Under mode of ultrasonic vibration, the neutral octahedral mononuclear [trans-CuBr2(N ∩ N)2]·3H2O complex
with N ∩ N=2,2-dimethylpropane-1,3-diamine was obtained. The structure of the desired complex was characterized
by UV–Vis. spectroscopy, FT-IR, EDX, MS, SEM, TG/DTA and CHN-analysis. The octahedral-structure
of the desired Cu(II) complex was proven via XRD single-crystal diffraction and its molecular interactions were
computed by Hirschfeld surface analysis. Alcohol (as solvent) and short ultrasonic vibration dose period played a
critical role in sonochemistry synthesis of octahedral neutral trans-CuBr2(N ∩ N)2 complex instead of trigonal bipyramidal
monocation [CuBr(N ∩ N)2]Br one. Due to the Jahn-Teller effect, the complex exhibited a trans bonds
elongation along Br-Cu-Br axis originating a distorted-octahedral Cu(II), as revealed by the XRD measurements
(Br-Cu=3.04 Å). Therefore, the Solvatochromic behavior of the complex was successfully performed since the
trans di-bromide ions are loosely coordinated to Cu(II) center, the change in complex solutions colors by using
different solvents which can be detected even by naked-eye supported atypical Jahn-Teller elongation effect
formation.
TG/DTA and Flynn Wall Ozawa (FWO) isoconversional kinetic methods were applied for the complex to
figure out the thermal behavior, kinetic of the ligands de-structured and estimate its Ea/α relation. The complex
binding mode to the CT-DNA was examined by UV–vis. spectroscopic, melting curve, CV and viscosity tests. The
complex exhibited very strong DNA binding via an intercalation mode of coordination with Kb=6.5×105
value

Title

Ultrasonics - Sonochemistry

Publisher

Ultrasonics - Sonochemistry

Publisher Country

Palestine

Indexing

Thomson Reuters

Impact Factor

6.8

Publication Type

Both (Printed and Online)

Volume

52

Year

2019

Pages

10