Data from: A Ni(II) PNP pincer complex immobilized on SBA-15 as catalyst for the 4-nitrophenol hydrogenation
Abstract
The Ni(II) complex [NiCl(bda)]+ containing the aliphatic PNP pincer ligand bis((2-diphenylphosphino)ethyl)amine (bda) was covalently immobilized on the mesoporous silica SBA-15. SBA-15 was functionalized with (3-chloropropyl)triethoxysilane (CPTES) as an anchoring agent, which was further reacted with the amine group of the Ni-coordinated bda ligand forming the hybrid material SBA-15@PTES@Ni. The material was characterized using Fourier-transform infrared spectroscopy (FT-IR), UV-vis-DRS (diffuse reflectance) spectroscopy, thermogravimetric analysis (TGA), low angle X-ray diffraction (la-XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and energy dispersive X-ray spectroscopy (EDS), and inductivity coupled plasma (ICP-AES). SBA-15@PTES@Ni was used as a catalyst for the hydrogenation of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP) using NaBH4 in aqueous solution. With catalyst loadings of 1 to 3 mg, complete conversions were achieved in 6 to 10 min, with rate constants up to 6.92 ×10–3 s–1.
Dataset DOI: 10.5061/dryad.79cnp5j7p
Description of the data and file structure
File: Data2.zip
Open the zip file. The raw data of different analyses are included, which were used for Figures in the main article and ESI.
Figure_3_ADS-DES folder
Contains three files including: SBA-15.aif, SBA-15@CPTES.aif, and SBA-15@ACPTES@Ni.aif. Each file contains raw adsorption/desorption data for the three aforementioned samples including metadata. They can be opened with any software capable of reading ASCII files.
VARIABLES AND UNITS: exptl_temperature K, exptl_sample_mass g, adsorp_pressure Torr, adsorp_p0 Torr, adsorp_loading cm3, desorp_pressure Torr, desorp_p0 Torr, desorp_loading cm3.
Figure_4_UV folder
Contains three folders: Figure_4a, Figure_4b and Figure_4c. The files in each folder are raw absorbance data for each sample. Different spectra were measured at time=0 (no NaBH4) and different time intervals. They can be opened with any software capable of reading text files.
VARIABLES AND UNITS: Wavelength nm, absorbance -, time sec.
Figure_S2_DRS-UV folder
Contains three files: SBA-15%R.txt, SBA-15@CPTES%R.txt, and SBA-15@CPTES@Ni%R.txt. The files are raw reflectance (%R) data for all three aforementioned samples. They can be opened with any software capable of reading text files.
VARIABLES AND UNITS: Wavelength nm, and reflectance %.
Figure_S3_TG folder
Contains TG.xlsx file. The file includes thermogravimetry analysis data for all three samples. The file can be opened by Microsoft Excel.
VARIABLES AND UNITS: temperature °C, and Weight %.
Figure_S4_LAXRD folder
Contains two files: SBA-15.txt, and SBA-15@CPTES@Ni.txt. The files are raw diffraction data for the two aforementioned samples. They can be opened with any software capable of reading text files.
VARIABLES AND UNITS: 2theta Deg., Intensity Counts.
Figure_S6_recovery folder
Contains three folders: 1st, 2nd and 3rd. The files in each folder are raw absorbance data for each run. Different spectra were measured at different time intervals. They can be opened with any software capable of reading text files.
VARIABLES AND UNITS: Wavelength nm, time sec.
Code/software
The data can transfer to Microsoft Excel or Origin software.