PSI VUV About Database

Search the Photoelectron Photoion Spectral Compendium

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Ionization energy: -

Species

Species Mass / amu Sum formula CAS AIE / eV VIE / eV
Methyl 15.03 CH3 2229-07-4 9.84 9.84
Cyanomethylene 39.04 C2HN 2612-62-6 10.60 10.62
Benzo[e]pyrene 252.30 C20H12 192-97-2 7.42 NaN
Benzocorannulene 300.00 C24H12 182181-22-2 7.70 NaN
Dibenzo[e,l]pyrene 302.40 C24H14 192-51-8 7.40 NaN
Heptacene 378.46 C30H18 258-38-8 6.21 NaN
Propargyl 39.06 C3H3 2932-78-7 8.70 NaN
Cyanomethyl 40.04 C2H2N 2932-82-3 10.28 10.28
Allyl 41.07 C3H5 1981-80-2 8.13 NaN
Ethenone 42.04 C2H2O 463-51-4 9.62 NaN
Propene 42.08 C3H6 115-07-1 9.72 NaN
Fulminic acid 43.00 HCNO 506-85-4 10.83 NaN
i-Propyl 43.09 C3H7 2025-55-0 7.45 NaN
n-Propyl 43.09 C3H7 2143-61-5 NaN NaN
Formamide 45.04 CH3NO 75-12-7 10.24 10.24
Silicon 28.09 Si 7440-21-3 8.15 8.15
Thioformaldehyde 46.09 SCH2 865-36-1 9.37 NaN
Mercaptomethyl 47.00 CH2SH 17032-46-1 7.55 NaN
Thiomethyl 47.00 SCH3 73142-81-1 9.25 NaN
Methanethiol 48.00 SCH4 74-93-1 9.44 NaN
Difluoromethane 52.02 CH2F2 75-10-5 12.73 NaN
1-Methylene-2-propenyl 53.08 C4H5 7.55 NaN
2-Butyn-1-yl 53.08 C4H5 82252-88-8 7.93 NaN
1,3-Butadiene 54.09 C4H6 106-99-0 9.08 9.08
Isobutene 56.11 C4H8 115-11-7 9.24 9.24
t-Butyl 57.11 C4H9 1605-73-8 6.83 NaN
Ethyl 29.06 C2H5 2025-56-1 NaN NaN
Acetamide 59.07 C2H5NO 60-35-5 9.73 9.78
Ethanolamine 61.08 C2H7NO 141-43-5 8.91 9.86
Carbonic acid 62.02 H2CO3 463-79-6 11.27 NaN
Dimethylsulfide 62.13 S(CH3)2 75-18-3 8.66 NaN
Disulfur 64.00 S2 23550-45-0 9.35 NaN
Cyclopentadienyl 65.09 C5H5 2143-53-5 8.43 NaN
Thiosulfeno 65.14 S2H 9.22 NaN
Cyclopentadiene 66.10 C5H6 542-92-7 8.58 NaN
m-Benzyne 76.10 C6H4 8.65 NaN
o-Benzyne 76.10 C6H4 462-80-6 9.56 9.77
Tricarbon 36.03 C3 12075-35-3 11.66 11.84
Benzene 78.11 C6H6 71-43-2 9.24 NaN
3,4-Dimethylenecyclobut-1-ene 78.11 C6H6 5291-90-7 8.80 NaN
Fulvene 78.11 C6H6 497-20-1 8.40 8.40
o-Pyridyl 78.00 C5H4N 7.72 NaN
p-Pyridyl 78.00 C5H4N 7.72 NaN
2-Cyclopenten-1-one 82.10 C5H6O 930-30-3 9.34 NaN
Dichloromethane 84.93 CH2Cl2 75-09-2 11.00 NaN
Nitrogen dichloride 84.91 NCl2 25938-83-4 9.94 NaN
Phenylnitrene 91.11 C6H5N 2655-25-6 8.29 NaN
2-Picolyl 92.12 C6H6N 52962-96-6 7.70 NaN
2-Cyclopropyn-1-yl 37.04 C3H 132915-72-1 9.83 NaN
3-Picolyl 92.12 C6H6N 61204-14-6 7.59 NaN
4-Picolyl 92.12 C6H6N 51010-00-5 8.01 NaN
Anilino 92.12 C6H6N 2348-49-4 8.02 8.26
Fulvenone 92.10 C6H4O 4727-22-4 8.25 8.25
Phenoxy 93.10 C6H5O 2122-46-5 8.56 8.56
Dimethyldisulfide 94.19 S2(CH3)2 624-92-0 NaN 8.91
Phenol 94.11 C6H6O 108-95-2 8.57 NaN
Fluorocyclohexane 102.15 C6H11F 372-46-3 10.12 NaN
m-Xylylene 106.15 C8H8 7.27 7.27
Styrene 104.15 C8H8 100-42-5 8.46 NaN
2-Propynylidyne 37.04 C3H 53590-28-6 9.12 NaN
m-Xylyl 105.16 C8H9 2348-47-2 7.11 7.11
o-Xylyl 105.16 C8H9 2348-48-3 7.08 7.08
p-Xylyl 105.16 C8H9 2348-52-9 6.94 6.94
2,4-Lutidyl 106.15 C7H8N 7.54 NaN
2,6-Lutidyl 106.15 C7H8N 7.50 NaN
3,5-Lutidyl 106.15 C7H8N 7.45 NaN
Anisole 108.14 C7H8O 100-66-3 8.20 NaN
2,4,4-Trimethyl-1-pentene 112.21 C8H16 107-39-1 8.91 NaN
2,4,4-Trimethyl-2-pentene 112.21 C8H16 107-40-4 8.56 NaN
1-Phenylpropargyl 115.15 C9H7 7.24 NaN
Cyanocarbyne 38.03 C2N 4120-02-9 10.80 10.80
3-Phenylpropargyl 115.15 C9H7 7.25 NaN
Indenyl 115.15 C9H7 71551-80-9 7.53 7.53
1-propynylbenzene 116.16 C9H8 673-32-5 8.40 NaN
Indene 116.16 C9H8 95-13-6 8.14 NaN
Fluorosilacyclohexane 118.22 C5H11FSi 9.50 9.95
Chlorocyclohexane 118.61 C6H11Cl 542-18-7 10.06 NaN
6-Carbonyl-2,4-cyclohexadien-1-one 120.11 C7H4O2 21083-33-0 8.35 8.35
4-Methylcatechol 124.14 C7H8O2 452-86-8 NaN NaN
Guaiacol 124.14 C7H8O2 90-05-1 NaN NaN
Dicyclopentadiene 132.20 C10H12 77-73-6 NaN 8.70
Cyclopropenylidene 38.05 C3H2 16165-40-5 9.17 9.33
Chlorosilacyclohexane 134.68 C5H11ClSi 9.50 NaN
m-Anisaldehyde 136.15 C8H8O2 591-31-1 NaN NaN
o-Anisaldehyde 136.15 C8H8O2 135-02-4 NaN NaN
p-Anisaldehyde 136.15 C8H8O2 123-11-5 8.43 NaN
2-Aminobenzoic acid 137.14 C7H7NO2 118-92-3 NaN 8.04
3-Aminobenzoic acid 137.14 C7H7NO2 99-05-8 NaN 8.27
4-Aminobenzoic acid 137.14 C7H7NO2 150-13-0 NaN 8.23
3,4-Dihydroxybenzaldehyde 138.10 C7H8O3 139-85-5 NaN NaN
2-Naphthylnitrene 141.17 C10H7N 7.72 NaN
2-Cyanoindene 141.17 C10H7N 29005-25-2 8.64 NaN
Propynylidene 38.05 C3H2 2008-19-7 8.97 8.97
3-Cyanoindene 141.17 C10H7N 29872-81-9 8.70 NaN
Vanillin 152.15 C8H8O3 121-33-5 8.31 NaN
Bromocyclohexane 163.06 C6H11Br 108-85-0 9.71 NaN
N-Carbazolyl 166.20 C12H8N 7.70 NaN
Carbazole 167.21 C12H9N 86-74-8 7.61 7.61
Bromosilacyclohexane 179.13 C5H11BrSi 102130973 9.50 NaN
Iodocyclohexane 210.06 C6H11I 626-62-0 8.98 NaN
2-Iodobenzyl 217.03 C7H6I 7.31 7.31
4-Iodobenzyl 217.03 C7H6I 7.17 7.17
Iodosilacyclohexane 226.13 C5H11ISi 8.90 NaN