A New iso-Amyl Benzothiazolyl Sulfoxide as an Extractant for Palladium and the Crystal Structure of its Palladium (II) Complex
Abstract
:Introduction
Results and Discussion
Extraction behavior of ABSO towards Pd(II)
Stripping Agents | % Recovery | ||||
---|---|---|---|---|---|
0.5 M | 1 M | 2 M | 3 M | 5 M | |
HCl | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
HNO3 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
NaOH | 35.8 | 32.5 | 31.4 | 30.7 | 27.3 |
NH3·H2O | 97.6 | 99.2 | 99.5 | 99.6 | 99.6 |
Na2SO3 | 12.4 | 10.6 | 9.8 | 7.5 | 4.4 |
IR spectra of extracted Pd(II)-ABSO adduct
X-Ray Crystallography of PdCl2(ABSO)2 [33]
Empirical formula | C26H32Cl8N2O2PdS4 | Density (calculated) | 1.658 g/mL |
Formula weight | 922.78 | Absorption coefficient | 1.334 mm-1 |
Temperature | 100(2) K | F(000) | 928 |
Wavelength | 0.71073 Å | Crystal size | 0.25 x 0.08 x 0.08 mm3 |
Crystal system | Monoclinic | θ range for data collection | 2.53 to 28.29° |
Space group | P2(1)/c | Reflections collected | 13380 |
Unit cell dimensions | a = 18.0079(15) Å, α= 90° | Independent reflections | 4358 [R(int) = 0.0367] |
b = 6.0692(5) Å, β= 116.5450(10)° | Final R indices [I>2sigma(I)] | R1 = 0.0364, wR2 = 0.0811 | |
c = 18.9080(16) Å, γ= 90° | Goodness-of-fit on F2 | 1.051 | |
Volume | 1848.7(3) Å3 | R indices (all data) | R1 = 0.0494, wR2 = 0.0862 |
Z | 2 | Largest diff. peak and hole | 1.350 and -0.811 e.Å-3 |
Conclusions
Experimental
General
Preparation of iso-amyl benzothiazolyl sulfide (2)
Iso-amyl benzothiazolyl sulfoxide (ABSO, 3):
Pd (II) stock solution (1.0 g·L-1):
General extraction procedure
X-ray crystal structure determination
Acknowledgements
References
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Li, Y.-W.; Gu, G.-B.; Liu, H.-Y.; Sung, H.H.Y.; Williams, I.D.; Chang, C.-K. A New iso-Amyl Benzothiazolyl Sulfoxide as an Extractant for Palladium and the Crystal Structure of its Palladium (II) Complex. Molecules 2005, 10, 912-921. https://doi.org/10.3390/10080912
Li Y-W, Gu G-B, Liu H-Y, Sung HHY, Williams ID, Chang C-K. A New iso-Amyl Benzothiazolyl Sulfoxide as an Extractant for Palladium and the Crystal Structure of its Palladium (II) Complex. Molecules. 2005; 10(8):912-921. https://doi.org/10.3390/10080912
Chicago/Turabian StyleLi, Yao-Wei, Guo-Bang Gu, Hai-Yang Liu, Herman H. Y. Sung, Ian D. Williams, and Chi-K. Chang. 2005. "A New iso-Amyl Benzothiazolyl Sulfoxide as an Extractant for Palladium and the Crystal Structure of its Palladium (II) Complex" Molecules 10, no. 8: 912-921. https://doi.org/10.3390/10080912