Universität zu Köln

Garci, Fatma, Klein, Axel, Chebbi, Hammouda and Zid, Mohamed Faouzi (2022). Crystal Structure, Spectroscopic Characterization, and Optical Properties of the Hybrid Compound (C7H11N2)(2)[CdCl4]center dot 0.5H(2)O. Chin. J. Inorg. Chem., 38 (9). S. 1834 - 1843. BEIJING: CHINESE CHEMICAL SOC. ISSN 1001-4861

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Abstract

A preparation procedure for the title compound (C7H11N2)(2)[CdCl4]center dot 0.5H(2)O (C7H11N2=4-(dimethylamino) pyridinium) was developed and gave good yields and purity. The Cd(II) ion is coordinated in a slightly distorted tetrahedral environment by four chlorides. The crystal arrangement shows a layered structure with alternating organic and inorganic layers parallel to the (001) plane and located at x=n+1/2 (n is an element of Z). In the crystal, the organic and inorganic layers are linked by C-H center dot center dot center dot Cl, C-H center dot center dot center dot O, N-H center dot center dot center dot Cl and N-H center dot center dot center dot O hydrogen bonding interactions. Hirshfeld surface analysis and fingerprint plots of the structure reveal that molecular packing is governed by hydrogen bonds and pi-stacking. The UV-Vis diffuse reflectance spectrum allowed us to determine a direct band gap of 3.596 eV with a semiconducting character, using the Tauc-extrapolation method. The observed photoluminescence band with a maximum at 562 nm is assigned to excited pi-pi* states in the 4-(dimethylamino)pyridinium cation. CCDC: 2136319.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Garci, Fatma UNSPECIFIED UNSPECIFIED UNSPECIFIED Klein, Axel UNSPECIFIED UNSPECIFIED UNSPECIFIED Chebbi, Hammouda UNSPECIFIED UNSPECIFIED UNSPECIFIED Zid, Mohamed Faouzi UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-675324
DOI:	10.11862/CJIC.2022.183
Journal or Publication Title:	Chin. J. Inorg. Chem.
Volume:	38
Number:	9
Page Range:	S. 1834 - 1843
Date:	2022
Publisher:	CHINESE CHEMICAL SOC
Place of Publication:	BEIJING
ISSN:	1001-4861
Language:	Chinese
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language HIRSHFELD SURFACE-ANALYSIS; INTERMOLECULAR INTERACTIONS; THIN-FILM; 4-DIMETHYLAMINOPYRIDINE; FLUORESCENCE Multiple languages Chemistry, Inorganic & Nuclear Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/67532