Contact

Phone: 470-578-2650

Email: mstollen@kennesaw.edu

Office Location: SC 427

Office Hours:
by appointment only

Research Group

Postdoctoral Researchers

Dr. Sanjay Dutta (since 07/2023)

Sanjay-Webversion

Sanjay graduated from Indian Institute of Technology Guwahati, India, in 2014 (M. Sc., Master of Science in Chemistry) and earned his doctoral degree in the field of materials sciences (organic electronic materials and X-ray crystallography) with Prof. Parthapratim Munshi at Shiv Nadar University, India, in 2021. After a short stay as a Senior Research Associate in the same group, he moved to the US in 2022 to join Prof. Caleb D. Martin’s research group at Baylor University, Texas, as a postdoctoral fellow in boron chemistry and X-ray crystallography. In July 2023, Sanjay accepted a position in the Stollenz group as Postdoctoral Researcher and Crystallographic Facility Manager of our new Bruker Venture dual-source single-crystal diffractometer. He is interested and trained in various fields of crystallography, organic and inorganic synthesis, materials, and computational chemistry.

Publications Dr. Sanjay Dutta (before KSU)
1) S. Dutta, Vikas, T. Vijayakanth, P. Munshi*:
Ferroelectricity and Uniaxial Negative Thermal Expansion in a Purely Organic Multifunctional Material
ACS Appl. Electron. Mater. 2021, 3, 3633–3640 [Link].

2) S. Dutta, P. Munshi*:
Unusual Anisotropic Thermal Expansions with Reversible Axial Switching and Record-Wide Thermal Hysteresis in Single-Component Purely Organic Molecular Crystals 
J. Phys. Chem. C. 2020, 124, 27413–27421 [Link].

3) S. Dutta, Vikas, A. Yadav, R. Boomishankar, A. Bala, V. Kumar, T. Chakraborty, S. Elizabeth, P. Munshi*:
Record-high thermal stability achieved in a novel single-component all-organicferroelectric crystal exhibiting polymorphism
Chem. Commun. 2019, 55, 9610–9613 [Link] (& Inside Front Cover [Link]).

4) K. K. Jha, S. Dutta, P. Munshi*:
Concomitance, Reversibility, and Switching Ability of Centrosymmetric and Non-Centrosymmetric Crystal Forms: Polymorphism in an Organic Nonlinear Optical Material
Cryst. Growth Des. 2018, 18, 1126–1135 [Link].

5) K. K. Jha, S. Dutta, S. Sar, S. Sen, P. Munshi*:
Harnessing Sun for Catalyst and Sensitizer Free Regio- and Stereo-selective [2+2] Cycloaddition
Tetrahedron 2018, 74, 7326–7334 [Link].

6) S. Dutta, A. Menon, P. Munshi*:
Exploring ferroelectricity in organic salts or co-crystals
Acta Crystallogr. A 2017, A70, C726 [Link].

7) V. Kumar, R. Thaimattam, S. Dutta, P. Munshi, A. Ramanan*:
Structural landscape of multicomponent solids based on sulfa drugs 
CrystEngComm 2017, 19, 2914–2924 [Link].

8) P. K. Dutta, A. Majumder, S. Dutta, B. B. Dhar, P. Munshi, S. Sen*:
Solvent free, palladium catalyzed highly facile synthesis of diaryl disulfides from aryl thiols
Tetrahedron Lett. 2017, 58, 527–530 [Link].

9) S. Sahu, S. Dutta, G. Krishnamoorthy*:
An unusual deprotonation trend in 2-(2′hydroxyphenyl) pyridoimidazoles 
Phys. Chem. Chem. Phys. 2016, 18, 29905–29913 [Link].

10) S. Hati, P. K. Dutta, S. Dutta, P. Munshi, S. Sen*:
Accessing Benzimidazoles via a Ring Distortion Strategy: An Oxone Mediated Tandem Reaction of 2‑Aminobenzylamines
Org. Lett. 2016, 18, 3090–3093 [Link].

11) K. K. Jha, S. Dutta, V. Kumar and P. Munshi*:
Isostructural polymorphs: qualitative insights from energy frameworks 
CrystEngComm 2016, 18, 8497–8505 [Link].

12) N. Ghosh, R. Mondal, A. Deshmukh, S. Dutta, S. Mukherjee*:
Weak interactive forces govern the interaction between a non-ionic surfactant with human serum albumin
Chem. Phys. Lett. 2015, 634, 77–82 [Link].

Presentations Dr. Sanjay Dutta (before KSU)
(presenters underlined):
 
1) FerroSchool Winter 2022, December 5–9 (2022) in Calgary, Alberta, Canada:
S. Dutta, Caleb D Martin:
Potential Organoboron Adducts for Phase Transition, Ferroelectric and Piezoelectric Applications (poster presentation)
 
2) 25th Congress and General Assembly of the International Union of Crystallography (IUCr), August 14–22 (2021) in Prague, Czech Republic:
S. Dutta, Parthapratim Munshi:
Thermo-responsive single-component organic materials: Iso-symmetric phase transition, polymorphism and negative thermal expansion (poster presentation)
 
3) 16th Conference of Asian Crystallographic Association, December 17–20 (2019) at U-town National University of Singapore, Singapore:
S. Dutta:
Competition between Positive and Negative Axial Thermal Expansion in an All-Organic Molecular Crystal Exhibiting Polymorphism and Single-Crystal to Single-Crystal Phase Transitions (oral presentation)
 
4) 46th National Seminar on Crystallography, June 27–29 (2018) at the National Institute of Mental Health and Neurosciences (NIMHANS) in Bengaluru, India:
S. Dutta, Parthapratim Munshi:
Single-crystal to single-crystal phase transition and isostructural polymorphism in a potential organic ferroelectric material (poster presentation)
 
5) MSSC2017 - Ab initio Modelling in Solid State Chemistry, September 18–22 (2017) at Imperial College London in London, United Kingdom:
S. Dutta, Vikas, Parthapratim Munshi:
Ferroelectricity in organic materials: case of imidazole derivative (poster presentation)
 
6) 24th Congress and General Assembly of the International Union of Crystallography (IUCr), August 21–28 (2017) in Hyderabad, India:
S. Dutta, Anindya Menon, Vikas and Parthapratim Munshi:
Exploring Ferroelectricity in Organic Materials (Poster presentation)
 
7) Royal Society of Chemistry (RSC) Workshop on Recent Advances in Chemistry and Biology, December 15 (2016) at Shiv Nadar University, Tehsil Dadri, Uttar Pradesh, India

Dr. Tomasz Kruczyński (since 01/2023)

 Tomasz-Webversion
 
Tomasz graduated from Gdańsk University of Technology, Poland, in 2009 (magister inżynier (mgr), equivalent to MEng, Master of Engineering in Chemical Technology) and earned his doctoral degree in the field of inorganic synthesis (highly sensitive magnesium cluster chemistry) with Prof. Hansgeorg Schnöckel at Karlsruhe Institute of Technology (KIT), Germany, in 2015. After working in industry, Tomasz continued to pursue an academic career and moved to the U.S. to join the Stollenz Group as full-time postdoctoral research scientist in inorganic/synthetic chemistry. He is interested and trained in various fields of inorganic synthesis, coordination chemistry, crystallography, and computational chemistry.
Publications Dr. Tomasz Kruczyński (before KSU)
1) J. Arras, T. Kruczynski, J. Bresien, A. Schulz, H. Schnöckel*:
Magnesium(I) Halide versus Magnesium Metal: Differences in Reaction Energy and Reactivity Monitored in Reduction Processes of P−Cl Bonds
Angew. Chem. 2019, 131, 726–731 (& Frontspiece).
Angew. Chem. Int. Ed. 2019, 58, 716–721 [Link] (& Frontspiece [Link]).

→This article was ranked as "Hot Paper".

2) Ł. Ponikiewski,* T. Kruczyński, M. Caporali, M. Peruzzini, D. Gudat, M. Walaszkowska, J. Pikies*:
Reactions of the Lithiated Diphosphine tBu2P–P(SiMe3)Li with [(η6-C6H6)RuCl2] in the Presence of Tertiary Phosphines
Eur. J. Inorg. Chem. 2016, 4241–4249 [Link].

3) T. Kruczyński, F. Henke, M. Neumaier, K. Bowen, H. Schnöckel*:
Many Mg–Mg bonds form the core of the Mg16Cp*8Br4K cluster anion: the key to a reassessment of the Grignard reagent (GR) formation process?
Chem. Sci. 2016, 7, 1543–1547 [Link].

4) A. Herman, S. Godlewska, Ł. Ponikiewski, T. Kruczyński, A. Dołȩga*:
Propeller-Like Chirality of Methyl-Tris (2,6-diisopropylphenoxy)Silylsulfide
Silicon 2016, 8, 105–110 [Link].

5) T. Kruczyński, P. Henke, T. Augenstein, N. Arleth, F. Breher,* H. Schnöckel*:
From MgBr via single-electron transfer (SET) to a paramagnetic Mg(II) compound and back to Mg(I): [MgBr(L1)]2 and [K(thf)3]2[Mg2(L1)2], L1 = RN C(Me)C(Me) NR, R = 2,6-diisopropylphenyl
Chem. Commun. 2014, 50, 15677–15680 [Link].

6) T. Kruczyński, N. Pushkarevsky, P. Henke, R. Köppe, E. Baum, S. Konchenko, J. Pikies, H. Schnöckel*:
Hunting for the Magnesium(I) Species: Formation, Structure, and Reactivity of some Donor-Free Grignard Compounds
Angew. Chem. 2012, 124, 9159–9163 (& Back Cover).
Angew. Chem. Int. Ed. 2012, 51, 9025–9029 [Link] (& Back Cover [Link]).

7) T. Kruczyński, R. Grubba, K. Baranowska, J. Pikies*:
Syntheses and structures of the first terminal phosphanylphosphido complexes of molybdenum(IV)
Polyhedron 2012, 39, 25–30 [Link].

8) T. Kruczynski, J. Pikies, Ł. Ponikiewski*:
Trichloridobis(ethyldiphenylphosphine)(tetrahydrofuran)molybdenum(III)
Acta Crystallogr. E 2010, E66, m786 [Link].

Presentations Dr. Tomasz Kruczyński (before KSU)

(presenters underlined):
 
1) XV International Seminar of PhD Students on Organometallic and Coordination Chemistry, April 5 (2014) in Świeradów-Zdrój, Poland:
T. Kruczyński, H. Schnöckel:
Magnesium(I) halides – a new route to the low-valent chemistry
 
2) 8th European Workshop on Phosphorus Chemistry, March 28 (2011) in Münster, Germany:
T. Kruczyński, R. Grubba, J. Pikies:
The route to the phosphanylphosphinidene complexes. Reactions of lithium diphosphanes with molybdenum and tungsten cyclopentadienyl complexes
(oral presentation)
 
3) 18th International Conference on Phosphorus Chemistry, July 11 (2010) in Wrocław, Poland:
T. Kruczyński, R. Grubba, K. Baranowska, J. Pikies:
New diphosphanes systems in molybdenum complexes (poster presentation)
 
4) XVIth International Winter School on Coordination Chemistry, December 8 (2008) in Karpacz-Wrocław, Poland:
Ł. Ponikiewski, T. Kruczyński, J. Pikies:
Reaction of tBu2P-P(SiMe3)Li with [π-C6H6RuCl2]2. Synthesis and structure of [{(Et3P)2Ru}P2]2 
(poster presentation)

Undergraduate Researchers

Mikail Barzev (undergraduate researcher, since 08/2023)

Mikail-Webversion

Mikail Barzev is currently an undergraduate student hailing from the small town of Hiram, Georgia. Currently immersed in the pursuit of a bachelor's degree, Mikail is driven by a passion for scientific exploration. His academic journey is centered around honing his skills, garnered and refined in the laboratory. With his future set on working in a laboratory, Mikail Barzev is on a determined path to transform his scientific enthusiasm into a meaningful career. As an undergraduate student, he's diligently acquiring the knowledge and hands-on experience necessary to excel in this endeavor.

Matt Moore (undergraduate researcher, since 06/2023)

Matt-Webversion

Matt is an Undergraduate working on a Bachelor of Science in Chemistry at KSU. He is from the city of Woodstock, GA and is pursuing a career in chemistry research. For his research, he is interested the synthetic aspects of organic chemistry and also wants to explore new and exciting chemistry branches. He is currently in Dr. Stollenz’s lab, working on synthesizing luminescent bis(amidinate) complexes. Some of his hobbies include bass fishing and cooking.

Ben Gibbas (undergraduate researcher, since 05/2022)

Ben-Webversion

Ben is an undergraduate student from Peachtree City, GA who is pursuing a Bachelor of Science in Chemistry. Ben has worked in the lab for over a year broadening potential synthetic pathways for bis(amidine) ligands by altering their backbone substituents. After graduation, Ben intends to pursue a Master’s degree in a hybrid study of inorganic and computational chemistry. Aside from academics and lab work, Ben enjoys drawing and fantasy world building.

Last update: 09/17/2023

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