Graphical Contents Graphical Contents / European Journal of Chemistry 16 (3) (2025) iii-vi European Journal of Chemistry ISSN 2153-2249 (Print) / ISSN 2153-2257 (Online) – Copyright © 2025 Atlanta Publishing House LLC – Printed in the USA. This work is published and licensed by Atlanta Publishing House LLC – CC BY NC – Some Rights Reserved. https://dx.doi.org/10.5155/eurjchem.16.3.iii-vi.2716 European Journal of Chemistry A n I n t e r n a t i o n a l O p e n A c c e s s J o u r n a l Graphical Contents Volume 16, Issue 3, 30 September 2025 European Journal of Chemistry 16 (3) (2025) 233-241 Structural and surface properties of polyvinylpyrrolidone and aloe vera - capped iron oxide nanoparticles: Application in the photocatalytic degradation of methylene blue Réné Njiké, Adrien Pamen Yepseu, Cyrille Ghislain Fotsop, Giscard Doungmo, Katia Nono Nchimi and Peter Teke Ndifon European Journal of Chemistry 16 (3) (2025) 242-250 Exploring flavone reactivity: A quantum mechanical study and TD-DFT benchmark on UV-vis spectroscopy Manjeet Bhatia European Journal of Chemistry 16 (3) (2025) 251-258 Synthesis and crystal structure of [HexNH3]2[HC2O4]2·H2O: A novel hydrogen oxalate hydrate organic salt showing antimicrobial activity against Streptomyces Mamadou Ba, Waly Diallo, Alhousseynou Sarr, Bocar Traoré, Daouda Ndoye, Nalla Mbaye, Mamadou Sidibé, Laurent Plasseraud and Hélène Cattey https://dx.doi.org/10.5155/eurjchem.16.3.iii-vi.2716 iv Graphical Contents / European Journal of Chemistry 16 (3) (2025) iii-vi 2025 – European Journal of Chemistry – CC BY NC – DOI: 10.5155/eurjchem.16.3.iii-vi.2716 European Journal of Chemistry 16 (3) (2025) 259-266 Health risk assessment of heavy metals in sediment, shrimp (Parapenaeopsis atlantica), and periwinkles (Tympanotonus fuscatus) from Esuk Ibeno Beach, Akwa Ibom State, Nigeria Akanimo Dianabasi Akpan, Patience Okon Asuquo and Bassey Sam-Uket Okori European Journal of Chemistry 16 (3) (2025) 267-274 Effects of solvents on the aromaticity and thermodynamic properties of azacalix[2]arene[2]pyrimidines: A computational study Alihan Tosun and Fatma Kandemirli European Journal of Chemistry 16 (3) (2025) 275-286 Crystal structures, computational studies, and Hirshfeld surface analysis on 7-hydroxy-4-methyl-2H-chromen-2-one and 7-hydroxy-4-methyl-8-nitro-2H-chromen-2-one Felix Odame, Nathaniel Owusu Boadi, Salifu Nanga, Albert Aniagyei and Eric Hosten European Journal of Chemistry 16 (3) (2025) 287-291 Local structure and optical absorption of Mn2+ doped Cs2SO4 single crystals Maroj Bharati, Vikram Singh and Ram Kripal -350 -250 -150 -50 50 150 250 350 200 300 400 500 600 700 800 900 1000 Th er m od yn am ic p ro pe rti es Temperature, oC C S H G Graphical Contents / European Journal of Chemistry 16 (3) (2025) iii-vi v 2025 – European Journal of Chemistry – CC BY NC – DOI: 10.5155/eurjchem.16.3.iii-vi.2716 European Journal of Chemistry 16 (3) (2025) 292-301 Comprehensive DFT analysis of BeHfO3 perovskite: Exploring the structure, mechanical, thermodynamic, and optic properties Md Al Masud, Md Rajib Munshi, Tanvir Chowdhury, Mita Chakraborty and Rakibul Islam European Journal of Chemistry 16 (3) (2025) 302-310 New green HPLC and TLC methods for the determination of dapagliflozin, metformin hydrochloride, and its two official impurities, melamine and cyanoguanidine, in their quaternary mixture Nashwa Ahmed Ibrahim, Eglal Abdelhamid Abd El Aleem, Walaa Gamal Abuelazem and Nessreen Salah Abdelhamid European Journal of Chemistry 16 (3) (2025) 311-318 Crystallographic and Hirshfeld surface analysis of 10-(4-chlorophenyldiazenyl)-3-(3-chlorophenyl)-1-methyl-3,5a,6,11b- tetrahydro-5H-benzopyrano[4',3'-4,5]pyrano[2,3-c]pyrazole Vivek Kumar Gupta, Naresh Sharma, Archna Sharma, Shashikant Bhikhubhai Teraiya, Narsidas Jeramdas Parmar and Deepak Sharma European Journal of Chemistry 16 (3) (2025) 319-326 Synthesis and characterization of 2-formylthymol-based azo-aldehyde dyes: Probing their efficacy as a radical scavenger in antioxidant applications Kishor Jaysing Girase, Santosh Venkatrao Dandge, Mangal Arun Chaudhari and Ratnamala Subhash Bendre OH H O NH2 R NaNO2/HCl 0 - 5 oC N2Cl R N2Cl R + NaOH, C2H5OH OH H O N N R R = Cl, Br, F, CF3, CH3 0 - 5 oC vi Graphical Contents / European Journal of Chemistry 16 (3) (2025) iii-vi 2025 – European Journal of Chemistry – CC BY NC – DOI: 10.5155/eurjchem.16.3.iii-vi.2716 European Journal of Chemistry 16 (3) (2025) 327-330 Ibuprofen, a household pharmaceutical belonging to the racemic mimic class-chirality, diastereochemical details, packing and overlay of the pair within the (S)(+) crystals Ivan Bernal and Roger Lalancette PrintField10: PrintField11: PrintField12: PrintField13: PrintField20: PrintField21: PrintField22: PrintField23: