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7.134 SECTION 7<br />

TABLE 7.76<br />

Condensed Table of Mass Spectra (Continued)<br />

Mass numbers (and intensities) of:<br />

Molecular<br />

formula<br />

Name<br />

Parent<br />

peak<br />

Base<br />

peak<br />

Three next most intense peaks<br />

C 5 H 12 S 2-Pentanethiol 104(28) 43(72) 61(52) 27(39) 55(38)<br />

C 5 H 12 S 3-Pentanethiol 104(23) 43(56) 41(48) 75(29) 47(23)<br />

C 5 H 12 S 2 4,4-Dimethyl-2,3-dithiapentane 136(12) 57(74) 41(38) 29(36) 80(13)<br />

C 5 H 12 S 2 2-Methyl-3,4-dithiahexane 136(20) 94(49) 27(46) 43(39) 66(37)<br />

C 5 H 14 Pb Trimethylethyllead 282(0.64) 223(61) 253(52) 208(51) 221(33)<br />

C 6 F 6 Hexafluorobenzene 186(95) 186(95) 117(59) 31(58) 93(23)<br />

C 6 F 12 Dodecafluorocyclohexane 300(0.96) 131(138) 69(97) 100(40) 31(30)<br />

C 6 F 14 Tetradecafluoro-2-methylpentane 338(0.0) 69(317) 131(41) 119(36) 169(29)<br />

C 6 F 14 Tetradecafluorohexane 338(0.13) 69(268) 119(74) 169(51) 131(37)<br />

C 6 H 5 Br Bromobenzene 156(75) 77(98) 158(74) 51(41) 50(36)<br />

C 6 H 5 Cl Chlorobenzene 112(102) 112(102) 77(49) 114(33) 51(17)<br />

C 6 H 5 NO 2 Nitrobenzene 123(39) 77(93) 51(55) 50(23) 30(15)<br />

C 6 H 6 Benzene 78(113) 78(113) 52(22) 77(20) 51(18)<br />

C 6 H 6 1,5-Hexadiyne 78(58) 39(65) 52(38) 51(32) 50(26)<br />

C 6 H 6 2,4-Hexadiyne 78(108) 78(108) 51(55) 52(38) 50(31)<br />

C 6 H 6 S Benzenethiol 110(68) 110(68) 66(26) 109(17) 51(15)<br />

C 6 H 7 N Aminobenzene (aniline) 93(19) 93(19) 66(6.5) 65(3.6) 39(3.5)<br />

C 6 H 7 N 2-Methylpyridine 93(86) 93(86) 66(36) 39(28) 51(16)<br />

C 6 H 7 NO 1-Methyl-2-pyridone 109(71) 109(71) 81(49) 39(34) 80(29)<br />

C 6 H 8 Methylcyclopentadiene 80(53) 79(87) 77(29) 39(19) 51(11)<br />

C 6 H 8 1,3-Cyclohexadiene 80(53) 79(92) 77(35) 39(21) 27(18)<br />

C 6 H 8 O 2.5-Dimethylfuran 96(57) 43(65) 95(48) 53(37) 81(24)<br />

C 6 H 8 S 2,3-Dimethylthiophene 112(44) 97(53) 111(44) 45(16) 27(9.4)<br />

C 6 H 8 S 2,4-Dimethylthiophene 112(27) 111(36) 97(18) 45(9.4) 39(7.0)<br />

C 6 H 8 S 2,5-Dimethylthiophene 112(67) 111(95) 97(59) 59(23) 45(19)<br />

C 6 H 8 S 2-Ethylthiophene 112(27) 97(68) 45(16) 39(8.9) 27(5.4)<br />

C 6 H 8 S 3-Ethylthiophene 112(54) 97(147) 45(38) 39(20) 27(12)<br />

C 6 H 9 N 2,5-Dimethylpyrrole 95(73) 94(127) 26(52) 80(22) 42(19)<br />

C 6 H 10 Isopropenylcyclopropane 82(20) 67(92) 41(47) 39(46) 27(22)<br />

C 6 H 10 1-Methylcyclopentene 82(26) 67(98) 39(21) 81(16) 41(16)<br />

C 6 H 10 Cyclohexene 82(33) 67(83) 54(64) 41(31) 39(30)<br />

C 6 H 10 2,3-Dimethyl-1,3-butadiene 82(41) 67(60) 39(55) 41(44) 54(22)<br />

C 6 H 10 2-Methyl-1,3-pentadiene 82(23) 67(48) 39(30) 41(26) 27(13)<br />

C 6 H 10 1,5-Hexadiene 82(1.3) 41(98) 67(80) 39(60) 54(52)<br />

C 6 H 10 3,3-Dimethyl-1-butyne 82(0.57) 67(101) 41(57) 39(31) 27(11)<br />

C 6 H 10 4-Methyl-1-pentyne 82(2.3) 67(82) 41(74) 43(64) 39(55)<br />

C 6 H 10 1-Hexyne 82(1.0) 67(131) 41(88) 27(85) 43(67)<br />

C 6 H 10 2-Hexyne 82(56) 67(58) 53(50) 27(39) 41(36)<br />

C 6 H 10 3-Hexyne 82(55) 67(59) 41(55) 39(37) 53(20)<br />

C 6 H 10 O Cyclohexanone 98(32) 55(102) 42(86) 41(35) 27(34)<br />

C 6 H 10 O 4-Methyl-3-penten-2-one 98(40) 55(82) 83(82) 43(64) 29(38)<br />

C 6 H 10 O 2 2,5-Hexanedione 114(4.0) 43(148) 15(25) 99(22) 14(14)<br />

C 6 H 10 O 3 Propanoic anhydride 130(0.0) 57(190) 29(119) 27(62) 28(26)<br />

C 6 H 10 O 3 Ethyl ace<strong>to</strong>acetate 130(8.3) 43(150) 29(52) 27(32) 15(27)<br />

C 6 H 11 N 4-Methylpentanenitrile 97(0.13) 55(98) 41(51) 43(45) 27(39)<br />

C 6 H 11 N Hexanenitrile 97(0.54) 41(73) 54(49) 27(43) 55(40)<br />

C 6 H 12 1,1,2-Trimethylcyclopropane 84(38) 41(132) 69(81) 39(34) 27(24)<br />

C 6 H 12 1-Methyl-1-ethylcyclopropane 84(25) 41(78) 55(58) 69(53) 27(33)<br />

C 6 H 12 Isopropylcyclopropane 84(2.0) 56(114) 41(84) 39(30) 43(28)

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