Zr chlorides and sulfates. Journal of the American Chemical Society; 2013, 135(38, 14240-14248. DOI: 10.1021/ja405555h

21. Hu, YJ, Knope KE, Skanthakumar S, Soderholm L. Understanding the Ligand Directed assembly of a hexanuclear Th(IV) molecular cluster in aqueous solution. European Journal of Inorganic Chemistry; 2013, 24, 4159-4163. DOI: 10.1002/ejic.201300805

20. Knope KE, Soderholm L. Plutonium(IV) cluster with a hexanuclear [Pu6(OH)4O4]12+ Core. Inorganic Chemistry; 2013, 52(12), 6770-6772. (highlighted article) DOI: 10.1021/ic4007185

19. Knope KE, Soderholm L. Solution and solid-state structural chemistry of actinide hydrates and their hydrolysis and condensation products. Chemical Reviews; 2013, 113(2), 944-994. DOI: 10.1021/cr300212f

18. Vasiliu M, Knope KE, Soderholm L, Dixon DA. Spectroscopic and energetic properties of thorium(IV) molecular clusters with a hexanuclear core. J. Phys. Chem. A; 2012, 116 (25), 6917–6926. DOI: 10.1021/jp303493t

17. Ramirez AL, Knope KE, Kelley TT, Greig NE, Einkauf JD, de Lill DT. Structure and luminescence of a 2-dimensional 2,3-pyridinedicarboxylate coordination polymer constructed from lanthanide (III) dimers. Inorganica Chimica Acta; 2012, 392, 46-51. DOI: 10.1016/j.ica.2012.05.039

16. Knope KE, Vasiliu M, Dixon DA, Soderholm L. Thorium(IV)-selenate clusters containing an octanuclear Th(IV) hydroxide/oxide core. Inorganic Chemistry, 2012, 51(7), 4239-4249. DOI: 10.1021/ic202706s

15. Knope KE, Kimura H, Yasaka Y, Nakahara M, Andrews MB, Cahill CL. Investigation of in situ oxalate formation from 2,3-pyrazinedicarboxylate using Nuclear Magnetic Resonance Spectroscopy. Inorganic Chemistry, 2012, 51(6), 3883-3890. DOI: 10.1021/ic3000944

Cover Article

14. Knope KE, de Lill DT, Rowland CE, Cantos PM, de Bettencourt-Dias A, Cahill CL. Uranyl sensitization of samarium(III) luminescence in a two-dimensional coordination polymer. Inorganic Chemistry, 2012, 51(1), 201-206. DOI: 10.1021/ic201450e

13. Knope KE, Wilson RE, Vasiliu M, Dixon DA, Soderholm L. Thorium(IV) molecular clusters with a hexanuclear Th core. Inorganic Chemistry, 2011, 50(19), 9696-9704. DOI: 10.1021/ic2014946

12. Knope KE, Wilson RE, Skanthakumar S, Soderholm L. Synthesis and characterization of thorium(IV) sulfates. Inorganic Chemistry, 2011, 50(17), 8621-8629. DOI: 10.1021/ic201175u

11. Knope KE, Cahill CL. Uranyl triazolate formation via an in situ Huisgen 1,3-dipolar cycloaddition reaction. CrystEngComm, 2011, 13(1), 153-157.

10. Knope KE, Cahill CL. Homometallic UO22+ diphosphonates assembled under ambient and hydrothermal conditions. Dalton Transactions, 2010, 39, 8319-8324.

9. Knope KE, Cahill CL. Room temperature assembly of a uranyl carboxyphosphonate: Synthesis, characterization, and UO22+ hydrolysis. Inorganic Chemistry Communications, 2010, 13, 1040-1042. DOI: 10.1016/j.inoche.2010.06.005

8. Knope KE, Cahill CL. Synthesis and characterization of 1-, 2-, and 3-dimensionalbimetallic UO22+/Zn2+ Phosphonoacetates. European Journal of Inorganic Chemistry,2010, 8, 1177-1185. DOI: 10.1002/ejic.200901080

7. Rowland CE, Belai N, Knope KE, Cahill CL. Hydrothermal synthesis of disulfide-containing uranyl compounds: In situ ligand synthesis versus direct assembly. Crystal Growth & Design, 2010, 10, 1390-1398. DOI: 10.1021/cg901390n

6. Knope KE, Cahill CL. Homometallic uranium (VI) phosphonoacetates containing interlayer dipyridines. Inorganic Chemistry 2009; 48(14), 6845-6851. DOI: 10.1021/ic9007735

5. Wilson RE, Skanthakumar S, Knope KE, Cahill CL, Soderholm L. An Open-Framework Thorium Sulfate Hydrate with 11.5Å Voids. Inorganic Chemistry 2008; 47(20), 9321-9326. DOI: 10.1021/ic800931f

4. Knope KE, Cahill CL. Structural variation within homometallic uranium (VI) carboxyphosphonates: in-situ ligand synthesis, directed assembly, metal-ligand coordination, and hydrogen bonding. Inorganic Chemistry 2008; 47(17), 7660-7672. DOI: 10.1021/ic800683m

3. Ziegelgruber KL, Knope KE, Frisch M, Cahill CL. Hydrothermal chemistry of Th(IV) with aromatic dicarboxylates: New framework compounds and in-situ ligand synthesis. Journal of Solid State Chemistry 2008; 181, 373-381. DOI: 10.1016/j.jssc.2007.12.008

2. Knope KE, Cahill CL. Hydrothermal Synthesis of a Novel Uranium Oxalate/Glycolate via In-Situ Ligand Formation. Inorganic Chemistry 2007; 46(16), 6607-6612. DOI: 10.1021/ic700700e

1. Knope KE, Cahill, CL. 1,4-diazoniabicyclo[2.2.2]octane dinitrate. Acta Crystallographica: Section E 2007; 63(6), o2955. DOI: 10.1107/S1600536807022805

Book Chapters

Batrice RJ, Wacker JN, Knope KE. “Actinide Complexes, Clusters, and Nanostructures Isolated from Aqueous Solution” in Experimental and Theoretical Approaches to Actinide Science. Gibson JK, de Jong WA, Eds.; Wiley Publishing. In press.

51If0r9DXXL._SX330_BO1,204,203,200_.jpg — **Knope KE**, Cahill CL. “Uranyl phosphonates: A structural survey,” in Metal Phosphonate Chemistry: From Synthesis to Applications. Clearfield A, Demadis KD, Eds.; RSC Publishing: Cambridge, 2011

Peer Reviewed Publications