Chemistry:List of straight-chain alkanes
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The following is a list of straight-chain alkanes, the total number of isomers of each (including branched chains), and their common names, sorted by number of carbon atoms.[1][2]
| Number of C atoms | Number of isomers[3][4] | Number of isomers including stereoisomers[3][5] | Molecular Formula | Name of straight chain | Synonyms |
|---|---|---|---|---|---|
| 1 | 1 | 1 | CH 4 |
methane | methyl hydride; natural gas |
| 2 | 1 | 1 | C 2H 6 |
ethane | dimethyl; ethyl hydride; methyl methane |
| 3 | 1 | 1 | C 3H 8 |
propane | dimethyl methane; propyl hydride |
| 4 | 2 | 2 | C 4H 10 |
n-butane | butyl hydride; methylethyl methane |
| 5 | 3 | 3 | C 5H 12 |
n-pentane | amyl hydride; Skellysolve A |
| 6 | 5 | 5 | C 6H 14 |
n-hexane | dipropyl; Gettysolve-B; hexyl hydride; Skellysolve B |
| 7 | 9 | 11 | C 7H 16 |
n-heptane | dipropyl methane; Gettysolve-C; heptyl hydride; Skellysolve C |
| 8 | 18 | 24 | C 8H 18 |
n-octane | dibutyl; octyl hydride |
| 9 | 35 | 55 | C 9H 20 |
n-nonane | nonyl hydride; Shellsol 140 |
| 10 | 75 | 136 | C 10H 22 |
n-decane | decyl hydride |
| 11 | 159 | 345 | C 11H 24 |
n-undecane | hendecane |
| 12 | 355 | 900 | C 12H 26 |
n-dodecane | adakane 12; bihexyl; dihexyl; duodecane |
| 13 | 802 | 2412 | C 13H 28 |
n-tridecane | |
| 14 | 1858 | 6563 | C 14H 30 |
n-tetradecane | |
| 15 | 4347 | 18127 | C 15H 32 |
n-pentadecane | |
| 16 | 10359 | 50699 | C 16H 34 |
n-hexadecane | cetane |
| 17 | 24894 | 143255 | C 17H 36 |
n-heptadecane | |
| 18 | 60523 | 408429 | C 18H 38 |
n-octadecane | |
| 19 | 148284 | 1173770 | C 19H 40 |
n-nonadecane | |
| 20 | 366319 | 3396844 | C 20H 42 |
n-icosane | didecyl icosane |
| 21 | 910726 | 9892302 | C 21H 44 |
n-heneicosane | henicosane |
| 22 | 2278658 | 28972080 | C 22H 46 |
n-docosane | |
| 23 | 5731580 | 85289390 | C 23H 48 |
n-tricosane | |
| 24 | 14490245 | 252260276 | C 24H 50 |
n-tetracosane | |
| 25 | 36797588 | 749329719 | C 25H 52 |
n-pentacosane | |
| 26 | 93839412 | 2234695030 | C 26H 54 |
n-hexacosane | cerane |
| 27 | 240215803 | 6688893605 | C 27H 56 |
n-heptacosane | |
| 28 | 617105614 | 20089296554 | C 28H 58 |
n-octacosane | |
| 29 | 1590507121 | 60526543480 | C 29H 60 |
n-nonacosane | |
| 30 | 4111846763 | 182896187256 | C 30H 62 |
n-triacontane | |
| 31 | 10660307791 | 554188210352 | C 31H 64 |
n-hentriacontane | untriacontane |
| 32 | 27711253769 | 1683557607211 | C 32H 66 |
n-dotriacontane | dicetyl |
| 33 | 72214088660 | 5126819371356 | C 33H 68 |
n-tritriacontane | |
| 34 | 188626236139 | 15647855317080 | C 34H 70 |
n-tetratriacontane | |
| 35 | 493782952902 | 47862049187447 | C 35H 72 |
n-pentatriacontane | |
| 36 | 1295297588128 | 146691564302648 | C 36H 74 |
n-hexatriacontane | |
| 37 | 3404490780161 | 450451875783866 | C 37H 76 |
n-heptatriacontane | |
| 38 | 8964747474595 | 1385724615285949 | C 38H 78 |
n-octatriacontane | |
| 39 | 23647478933969 | 4270217915878409 | C 39H 80 |
n-nonatriacontane | |
| 40 | 62481801147341 | 13180446189326135 | C 40H 82 |
n-tetracontane | |
| 41 | 165351455535782 | 40745751356421890 | C 41H 84 |
n-hentetracontane | |
| 42 | 438242894769226 | 126146261761339138 | C 42H 86 |
n-dotetracontane | |
| 43 | 1163169707886427 | 391089580997271932 | C 43H 88 |
n-tritetracontane | |
| 44 | 3091461011836856 | 1214115357550059889 | C 44H 90 |
n-tetratetracontane | |
| 45 | 8227162372221203 | 3773978539594435261 | C 45H 92 |
n-pentatetracontane | |
| 46 | 21921834086683418 | 1.17454674499017×1019 | C 46H 94 |
n-hexatetracontane | |
| 47 | 58481806621987010 | 3.65973634249825×1019 | C 47H 96 |
n-heptatetracontane | |
| 48 | 156192366474590639 | 1.14160680977903×1020 | C 48H 98 |
n-octatetracontane | |
| 49 | 417612400765382272 | 3.56492605035317×1020 | C 49H 100 |
n-nonatetracontane | |
| 50 | 1117743651746953270 | 1.11437894744930×1021 | C 50H 102 |
n-pentacontane | |
| 51 | 2994664179967370611 | 3.48695195511947×1021 | C 51H 104 |
n-henpentacontane | |
| 52 | 8031081780535296591 | 1.09212674104354×1022 | C 52H 106 |
n-dopentacontane | |
| 53 | 2.15577719135726×1019 | 3.42372129990732×1022 | C 53H 108 |
n-tripentacontane | |
| 54 | 5.79191808731484×1019 | 1.07425456458975×1023 | C 54H 110 |
n-tetrapentacontane | |
| 55 | 1.55745431857550×1020 | 3.37353654348452×1023 | C 55H 112 |
n-pentapentacontane | |
| 56 | 4.19149571193412×1020 | 1.06027803437626×1024 | C 56H 114 |
n-hexapentacontane | |
| 57 | 1.12893957836133×1021 | 3.33501408819192×1024 | C 57H 116 |
n-heptapentacontane | |
| 58 | 3.04304357190683×1021 | 1.04980159528436×1025 | C 58H 118 |
n-octapentacontane | |
| 59 | 8.20861536686375×1021 | 3.30702230705762×1025 | C 59H 120 |
n-nonapentacontane | |
| 60 | 2.21587345357704×1022 | 1.04250134336061×1026 | C 60H 122 |
n-hexacontane | |
| 61 | 5.98580978477069×1022 | 3.28863382009164×1026 | C 61H 124 |
n-henhexacontane | |
| 62 | 1.61805725349297×1023 | 1.03811173709570×1027 | C 62H 126 |
n-dohexacontane | |
| 63 | 4.37671691526159×1023 | 3.27908841257682×1027 | C 63H 128 |
n-trihexacontane | |
| 64 | 1.18461618538531×1024 | 1.03641522884615×1028 | C 64H 130 |
n-tetrahexacontane | |
| 65 | 3.20828506618148×1024 | 3.27776398697850×1028 | C 65H 132 |
n-pentahexacontane | |
| 66 | 8.69413071202487×1024 | 1.03723411195159×1029 | C 66H 134 |
n-hexahexacontane | |
| 67 | 2.35737961344482×1025 | 3.28415364073692×1029 | C 67H 136 |
n-heptahexacontane | |
| 68 | 6.39551595273481×1025 | 1.04042406553793×1030 | C 68H 138 |
n-octahexacontane | |
| 69 | 1.73603007393950×1026 | 3.29784745978795×1030 | C 69H 140 |
n-nonahexacontane | |
| 70 | 4.71484798515330×1026 | 1.04586901217870×1031 | C 70H 142 |
n-heptacontane | |
| 71 | 1.28115131576464×1027 | 3.31851797512264×1031 | C 71H 144 |
n-henheptacontane | |
| 72 | 3.48296574914069×1027 | 1.05347699979053×1032 | C 72H 146 |
n-doheptacontane | |
| 73 | 9.47344738680449×1027 | 3.34590848928408×1032 | C 73H 148 |
n-triheptacontane | |
| 74 | 2.57793062389544×1028 | 1.06317688936105×1033 | C 74H 150 |
n-tetraheptacontane | |
| 75 | 7.01832115122141×1028 | 3.37982367012913×1033 | C 75H 152 |
n-pentaheptacontane | |
| 76 | 1.91156381393249×1029 | 1.07491568187130×1034 | C 76H 154 |
n-hexaheptacontane | |
| 77 | 5.20874195248907×1029 | 3.42012195021483×1034 | C 77H 156 |
n-heptaheptacontane | |
| 78 | 1.41990891534395×1030 | 1.08865635628610×1035 | C 78H 158 |
n-octaheptacontane | |
| 79 | 3.87228257513701×1030 | 3.46670937556328×1035 | C 79H 160 |
n-nonaheptacontane | |
| 80 | 1.05644769069467×1031 | 1.10437611939016×1036 | C 80H 162 |
n-octacontane | |
| 81 | 2.88336094362773×1031 | 3.51953462699296×1036 | C 81H 164 |
n-henoctacontane | |
| 82 | 7.87255854643910×1031 | 1.12206499012211×1037 | C 82H 166 |
n-dooctacontane | |
| 83 | 2.15027809474797×1032 | 3.57858499756067×1037 | C 83H 168 |
n-trioctacontane | |
| 84 | 5.87531723826577×1032 | 1.14172465774427×1038 | C 84H 170 |
n-tetraoctacontane | |
| 85 | 1.60591377849471×1033 | 3.64388315587311×1038 | C 85H 172 |
n-pentaoctacontane | |
| 86 | 4.39100290809332×1033 | 1.16336756600997×1039 | C 86H 174 |
n-hexaoctacontane | |
| 87 | 1.20102579077569×1034 | 3.71548456067735×1039 | C 87H 176 |
n-heptaoctacontane | |
| 88 | 3.28612955581209×1034 | 1.18701618541837×1040 | C 88H 178 |
n-octaoctacontane | |
| 89 | 8.99409590248916×1034 | 3.79347541983580×1040 | C 89H 180 |
n-nonaoctacontane | |
| 90 | 2.46245150242821×1035 | 1.21270244338682×1041 | C 90H 182 |
n-nonacontane | |
| 91 | 6.74391606297983×1035 | 3.87797110845861×1041 | C 91H 184 |
n-hennonacontane | |
| 92 | 1.84751504801261×1036 | 1.24046728824609×1042 | C 92H 186 |
n-dononacontane | |
| 93 | 5.06281811212116×1036 | 3.96911497803001×1042 | C 93H 188 |
n-trinonacontane | |
| 94 | 1.38778575295845×1037 | 1.27036036776471×1043 | C 94H 190 |
n-tetranonacontane | |
| 95 | 3.80518360708038×1037 | 4.06707750189460×1043 | C 95H 192 |
n-pentanonacontane | |
| 96 | 1.04363664561059×1038 | 1.30243980672744×1044 | C 96H 194 |
n-hexanonacontane | |
| 97 | 2.86312976836850×1038 | 4.17205571326637×1044 | C 97H 196 |
n-heptanonacontane | |
| 98 | 7.85684759853088×1038 | 1.33677207115080×1045 | C 98H 198 |
n-octanonacontane | |
| 99 | 2.15659631984508×1039 | 4.28427290059784×1045 | C 99H 200 |
n-nonanonacontane | |
| 100 | 5.92107203812581×1039 | 1.37343190918329×1047 | C 100H 202 |
n-hectane | |
| 101 | 1.62607500143337×1040 | C 101H 204 |
n-henihectane | ||
| 102 | 4.46670631687268×1040 | C 102H 206 |
n-dohectane | ||
| 103 | 1.22726610195426×1041 | C 103H 208 |
n-trihectane | ||
| 104 | 3.37281538963752×1041 | C 104H 210 |
n-tetrahectane | ||
| 105 | 9.27143441542280×1041 | C 105H 212 |
n-pentahectane | ||
| 106 | 2.54917652030591×1042 | C 106H 214 |
n-hexahectane | ||
| 107 | 7.01051065630088×1042 | C 107H 216 |
n-heptahectane | ||
| 108 | 1.92838773361102×1043 | C 108H 218 |
n-octahectane | ||
| 109 | 5.30557278101059×1043 | C 109H 220 |
n-nonahectane | ||
| 110 | 1.46002972524313×1044 | C 110H 222 |
n-decahectane | ||
| 111 | 4.01865724190509×1044 | C 111H 224 |
n-undecahectane | ||
| 112 | 1.10633962543222×1045 | C 112H 226 |
n-dodecahectane | ||
| 113 | 3.04636987596851×1045 | C 113H 228 |
n-tridecahectane | ||
| 114 | 8.38999942017075×1045 | C 114H 230 |
n-tetradecahectane | ||
| 115 | 2.31113265930118×1046 | C 115H 232 |
n-pentadecahectane | ||
| 116 | 6.36751554673601×1046 | C 116H 234 |
n-hexadecahectane | ||
| 117 | 1.75467195960063×1047 | C 117H 236 |
n-heptadecahectane | ||
| 118 | 4.83616671898832×1047 | C 118H 238 |
n-octadecahectane | ||
| 119 | 1.33316731232142×1048 | C 119H 240 |
n-nonadecahectane | ||
| 120 | 3.67574018395043×1048 | C 120H 242 |
n-icosahectane |
See also
- Higher alkane
- List of compounds with carbon numbers 50+
References
- ↑ "organic chemistry - How to determine number of structural isomers?". Stack Exchange. https://chemistry.stackexchange.com/questions/16135/how-to-determine-number-of-structural-isomers.
- ↑ "Paraffins - Rosetta Code". 13 January 2019. https://rosettacode.org/wiki/Paraffins.
- ↑ 3.0 3.1 Fujita, Shinsaku (2007). "Alkanes as Stereoisomers. Enumeration by the Combination of Two Dichotomies for Three-Dimensional Trees". MATCH Commun. Math. Comput. Chem. 57 (2): 328 (PDF p. 30). ISSN 0340-6253. http://match.pmf.kg.ac.rs/electronic_versions/Match57/n2/match57n2_299-340.pdf. Retrieved 29 March 2019.
- ↑ Sloane, N. J. A., ed. "Sequence A000602". OEIS Foundation. https://oeis.org/A000602.
- ↑ Sloane, N. J. A., ed. "Sequence A000628". OEIS Foundation. https://oeis.org/A000628.
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