<2021_Electron Transfer in O-ATRP Project> This directory contains all datasets pertaining to the papers "Singlet and Triplet Contributions to the Excited-state Activities of Dihydrophenazine, Phenoxazine and Phenothiazine Organocatalysts used in Atom Transfer Radical Polymerization" authored by Aditi Bhattacherjee, Mahima Sneha, Luke Lewis-Borrell, Giordano Amoruso, Thomas A. A. Oliver, Jasper Tyler, Ian P. Clark, and Andrew J. Orr-Ewing and "Structure-dependent Electron Transfer Rates for Dihydrophenazine, Phenoxazine and Phenothiazine Photoredox Catalysts Employed in Atom Transfer Radical Polymerization" authored by Mahima Sneha*, Aditi Bhattacherjee, Luke Lewis-Borrell, Ian P. Clark, and Andrew J. Orr-Ewing* DCM is Dichloromethane, DMF is N, N dimethylformamide, TolD is Toluene-d8, and Tol is Toluene, PC is photocatalyst. PC-N1 is 5,10-bis(4-methoxyphenyl)-5,10-dihydrophenazine PC-N2 is 5,10-bis(4-phenyl)-5,10-dihydrophenazine PC-N3 is 5,10-bis(4-trifluoromethylphenyl)-5,10-dihydrophenazine PC-N4 is 4,4'-(phenazine-5,10-diyl)dibenzonitrile PC-O1 is Phenyl-10-Phenoxazine PC-O2 is 10-(naphthalen-2-yl)-10H-phenoxazine PC-O3 is 3,7-Di(4-biphenyl) Phenyl-10-Phenoxazine PC-S is 10-(naphthalen-1-yl)-10H-phenothiazine MBP is Methyl 2-bromopropionate There are eight folders, one for each photocatalyst. Most of the folders contain 3 sub-folders, entitled TVAS, TEAS and Steady State. In the subfolders TVAS and TEAS for each photocatalyst, raw data is divided into three subfolders, DCM, DMF and Toluene. TVAS subfolders contain all transient vibrational absorption spectra (TVAS) measured at Rutherford Appleton Laboratory (RAL) in the form of .csv files. The individual file names for the TVAS data are named as . Solvent is dichloromethane, N,N-dimethylformamide or Toluene-d8. The .csv files contained within represent the measured infrared transient absorption data: Top row represents the randomized time delays in nanoseconds. Leftmost vertical column represents the pixel number. The pixel to wavelength conversion is provided in the calibration files (calibrated using polystyrene). All other entries are delta optical density. Each solvent subfolder in the TVAS folder also contain calibration files which can be used for pixel to wavenumber calibration. Total number of pixels in data is 256, with 0-127 on one detector, and 128-255 on another. Calibration_leftside_detector files contain information for 0-127 pixels and calibration_rightside_detector contain caliration information for 128-255 pixels in the data. TEAS subfolders contain all the transient electronic absorption spectra taken in the Bristol laser laboratory. All files are in .UV form which is readable by any .csv file reader such as notepad. File names are as . The .UV files contained within represent the measured transient absorption data: Top horizantal column (first row) represents the randomized time delays in picoseconds. Left vertical column represents the wavelength. All other entries are delta mili-optical density. Solvent is dichloromethane, N,N-dimethylformamide or toluene.The volume of slvent used in 10 ml for TEAS data in all cases unless specified otherwise. Steady State subfolders contain all UV-Vis, fluorescence and FTIR spectra in the form of .csv files measured for all PCs with and without Ferric chloride in Dichloromethane (also in N,N-dimethylformamide and toluene for fluorescence measurements) at Bristol. PC-N1: Total number of .csv files is 23, and number of .UV files is 18. PC-N2: Total number of .csv files is 11, and number of .UV files is 5. No Steady state data is reported for this PC as its been previously reported by Koyama et al(J. Am. Chem. Soc. 2018, 140, 4, 1285–1293). PC-N3: Total number of .csv files is 14, and number of .UV files is 5. No Steady state data is reported for this PC as its been previously reported by Koyama et al(J. Am. Chem. Soc. 2018, 140, 4, 1285–1293). PC-N4: Total number of .csv files is 4, and number of .UV files is 12. No TVAS studies were performed for this PC. PC-O1: Total number of .csv files is 24, and number of .UV files is 18. PC-O2: Total number of .csv files is 32, and number of .UV files is 19. An extra subfolder named 'Triplet state quenching in Toluene-d8 exists for this PC, in the TVAS folder. PC-O3: Total number of .csv files is 24, and number of .UV files is 18. PC-S: Total number of .csv files is 25, and number of .UV files is 19. 2 .csv files for the steady state UV-Vis and FTIR data for FeCl3 in DCM are also present in the main folder.