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8107

SYNTHESIS, CHARACTERIZATION AND DFT CALCULATIONS OF SCHIFF-BASE VANADIUM(V) COMPLEXES DERIVED FROM SALICYLDEHYDE WITH 1,2-DIAMINOPROPANE OR 2-PICOLYLAMINE

Article

Last updated: 22 Jan 2023

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Chemistry

Abstract

Two ligands were derived from two sciff-bases of salicylaldehyde with 1,2-diaminopropane, Sal-DAP (L1) and salicylsaldehyde with 2-picolyamine, Sal-PA (L2) and their novel dioxovanadium complexes were synthesized. The complexes C1, [VO2(Sal-DAP)] and C2, [VO2(Sal-PA)] are characterized by conductivity measurements, magnetic susceptibility, UV-Vis, IR, thermal analysis, 1H- and 13C-NMR.The molecular structure of the complexes C1 and C2 were confirmed using the DFT calculation to obtain the optimized geometries using the Gaussian09 program at the B3LYP/LANL2DZ level of theory. The vanadium atoms in the two complexes were coordinated in distorted trigonal bipyramidal geometries with L1 acting as a tridentate ligand through nitrogen atoms and one deprotonated phenol oxygen atom leaving the other phenol group free, and L2 acting as a tridentate ligand through nitrogen atoms and deprotonated phenol oxygen atom.

DOI

10.21608/absb.2017.8107

Keywords

Schiffbase, Vanadium(v), DFT calculations, Salicyldehyde, 1,2-diaminopropane 2-picolyamine

Authors

First Name

Enas

Last Name

Dafallah

MiddleName

S.

Affiliation

Department of Chemistry, Faculty of Science, Sudan University of science and technology

Email

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City

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Orcid

-

First Name

Hassan

Last Name

Nimir

MiddleName

I.

Affiliation

Department of Chemistry & Earth Sciences, Qatar University, P.O. Box 2713, Doha, state of Qatar

Email

hnimir@qu.edu.qa

City

-

Orcid

-

First Name

Elmugdad

Last Name

Ali

MiddleName

A.

Affiliation

Department of Chemistry, Faculty of Science, Sudan University of science and technology, Sudan

Email

-

City

-

Orcid

-

First Name

Mohamed

Last Name

Shehata

MiddleName

R.

Affiliation

Department of Chemistry, Faculty of Science, University of Cairo, Giza, Egypt

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-

City

-

Orcid

-

Volume

28

Article Issue

Issue 1-A

Related Issue

1584

Issue Date

2017-06-01

Receive Date

2017-02-17

Publish Date

2017-06-15

Page Start

21

Page End

30

Print ISSN

1110-2535

Online ISSN

2636-3305

Article File

ABSB_Volume 28_Issue Issue 1-A_Pages 21-30.pdf

PDF . 1.1MB

Link

https://absb.journals.ekb.eg/article_8107.html

Detail API

https://absb.journals.ekb.eg/service?article_code=8107

Order

3

Type

Original Article

Type Code

520

Publication Type

Journal

Publication Title

Al-Azhar Bulletin of Science

Publication Link

https://absb.journals.ekb.eg/

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Article

Created At

22 Jan 2023