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Fundamental and Computational Sciences Directorate

Staff information

Herman Cho

Pacific Northwest National Laboratory
PO Box 999
MSIN: J7-10
Richland, WA 99352

PNNL Publications



  • Graham T.R., J. Castillo, S.I. Sinkov, A.V. Gelis, G.J. Lumetta, and H.M. Cho. 2023. "Multiplicity of Th(IV) and U(VI) HEH[EHP] chelates at low temperatures from concentrated nitric acid extractions." Inorganic Chemistry 62, no. 2:792-801. PNNL-SA-176854. doi:10.1021/acs.inorgchem.2c03307
  • Hall G.B., E.L. Campbell, N.P. Bessen, T.R. Graham, H.M. Cho, M.D. RisenHuber, and F.D. Heller, et al. 2023. "Extraction of Nitric Acid and Uranium with DEHiBA Under High Loading Conditions." Inorganic Chemistry 62, no. 17:6711-6721. PNNL-SA-181489. doi:10.1021/acs.inorgchem.3c00288
  • Park S., E.D. Walter, Z.C. Soderquist, S.I. Sinkov, and H.M. Cho. 2023. "Temperature Dependence of Nuclear Quadrupole Resonance and the Observation of Metal-Ligand Covalency in Actinide Complexes: 35Cl in Cs2UO2Cl4." Journal of Physical Chemistry A 127, no. 40:8347-8353. PNNL-SA-185388. doi:10.1021/acs.jpca.3c04657



  • Walter E.D., C. Capan, A.J. Casella, J.C. Carter, B.K. McNamara, C.Z. Soderquist, and S.I. Sinkov, et al. 2021. "Measurement of Local Magnetic Fields in Actinide Tetrafluorides." Journal of Chemical Physics 154, no. 21:111092. PNNL-SA-161163. doi:10.1063/5.0052323


  • Cho H.M., I.E. Burgeson, S.R. Adami, and S.I. Sinkov. 2020. "Isotope-Specific Analysis of Neutron-Irradiated Lithium Aluminate Ceramics by Nuclear Magnetic Resonance Spectroscopy." Journal of the American Ceramic Society 103, no. 12:291-7298. PNNL-SA-153339. doi:10.1111/jace.17416
  • Kouzes R.T., H.M. Cho, C.C. Cowles, G. Dib, P.E. Keller, J.E. Smart, and P.J. Smith, et al. 2020. "Investigations of Degradation and Encapsulation of Plastic Scintillator." Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment 954. PNNL-SA-134260. doi:10.1016/j.nima.2019.01.018
  • Sergentu D., G. Kent, S. Staun, X. Yu, H.M. Cho, J. Autschbach, and T.W. Hayton. 2020. "Probing the Electronic Structure of a Thorium Nitride Complex by Solid-State 15N NMR Spectroscopy." Inorganic Chemistry 59, no. 14:10138-10145. PNNL-SA-153043. doi:10.1021/acs.inorgchem.0c01263


  • Muller K., H. Foerstendorf, R. Steudtner, S. Tsushima, M. Kumke, G. Lefevre, and J. Rothe, et al. 2019. "Interdisciplinary round-robin test on molecular spectroscopy of the U(VI) acetate system." ACS Omega 4, no. 5:8167-8177. PNNL-SA-134583. doi:10.1021/acsomega.9b00164
  • Muller K., H. Foerstendorf, R. Steudtner, S. Tsushima, M. Kumke, G. Lefevre, and J. Rothe, et al. 2019. "Interdisciplinary Round-Robin Test on Molecular Spectroscopy of the U(VI) Acetate System." ACS Omega 4, no. 5:8167-8177. PNNL-SA-143380. doi:10.1021/acsomega.9b00164


  • Brown D.M., H.M. Cho, and W.A. De Jong. 2016. "Bridging experiment and theory: a template for unifying NMR data and electronic structure calculations." Journal of Cheminformatics 8, no. 8:1-9. PNNL-SA-111831. doi:10.1186/s13321-016-0120-z
  • Capan C., R. Dempsey, S.I. Sinkov, B.K. McNamara, and H.M. Cho. 2016. "Probing the Pu4+ Magnetic Moment in PuF4 with 19F NMR Spectroscopy." Physical Review B 93, no. 22:224409. PNNL-SA-116965. doi:10.1103/PhysRevB.93.224409
  • Cho H.M. 2016. "Dependence of nuclear quadrupole resonance transitions on the electric field gradient asymmetry parameter for nuclides with half-integer spins." Atomic Data and Nuclear Data Tables 111-112. PNNL-SA-113161. doi:10.1016/j.adt.2016.02.003
  • Mounce A.M., H. Yasuoka, G. Koutroulakis, J.A. Lee, H.M. Cho, F. Gendron, and E. Zurek, et al. 2016. "Nuclear Magnetic Resonance Measurements and Electronic Structure of Pu(IV) in [(Me)4N]2PuCl6." Inorganic Chemistry 55, no. 17:8371-8380. PNNL-SA-117007. doi:10.1021/acs.inorgchem.6b00735


  • Kathmann S.M., H.M. Cho, T. Chang, G.K. Schenter, K.K. Parab, and T. Autrey. 2014. "Experimental and Theoretical Study of Molecular Response of Amine Bases in Organic Solvents." Journal of Physical Chemistry B 118, no. 18:4883-4888. PNNL-SA-100585. doi:10.1021/jp500821u
  • Lercher J.A., A.M. Appel, T. Autrey, R.M. Bullock, D.M. Camaioni, H.M. Cho, and D.A. Dixon, et al. 2014. "Multifunctional Catalysts to Synthesize and Utilize Energy Carriers." In Frontiers at the Interface between Homogeneous and Heterogeneous Catalysis, II, 207-219. Washington, District Of Columbia:U.S. Department of Energy, Office of Science. PNNL-SA-103068.


  • Karkamkar A.J., K. Parab, D.M. Camaioni, D. Neiner, H.M. Cho, T.K. Nielsen, and T. Autrey. 2013. "A Thermodynamic and Kinetic Study of the Heterolytic Activation of Hydrogen by Frustrated Borane-Amine Lewis Pairs." Dalton Transactions 42, no. 3:615-619. PNNL-SA-89406. doi:10.1039/c2dt31628e


  • Cort J.R., P.J. Alperin, and H.M. Cho. 2012. "Measurement and analysis of diastereomer ratios for forensic characterization of brodifacoum." Forensic Science International 214, no. 1-3:178-181. PNNL-SA-68262. doi:10.1016/j.forsciint.2011.08.003


  • Jain A., S. Lense, J.C. Linehan, S. Raugei, H.M. Cho, D.L. DuBois, and W.J. Shaw. 2011. "Incorporating Peptides in the Outer Coordination Sphere of Bio-inspired Electrocatalysts for Hydrogen Production." Inorganic Chemistry 50, no. 9:4073-4085. PNNL-SA-75284. doi:10.1021/ic1025872


  • Cho H.M., W.A. De Jong, A.P. Sattelberger, F. Poineau, and K. Czerwinski. 2010. "Comprehensive Solid-State NMR Characterization of Electronic Structure in Ditechnetium Heptoxide." Journal of the American Chemical Society 132, no. 38:13138-13140. PNNL-SA-73730.
  • Cho H.M., W.A. De Jong, and C.Z. Soderquist. 2010. "Probing the Oxygen Environment in UO22+ by Solid-State O-17 Nuclear Magnetic Resonance Spectroscopy and Relativistic Density Functional Calculations." Journal of Chemical Physics 132, no. 8:084501. PNNL-SA-68351. doi:10.1063/1.3308499


  • Cort J.R., and H.M. Cho. 2009. "1H and 13C NMR Chemical Shift Assignments and Conformational Analysis for the Two Diastereomers of the Vitamin K Epoxide Reductase Inhibitor Brodifacoum." Magnetic Resonance in Chemistry 47, no. 10:897-901. PNNL-SA-65819. doi:10.1002/mrc.2475


  • Cho H.M., W.J. Shaw, V.M. Parvanov, G.K. Schenter, A.J. Karkamkar, N.J. Hess, and C.J. Mundy, et al. 2008. "Molecular Structure and Dynamics in the Low Temperature (Orthorhombic) Phase of NH3BH3." Journal of Physical Chemistry A 112, no. 18:4277-4283. PNNL-SA-58394.


  • Farnan I.E., H.M. Cho, and W.J. Weber. 2007. "QUANTIFICATION OF ACTINIDE ALPHA-RADIATION DAMAGE IN MINERALS AND CERAMICS." Nature 445. PNNL-SA-51828. doi:10.1038/nature05425


  • Cho H.M. 2006. "2-D Homonuclear Correlation and Separated Local Field Experiments for Solids with Strong Homonuclear Dipolar Couplings." Solid State Nuclear Magnetic Resonance 29, no. 1-3:219-226. PNNL-SA-45851.
  • Cho H.M., A.R. Felmy, R. Craciun, J.P. Keenum, N.K. Shah, and D.A. Dixon. 2006. "Solution State Structure Determination of Silicate Oligomers by 29Si NMR Spectroscopy and Molecular Modeling." Journal of the American Chemical Society 128, no. 7:2324-2335. PNNL-SA-46407. doi:10.1021/ja0559202
  • Cho H.M., and A.R. Felmy. 2006. EMSL Radiological NMR Spectroscopy Meeting. May 1-2, 2006. Ricland, Washington:Pacific Northwest National Laboratory. PNNL-16045.
  • Farnan I.E., H.M. Cho, and W.J. Weber. 2006. "IDENTIFYING AND QUANTIFYING ACTINIDE RADIATION DAMAGE IN ZrSiO4 MINERALS AND CERAMICS WITH NUCLEAR MAGNETIC RESONANCE." In Proceedings of the Eighth Actinides Conference, Actinides 2005, 4-8 July 2005, University of Manchester, UK. Published in Recent Advances in Actinide Science, edited by I May, R Alvarez, N Bryan, 305-310. Cambridge:Royal Society of Chemistry. PNNL-SA-45788.
  • Felmy A.R., H.M. Cho, D.A. Dixon, Y. Xia, N.J. Hess, and Z. Wang. 2006. "The Aqueous Complexation of Thorium with Citrate under Neutral to Basic Conditions." Radiochimica Acta 94, no. 4:205-212. PNNL-SA-42620. doi:10.1524/ract.2006.94.4.205
  • Harel E., and H.M. Cho. 2006. "A General Numerical Analysis of Time-Domain NQR Experiments." Journal of Magnetic Resonance 183, no. 2:308-314. PNNL-SA-48983. doi:10.1016/j.jmr.2006.06.033
  • McNamara B.K., L.A. Snow, C.Z. Soderquist, S.I. Sinkov, H.M. Cho, and J.I. Friese. 2006. "The radiation induced chemistry of uranyl cation in aqueous carbonate -bicarbonate solutions as followed by NMR spectroscopy." In 2nd Symposium on Actinides - Basic Scienc, Applications and Technology held at the Materials Science Research Society Fall Meeting in Boston, Nov. 28-Dec. 1, 2005, Published in Actinides 2005, edited by Lynda Soderholm, 369-374. Warrendale, Pennsylvania:Materials Research Society. PNNL-SA-47948.
  • Snow L.A., B.K. McNamara, S.I. Sinkov, H.M. Cho, and J.I. Friese. 2006. "Observation of Radiolytic Field Alteration of the Uranyl Cation in Bicarbonate Solution." In Actinides 2006-Basic Science, Applications and Technology. Materials Research Society Symposium Proceedings, edited by K.J.M. Blobaum, E. Chandler, L. Havela, M.B. Maple, M.Neu, 986, 177-182. Warrendale, Pennsylvania:Materials Research Society. PNNL-SA-53494.


  • Wang Z., A.R. Felmy, Y. Xia, O. Qafoku, W. Yantasee, and H.M. Cho. 2005. "Complexation of Cm(III)/Eu(III) with Silicate in Basic Solutions." Radiochimica Acta 93, no. 12:741-748. PNNL-SA-42709.


  • Cho H.M., W.A. De Jong, B.K. McNamara, B.M. Rapko, and I.E. Burgeson. 2004. "Temperature and Isotope Substitute Effects on the Structure and NMR Properties of the Pertechnetate Ion in Water." Journal of the American Chemical Society 126, no. 37:11583-11588. PNNL-SA-41266.
  • Farnan I.E., H.M. Cho, W.J. Weber, R.D. Scheele, N.R. Johnson, and A.E. Kozelisky. 2004. "High-Resolution Solid-State Nuclear Magnetic Resonance Experiments on Highly Radioactive Ceramics." Review of Scientific Instruments 75, no. 12:5232-5236. PNNL-SA-41823.
  • Hunger S., H.M. Cho, J.T. Sims, and D.L. Sparks. 2004. "Direct Speciation of Phosphorus in Alum-Amended Poultry Litter: Solid-State 31P NMR Investigation." Environmental Science & Technology 38, no. 3:674-681. PNNL-SA-40405.


  • Cho H.M., D. Rai, N.J. Hess, Y. Xia, and L. Rao. 2003. "Acidity and Structure of Isosaccharinate in Aqueous Solution: A Nuclear Magnetic Resonance Study." Journal of Solution Chemistry 32, no. 8:691-702. PNNL-SA-38699.
  • Lumetta G.J., B.M. Rapko, and H.M. Cho. 2003. "Studies of the Fundamental Chemistry of Hanford Tank sludges." In ICEM'03 : 9th International Conference on Environmental Remediation and Radioactive Waste Management : held in Oxford, England, September 21-25, 2003 /. New York:American Society of Mechanical Engineers. PNNL-SA-38714.
  • Rai D., N.J. Hess, Y. Xia, L. Rao, H.M. Cho, R.C. Moore, and L.R. Van Loon. 2003. "Comprehensive Thermodynamic Model Applicable to Highly Acidic to Basic Conditions for Isosaccharinate Reactions with Ca(II) and Np(IV)." Journal of Solution Chemistry 32, no. 8:665-689. PNNL-SA-38483.


  • Cho H.M., P.B. Shepson, L.A. Barrie, J.P. Cowin, and R.A. Zaveri. 2002. "NMR Investigation of the Quasi-Brine Layer in Ice/Brine Mixtures." Journal of Physical Chemistry B 106, no. 43:11226-11232. PNNL-SA-35863.


  • Felmy A.R., H.M. Cho, J.R. Rustad, and M.J. Mason. 2001. "An Aqueous Thermodynamic Model for Polymerized Silica Species to High Ionic Strength." Journal of Solution Chemistry 30, no. 6:509-525. PNNL-SA-34535.


  • Cho H.M. 2000. "Hydrogen bonding interaction in Phase A [Mg7Si2O8(HO)6)] at ambient and high pressure." Physics and Chemistry of Minerals 27, no. 4:225-233. PNNL-SA-30796.


  • Cho H.M. 1999. "Off-Resonance Multiple-Pulse Dynamics in Solid State NMR Spectroscopy: A Revised Coherent Averaging Theory Analysis." Journal of Magnetic Resonance 141, no. 1:164-179. PNNL-SA-32353.
  • Maxwell R.S., R.K. Kukkadapu, J.E. Amonette, and H.M. Cho. 1999. "2H Solid-State NMR Investigation of Terephthalate Dynamics and Orientation in Mixed-Anion Hydrotalcite-like Compounds." Journal of Physical Chemistry B 103. PNNL-SA-30257.
  • Schaller T., C. Rong, and H.M. Cho. 1999. "TRAPDOR NMR investigations of phosphorus-bearing aluminosilicate glasses." Journal of Non-crystalline Solids 248, no. 1:19-27. PNNL-SA-29545.
  • Tagg S.L., H.M. Cho, M.D. Dyar, and E.s. Grew. 1999. "Tetrahedral Boron in Naturally-Occurring Tourmaline." The American Mineralogist 84, no. 9:1451-1455. PNNL-SA-30442.


  • Stec D.F., R.S. Maxwell, and H.M. Cho. 1998. "Protonated Sites of Sulfate-Promoted Zirconium Oxide Catalysis: A Fourier Transform-IR, Thermal Analysis, and Solid State 1H NMR Study." Journal of Catalysis 176, no. 1:14-24. PNNL-SA-28558. doi:10.1006/jcat.1998.2000

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