Explanipedia

A Fresh Perspective on the Internal Plasticizing Effect in Non-Polymeric Glass-Formers Open

Andrzej Nowok, Hubert Hellwig, P. Kuś · 2025

The internal plasticizing effect occurs when a flexible substituent, especially one linked to a rigid moiety, lowers the glass transition temperature (T_g) of an organic compound by disrupting molecular packing and increas…

Spectroscopic and Chromatographic Characterization of Two Isomeric Cathinone Derivatives: N-Butyl-Norbutylone and N-Ethylhexylone Open

Marcin Rojkiewicz, P. Kuś, Josef Jampílek, Andrzej Bąk, Violetta Kozik · 2025

In this study, two isomeric cathinone derivatives, N-butyl-norbutylone and N-ethylhexylone, seized on the illicit drug market in Poland, were described and characterized by various instrumental analytical methods. The compounds were charac…

Revisiting Dynamic Processes and Relaxation Mechanisms in a Heterocyclic Glass-Former: Direct Observation of a Transient State Open

Andrzej Nowok, Hubert Hellwig, Mateusz Dulski, Maria Książek, Joachim Kusz , et al. · 2024

Despite decades of studies, a clear understanding of near-T_g phenomena remains challenging for glass-forming systems. This review delves into the intricate molecular dynamics of the small, heterocyclic thioether, 6…

Molecular Dynamics and Near-Tg Phenomena of Cyclic Thioethers Open

Hubert Hellwig, Andrzej Nowok, Paulina Peksa, Mateusz Dulski, Robert Musioł , et al. · 2023

This article presents the synthesis and molecular dynamics investigation of three novel cyclic thioethers: 2,3-(4′-methylbenzo)-1,4,7,10-tetrathiacyclododeca-2-ene (compound 1), 2,3,14,15-bis(4′,4″(5″)-methylbenzo)-1,4,7,10,13,16,19,22,25-…

CCDC 2249500: Experimental Crystal Structure Determination Open

Marcin Rojkiewicz, P. Kuś, Joachim Kusz, Maria Książek, Dorota Staszek · 2023

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

CCDC 2249501: Experimental Crystal Structure Determination Open

Marcin Rojkiewicz, P. Kuś, Joachim Kusz, Maria Książek, Dorota Staszek · 2023

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

Spectroscopic and Crystallographic Characterization of Two Hydrochloride Cathinones: 1-(4-fluoro-3-methylphenyl)-2-(pyrrolidin-1-yl)pentan-1-one (4-F-3-Me-α-PVP) and N-ethyl-2-amino-1-phenylheptan-1-one (N-ethylheptedrone) Open

Marcin Rojkiewicz, P. Kuś, Joachim Kusz, Maria Książek, Dorota Staszek · 2023

In this paper, two cathinone derivatives, 4F-3Me-α-PVP and N-ethylheptedrone, seized on the illegal drug market in Poland, were described and characterized by various instrumental analytical methods. The compounds were characterized by ele…

CCDC 1997564: Experimental Crystal Structure Determination Open

P. Kuś, P.G. Jones, Joachim Kusz, M. Książek · 2023

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

CCDC 2014594: Experimental Crystal Structure Determination Open

P. Kuś, P.G. Jones, Joachim Kusz, M. Książek · 2023

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

CCDC 1997565: Experimental Crystal Structure Determination Open

P. Kuś, P.G. Jones, Joachim Kusz, M. Książek · 2023

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

CCDC 2072985: Experimental Crystal Structure Determination Open

P. Kuś, P.G. Jones, Joachim Kusz, M. Książek · 2023

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

CCDC 1997563: Experimental Crystal Structure Determination Open

P. Kuś, P.G. Jones, Joachim Kusz, M. Książek · 2023

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

CCDC 1997567: Experimental Crystal Structure Determination Open

P. Kuś, P.G. Jones, Joachim Kusz, M. Książek · 2023

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

CCDC 1997566: Experimental Crystal Structure Determination Open

P. Kuś, P.G. Jones, Joachim Kusz, M. Książek · 2023

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

CCDC 2043250: Experimental Crystal Structure Determination Open

P. Kuś, P.G. Jones, Joachim Kusz, M. Książek · 2023

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

CCDC 2072986: Experimental Crystal Structure Determination Open

P. Kuś, P.G. Jones, Joachim Kusz, M. Książek · 2023

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

CCDC 2144108: Experimental Crystal Structure Determination Open

Natalina Makieieva, Teobald Kupka, Grzegorz Spaleniak, Oimahmad Rahmonov, Agata Marek , et al. · 2022

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

Experimental and theoretical characterization of chelidonic acid structure Open

Natalina Makieieva, Teobald Kupka, Grzegorz Spaleniak, Oimahmad Rahmonov, Agata Marek , et al. · 2022

Chelidonic acid (4-oxo-4H-pyran-2,6-dicarboxylic acid) is present in plants of Papaveraceae family, especially in Chelidonium majus . Due to its anticancer, antibacterial, hepatoprotective, and antioxidant properties, it has been used in m…

CCDC 2041927: Experimental Crystal Structure Determination Open

Marcin Rojkiewicz, P. Kuś, Maria Książek, Joachim Kusz · 2021

CCDC 2041925: Experimental Crystal Structure Determination Open

Marcin Rojkiewicz, P. Kuś, M. Książek, Joachim Kusz · 2021

CCDC 2041926: Experimental Crystal Structure Determination Open

Marcin Rojkiewicz, P. Kuś, Maria Książek, Joachim Kusz · 2021

CCDC 1548700: Experimental Crystal Structure Determination Open

P. Kuś, Joachim Kusz, Maria Książek, Ewelina Pieprzyca, Marcin Rojkiewicz · 2021

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

CCDC 1548699: Experimental Crystal Structure Determination Open

P. Kuś, Joachim Kusz, Maria Książek, Ewelina Pieprzyca, Marcin Rojkiewicz · 2021

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

Frontmatter Open

Thomas Lindel, Gerhard Müller, Rainer Pöttgen, Hubert Schmidbaur, René Wilhelm , et al. · 2021

pp. 275-280, this issue). This constitutes the fi rst high-resolution 14 N MAS NMR spectrum collected from a paramagnetic solid material.Quite remarkably, no paramagnetic 14 N NMR shift is observed for CeTiO 2 N with respect to LaTiO 2 N a…

CCDC 1816307: Experimental Crystal Structure Determination Open

P. Kuś, Hubert Hellwig, Joachim Kusz, Maria Książek, Marcin Rojkiewicz , et al. · 2021

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

CCDC 1819495: Experimental Crystal Structure Determination Open

P. Kuś, Hubert Hellwig, Joachim Kusz, Maria Książek, Marcin Rojkiewicz , et al. · 2021

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

CCDC 1816306: Experimental Crystal Structure Determination Open

P. Kuś, Hubert Hellwig, Joachim Kusz, Maria Książek, Marcin Rojkiewicz , et al. · 2021

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

CCDC 1905621: Experimental Crystal Structure Determination Open

P. Kuś, Marcin Rojkiewicz, Joachim Kusz, Maria Książek, Aleksander Sochanik · 2020

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

CCDC 1905624: Experimental Crystal Structure Determination Open

P. Kuś, Marcin Rojkiewicz, Joachim Kusz, Maria Książek, Aleksander Sochanik · 2020

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

CCDC 1905622: Experimental Crystal Structure Determination Open

P. Kuś, Marcin Rojkiewicz, Joachim Kusz, Maria Książek, Aleksander Sochanik · 2020

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …

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