Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Łukasz Hetmańczyk"'
Autor:
Łukasz Hetmańczyk, Eugene A. Goremychkin, Janusz Waliszewski, Mikhail V. Vener, Paweł Lipkowski, Peter M. Tolstoy, Aleksander Filarowski
Publikováno v:
Molecules, Vol 26, Iss 16, p 5043 (2021)
The ortho-hydroxy aryl Schiff base 2-[(E)-(phenylimino)methyl]phenol and its deutero-derivative have been studied by the inelastic incoherent neutron scattering (IINS), infrared (IR) and Raman experimental methods, as well as by Density Functional Th
Externí odkaz:
https://doaj.org/article/175418d543cd43688f95e75dc83b7d0a
Autor:
Łukasz Hetmańczyk, Przemysław Szklarz, Agnieszka Kwocz, Maria Wierzejewska, Magdalena Pagacz-Kostrzewa, Mikhail Ya. Melnikov, Peter M. Tolstoy, Aleksander Filarowski
Publikováno v:
Molecules, Vol 26, Iss 11, p 3109 (2021)
Conformational and polymorphic states in the nitro-derivative of o-hydroxy acetophenone have been studied by experimental and theoretical methods. The potential energy curves for the rotation of the nitro group and isomerization of the hydroxyl group
Externí odkaz:
https://doaj.org/article/20caac61bbc34402880f2e5a0be13b96
Publikováno v:
Journal of Raman Spectroscopy. 54:434-445
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::548f1d138ebf12ee34ea0bbbca583d47
https://doi.org/10.1002/jrs.6496
https://doi.org/10.1002/jrs.6496
Two novel organic–inorganic hybrid crystals (C3H8N)2[KCr(CN)6] (AZECr) and (C3H8N)2[KFe(CN)6] (AZEFe) were synthesized and characterized.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::985bb98b0aaf3ab8a058b2a15069ce62
https://ruj.uj.edu.pl/xmlui/handle/item/299715
https://ruj.uj.edu.pl/xmlui/handle/item/299715
Autor:
Siarhei Zavatski, Hanna Bandarenka, Łukasz Hetmańczyk, Joanna Hetmańczyk, Maria Vorobyeva, Yersultan Arynbek, Kahramon Mamatkulov, Grigory Arzumanyan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b4140386dc6524030b161656c4438b4
https://ruj.uj.edu.pl/xmlui/handle/item/304139
https://ruj.uj.edu.pl/xmlui/handle/item/304139
Autor:
Aleksander Filarowski, J. Waliszewski, Eugene Goremychkin, Paweł Lipkowski, Mikhail V. Vener, Peter M. Tolstoy, Łukasz Hetmańczyk
Publikováno v:
Molecules
Volume 26
Issue 16
Molecules, Vol 26, Iss 5043, p 5043 (2021)
Volume 26
Issue 16
Molecules, Vol 26, Iss 5043, p 5043 (2021)
The ortho-hydroxy aryl Schiff base 2-[(E)-(phenylimino)methyl]phenol and its deutero-derivative have been studied by the inelastic incoherent neutron scattering (IINS), infrared (IR) and Raman experimental methods, as well as by Density Functional Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7ce57f693af813c7c02edc30abff6191
Autor:
Jan K. Maurin, Joanna Hetmańczyk, Damian Trzybiński, J. Nowicka-Scheibe, Andrzej Pawlukojć, Krzysztof Woźniak, Łukasz Hetmańczyk, Wojciech Schilf
In the present paper the structural and dynamical properties of crystalline 2,6–dimethylpyrazine - picric acid cocrystal are described. The title cocrystal crystallizes in centrosymmetric monoclinic P21/c space group. The X-ray diffraction and NMR
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::826dc70d2b62005df277ef6723815ec2
https://ruj.uj.edu.pl/xmlui/handle/item/266601
https://ruj.uj.edu.pl/xmlui/handle/item/266601
Autor:
Aneta Jezierska, Paweł Lipkowski, Jarosław J. Panek, Łukasz Hetmańczyk, Andrzej Pawlukojć, Agnieszka Kwocz, Aleksander Filarowski, Andrzej Kochel
Publikováno v:
New Journal of Chemistry. 42:19467-19477
The paper dwells on the synthesis and diverse studies of cyclically arranged hydrogen bridges in tris-hydroxy aryl Schiff bases. Experimental (IINS, IR, Raman and X-ray) and theoretical (CPMD, DFPT and DFT) studies of tris-hydroxy aryl Schiff bases h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d2ded9d068a56453392659061cda4a83
https://doi.org/10.1039/c8nj04339f
https://doi.org/10.1039/c8nj04339f
Autor:
Joanna Hetmańczyk, Łukasz Hetmańczyk
Publikováno v:
Journal of Physics and Chemistry of Solids. 101:34-44
Phase transition, reorientational dynamics of NH 3 ligands and ClO 4 − anions and crystal structure changes were investigated using x-ray powder diffraction (XRPD), neutron powder diffraction (NPD), quasi-elastic neutron scattering (QENS) and Fouri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c9fe44d8b50f6703dce508755b4774ab
https://doi.org/10.1016/j.jpcs.2016.10.006
https://doi.org/10.1016/j.jpcs.2016.10.006
One, low-temperature phase transition (PT) was detected for [Ba(H2O)3](ReO4)2⋅H2O, in the temperature range of 135–295 K by means of differential scanning calorimetry (DSC). The mean value of the PT temperature is T C h = 275.0 K (onset on heatin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a7631d20ed3f4f7947cce3c998c3704
https://ruj.uj.edu.pl/xmlui/handle/item/85695
https://ruj.uj.edu.pl/xmlui/handle/item/85695