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34

Strong Proper C-H Hydrogen Bonds:
Experimental Evidence across Spectral Ranges

Anton Kliuchynskyi, Aritri Biswas, Andrey Shalit, Alexei A. Kananenka, and Bogdan Dereka*

JACS Au, 2026, 6, 5, 2988-3001 (Featured on Front Cover), DOI: 10.1021/jacsau.6c00326

33

Excited-State Symmetry Breaking Is an Ultrasensitive Tool
for Probing Microscopic Electric Fields

Bogdan Dereka*, Nikhil Maroli, Yevgen M. Poronik, Daniel T. Gryko, Alexei A. Kananenka

Chem. Sci., 2024, 15, 15565-15576 (Featured on Front Cover), DOI: 10.1039/D4SC04797D

32

Excited-State Symmetry Breaking and Localization in a Noncentrosymmetric Donor-Acceptor-Donor Molecule

Bogdan Dereka*, Evangelos Balanikas, Arnulf Rosspeintner, Zhiquan Li, Robert Liska, Eric Vauthey*

J. Phys. Chem. Lett., 2024, 15, 32, 8280-8286, DOI: 10.1021/acs.jpclett.4c01694

31

From Networked to Isolated: Observing Water Hydrogen Bonds in Concentrated Electrolytes with Two-Dimensional Infrared Spectroscopy

Nicholas H. C. Lewis, Bogdan Dereka, Yong Zhang, Edward J. Maginn, Andrei Tokmakoff

J. Phys. Chem. B, 2022, 126, 28, 5305-5319, DOI: 10.1021/acs.jpcb.2c03341

30

Exchange-Mediated Transport in Battery Electrolytes:
Ultrafast or Ultraslow?

Bogdan Dereka, Nicholas H. C. Lewis, Yong Zhang, Nathan T. Hahn, Jonathan H. Keim, Scott A. Snyder, Edward J. Maginn, Andrei Tokmakoff

J. Am. Chem. Soc., 2022, 144, 19, 8591-8604, DOI: 10.1021/jacs.2c00154

29

Characterization of Acetonitrile Isotopologues as
Vibrational Probes of Electrolytes

Bogdan Dereka, Nicholas H. C. Lewis, Jonathan H. Keim, Scott A. Snyder, Andrei Tokmakoff

J. Phys. Chem. B, 2022, 126, 1, 278-291, DOI: 10.1021/acs.jpcb.1c09572

28

Excited-State Symmetry Breaking:
from Fundamental Photophysics to Asymmetrical Photochemistry

Bogdan Dereka*

Book Chapter (invited), Photochemistry (RSC Specialist Periodical Reports), 2021, 49, 308-353, DOI: 10.1039/9781839165269-00308

27

Crossover from Hydrogen to Chemical Bonding

Bogdan Dereka, Qi Yu, Nicholas H. C. Lewis, William B. Carpenter, Joel M. Bowman, Andrei Tokmakoff

Science, 2021, 371, 6525, 160-164, DOI: 10.1126/science.abe1951

26

Comment on “Theoretical Insights into the Excited State Decays of a Donor–Acceptor Dyad: Is the Twisted and Rehybridized
Intramolecular Charge-Transfer State Involved?”

Bogdan Dereka*, Arnulf Rosspeintner, Denis Svechkarev, Eric Vauthey*

J. Phys. Chem. B, 2020, 124, 46, 10578-10581, DOI: 10.1021/acs.jpcb0c06526

25

Decoding the 2D IR Spectrum of the Aqueous Proton with
High-Level VSCF/VCI Calculations

William B. Carpenter, Qi Yu, John H. Hack, Bogdan Dereka, Joel M. Bowman, Andrei Tokmakoff

J. Chem. Phys., 2020, 153, 124506, DOI: 10.1063/5.0020279

24

Vibrational Probe of Aqueous Electrolytes: The Field Is Not Enough

Nicholas H. C. Lewis, Aysenur Iscen, Alanna Felts, Bogdan Dereka, George C. Schatz, Andrei Tokmakoff

J. Phys. Chem. B, 2020, 124, 32, 7013-7026, DOI: 10.1021/acs.jpcb.0c05510

23

Solvent Tuning of Photochemistry upon Excited-State Symmetry Breaking

Bogdan Dereka, Denis Svechkarev, Arnulf Rosspeintner, Alexander Aster, Markus Lunzer, Robert Liska,

Aaron M. Mohs, Eric Vauthey

Nature Communications, 2020, 11, 1925, DOI: 10.1038/s41467-020-15681-3

22

Signatures of Ion Pairing and Aggregation in the Vibrational Spectroscopy of Super-Concentrated Aqueous Lithium Bistriflimide Solutions

Nicholas H. C. Lewis, Yong Zhang, Bogdan Dereka, Emily V. Carino, Edward J. Maginn, Andrei Tokmakoff

J. Phys. Chem. C, 2020, 124, 6, 3470-3481, DOI: 10.1021/acs.jpcc.9b10477

21

Broadband Fluorescence Reveals Mechanistic Differences in
Excited-State Proton Transfer to Protic and Aprotic Solvents

Pragya Verma, Arnulf Rosspeintner, Bogdan Dereka, Eric Vauthey, Tatu Kumpulainen

Chem. Sci., 2020, 11, 7963-7971, DOI: 10.1039/D0SC03316B

20

Halogen-Bond Assisted Photoinduced Electron Transfer

Bogdan Dereka, Ina Fureraj, Arnulf Rosspeintner, Eric Vauthey

Molecules, 2019, 24(23), 4361, DOI: 10.3390/molecules24234361

19

Ground-State Structural Disorder and Excited-State Symmetry Breaking
in a Quadrupolar Molecule

Magnus Söderberg, Bogdan Dereka, Assunta Marrocchi, Benedetta Carlotti, Eric Vauthey

J. Phys. Chem. Lett., 2019, 10, 11, 2944-2948, DOI: 10.1021/acs.jpclett.9b01024

18

Transient Glass Formation around a Quadrupolar Photoexcited Dye in a Strongly H-Bonding Liquid Observed by Transient 2D-IR Spectroscopy

Bogdan Dereka, Jan Helbing, Eric Vauthey

Angew. Chem. Int. Ed., 2018, 57, 52, 17014-17018, DOI: 10.1002/anie.201808324

Angew. Chem., 2018,  130, 52, 15853-15857, DOI: 10.1002/ange.201808324

17

Cyclopeptidic Photosensitizer Prodrugs as Proteolytically Triggered Drug Delivery Systems of Pheophorbide A:
Part II – Co-loading of Pheophorbide A and Black Hole Quencher

Jordan Bouilloux, Oleksandr Yuschenko, Bogdan Dereka, Gianluca Boso, Andréj Babič, Hugo Zbinden,

Eric Vauthey, Norbert Lange

Photochem. Photobiol. Sci., 2018, 17, 1739-1748, DOI: 10.1039/c8pp00318a

16

Cyclopeptidic Photosensitizer Prodrugs as Proteolytically Triggered Drug Delivery Systems of Pheophorbide A: Part I – Self-Quenched Prodrugs

Jordan Bouilloux, Oleksandr Yuschenko, Bogdan Dereka, Gianluca Boso, Hugo Zbinden, Eric Vauthey,

Andréj Babič, Norbert Lange

Photochem. Photobiol. Sci., 2018, 17, 1728-1738, DOI: 10.1039/c8pp00317c

15

Influence of the Hydrogen-Bond Interactions on the Excited-State Dynamics of a Push-Pull Azobenzene Dye: the Case of Methyl Orange

Christoph Nançoz, Giuseppe Licari, Joseph S. Beckwith, Magnus Söderberg, Bogdan Dereka, Oleksandr Yushchenko, Romain Letrun, Sabine Richert, Bernhard Lang, Eric Vauthey

Phys. Chem. Chem. Phys., 2018, 20, 7254-7264, DOI: 10.1039/c7cp08390d

14

Excited-State Symmetry Breaking in a Quadrupolar Molecule Visualized
in Time and Space

Bogdan Dereka, Arnulf Rosspeintner, Rafał Stężycki, Cyril Ruckebusch, Daniel T. Gryko, Eric Vauthey

J. Phys. Chem. Lett., 2017, 8, 24, 6029-6034, DOI: 10.1021/acs.jpclett.7b02944

13

Direct Observation of a Photochemical Alkyne-Allene Reaction and of a Twisted and Rehybridized Intramolecular Charge-Transfer State
in a Donor-Acceptor Dyad

Bogdan Dereka, Denis Svechkarev, Arnulf Rosspeintner, Maximilian Tromayer, Robert Liska, Aaron M. Mohs, Eric Vauthey

J. Am. Chem. Soc., 2017, 139,  24, 16885-16893, DOI: 10.1021/jacs.7b09591

ACS Active Slides Video Presentation (October 2017)

12

Influence of Solvent Relaxation on
Ultrafast Excited-State Proton Transfer to Solvent

Tatu Kumpulainen, Arnulf Rosspeintner, Bogdan Dereka, Eric Vauthey

J. Phys. Chem. Lett., 2017, 8,  18, 4516-4521, DOI: 10.1021/acs.jpclett.7b01956

11

Solute-Solvent Interactions and Excited-State Symmetry Breaking:
Beyond the Dipole-Dipole and Hydrogen-Bond Interactions

Bogdan Dereka, Eric Vauthey

J. Phys. Chem. Lett., 2017, 8,  16, 3927-3932, DOI: 10.1021/acs.jpclett.7b01821

10

Direct Local Solvent Probing by Transient Infrared Spectroscopy Reveals the Mechanism of Hydrogen-Bond Induced Nonradiative Deactivation

Bogdan Dereka, Eric Vauthey

Chem. Sci., 2017, 8,  5057-5066, DOI: 10.1039/c7sc00437k

9

A Simple Model of Solvent-Induced Symmetry-Breaking Charge Transfer
in Excited Quadrupolar Molecules

Anatoly I. Ivanov, Bogdan Dereka, Eric Vauthey

J. Chem. Phys., 2017, 146,  164306, DOI: 10.1063/1.4982067

8

Looking at Photoinduced Charge Transfer Processes in the IR:
Answers to Several Long-Standing Questions

Bogdan Dereka, Marius Koch, Eric Vauthey

Acc. Chem. Res., 2017, 50,  2, 426-434, DOI: 10.1021/acs.accounts.6b00538

7

Ultrafast Transient IR Spectroscopy and DFT Calculations of
Ruthenium(II) Polypyridyl Complexes

Qinchao Sun, Bogdan Dereka, Eric Vauthey, Latévi M. Lawson Daku, Andreas Hauser

Chem. Sci., 2017, 8,  223-230, DOI: 10.1039/c6sc01220e

6

Symmetry-Breaking Charge Transfer and Hydrogen Bonding:
Toward Asymmetrical Photochemistry

Bogdan Dereka, Arnulf Rosspeintner, Maciej Krzeszewski, Daniel T. Gryko, Eric Vauthey

Angew. Chem. Int. Ed., 2016,  55, 50, 15624-15628, DOI: 10.1002/anie.201608567

Angew. Chem., 2016,  128, 50, 15853-15857, DOI: 10.1002/ange.201608567

5

Direct Visualization of Excited-State Symmetry Breaking
Using Ultrafast Time-Resolved Infrared Spectroscopy

Bogdan Dereka, Arnulf Rosspeintner, Zhiquan Li, Robert Liska, Eric Vauthey

J. Am. Chem. Soc., 2016,  138, 13, 4643-4649, DOI: 10.1021/jacs.6b01362

ACS Active Slides Video Presentation (March 2016)

4

Excited-State Dynamics of 3-Hydroxyflavone Anion in Alcohols

Bogdan Dereka, Romain Letrun, Denis Svechkarev, Arnulf Rosspeintner, Eric Vauthey

J. Phys. Chem. B, 2015,  119, 6, 2434-2443, DOI: 10.1021/jp507311n

3

Facile Ultrasensitive Monitoring of Mercury Ions in Water by
Fluorescent Ratiometric Detection

Bogdan Dereka, Denis Svechkarev, Andrey O. Doroshenko

Cent. Eur. J. Chem., 2013,  11, 584-593, DOI: 10.2478/s11532-012-0193-0

2

Mercury Ions Complexation with a Series of Heterocyclic Derivatives of 3-Hydroxychromone: Spectral Effects and Prospects
for Ultrasensitive Hg2+ Probing

Denis Svechkarev, Bogdan Dereka, Andrey Doroshenko

J. Phys. Chem. A, 2011,  115, 17, 4223-4230, DOI: 10.1021/jp110974n

1

Nature of Dual Fluorescence in 2-(Quinolin-2-yl)-3-Hydroxychromone: Tuning between Concurrent H-bond Directions and ESIPT Pathways

Denis Svechkarev, Andrey Doroshenko, Vyacheslav Baumer, Bogdan Dereka

J. Lumin., 2011,  131, 2, 253-261, DOI: 10.1016/j.jlumin.2010.10.007