====== Molecules in Space (as of 10/2002) ======

=== 2-7 atoms   8-13 atoms ===

Note: Deuterium isotopomers are given seperately only if their method of detection is intrinsically different from that of pure hydrogen isotopomers.\\


All molecules have been detected (also) by rotational spectroscopy in the radiofrequency to far-infrared regions unless indicated otherwise.\\
* indicates molecules that can be detected by their rotation-vibration spectrum,\\
%%**%% those detected by electronic spectroscopy only.\\
Transition metal molecules detected in atmospheres of stars by electronic spectroscopy are currently not included. Tentative detections are indicated by "?". These include molecules for which (partial) overlap of lines cannot be ruled at the moment.\\


We welcome comments on this list !\\


^2 atoms                                                                                                          ^3 atoms                                                                                                 ^4 atoms                        ^5 atoms                     ^6 atoms                     ^7 atoms                                                         ^
|H<sub>2</sub>                                                                                                    |C<sub>3</sub>*                                                                                          |c-C<sub>3</sub>H               |C<sub>5</sub>*              |C<sub>5</sub>H              |C<sub>6</sub>H                                                  |
|AlF                                                                                                              |C<sub>2</sub>H                                                                                          |l-C<sub>3</sub>H               |C<sub>4</sub>H              |l-H<sub>2</sub>C<sub>4</sub>|CH<sub>2</sub>CHCN                                              |
|AlCl                                                                                                             |C<sub>2</sub>O                                                                                          |C<sub>3</sub>N                 |C<sub>4</sub>Si             |C<sub>2</sub>H<sub>4</sub>* |CH<sub>3</sub>C<sub>2</sub>H                                    |
|C<sub>2</sub>%%**%%                                                                                              |C<sub>2</sub>S                                                                                          |C<sub>3</sub>O                 |l-C<sub>3</sub>H<sub>2</sub>|CH<sub>3</sub>CN            |HC<sub>5</sub>N                                                 |
|CH                                                                                                               |CH<sub>2</sub>                                                                                          |C<sub>3</sub>S                 |c-C<sub>3</sub>H<sub>2</sub>|CH<sub>3</sub>NC            |HCOCH<sub>3</sub>                                               |
|[[CH+.html|CH<sup>+</sup>]]                                                                                      |HCN                                                                                                     |C<sub>2</sub>H<sub>2</sub>*    |CH<sub>2</sub>CN            |CH<sub>3</sub>OH            |NH<sub>2</sub>CH<sub>3</sub>                                    |
|CN                                                                                                               |HCO                                                                                                     |CH2D<sup>+</sup>?              |CH<sub>4</sub>*             |CH<sub>3</sub>SH            |c-C<sub>2</sub>H<sub>4</sub>O                                   |
|CO                                                                                                               |HCO<sup>+</sup>                                                                                         |HCCN                           |HC<sub>3</sub>N             |HC<sub>3</sub>NH<sup>+</sup>|[[http://www.aoc.nrao.edu/pr/vinylalco.html|H<sub>2</sub>CCHOH]]|
|CO<sup>+</sup>                                                                                                   |HCS<sup>+</sup>                                                                                         |HCNH<sup>+</sup>               |HC<sub>2</sub>NC            |HC<sub>2</sub>CHO           |                                                                |
|CP                                                                                                               |HOC<sup>+</sup>                                                                                         |HNCO                           |[[Formic_Acid.html|HCOOH]]  |NH<sub>2</sub>CHO           |                                                                |
|CSi                                                                                                              |H<sub>2</sub>O                                                                                          |HNCS                           |H<sub>2</sub>CHN            |C<sub>5</sub>N              |                                                                |
|HCl                                                                                                              |H<sub>2</sub>S                                                                                          |HOCO<sup>+</sup>               |H<sub>2</sub>C<sub>2</sub>O |l-HC<sub>4</sub>H*          |                                                                |
|KCl                                                                                                              |HNC                                                                                                     |H<sub>2</sub>CO                |H<sub>2</sub>NCN            |                            |                                                                |
|NH%%**%%                                                                                                         |HNO                                                                                                     |H<sub>2</sub>CN                |HNC<sub>3</sub>             |                            |                                                                |
|NO                                                                                                               |MgCN                                                                                                    |H<sub>2</sub>CS                |SiH<sub>4</sub>*            |                            |                                                                |
|NS                                                                                                               |MgNC                                                                                                    |H<sub>3</sub>O<sup>+</sup>     |H<sub>2</sub>COH<sup>+</sup>|                            |                                                                |
|NaCl                                                                                                             |N<sub>2</sub>H<sup>+</sup>                                                                              |NH<sub>3</sub>                 |                            |                            |                                                                |
|OH                                                                                                               |N<sub>2</sub>O                                                                                          |c-SiC<sub>3</sub>              |                            |                            |                                                                |
|PN                                                                                                               |NaCN                                                                                                    |CH<sub>3</sub>*                |                            |                            |                                                                |
|SO                                                                                                               |OCS                                                                                                     |                               |                            |                            |                                                                |
|SO<sup>+</sup>                                                                                                   |SO<sub>2</sub>                                                                                          |                               |                            |                            |                                                                |
|SiN                                                                                                              |c-SiC2                                                                                                  |                               |                            |                            |                                                                |
|SiO                                                                                                              |CO<sub>2</sub>*                                                                                         |                               |                            |                            |                                                                |
|SiS                                                                                                              |NH<sub>2</sub>                                                                                          |                               |                            |                            |                                                                |
|CS                                                                                                               |H<sub>3</sub><sup>+</sup>                                                                               |                               |                            |                            |                                                                |
|HF                                                                                                               |H<sub>2</sub>D<sup>+</sup>                                                                              |                               |                            |                            |                                                                |
|SH*                                                                                                              |SiCN                                                                                                    |                               |                            |                            |                                                                |
|HD                                                                                                               |[[http://www.journals.uchicago.edu/ApJ/journal/issues/ApJL/v564n1/15690/brief/15690.abstract.html|AlNC]]|                               |                            |                            |                                                                |
|[[http://www.journals.uchicago.edu/ApJ/journal/issues/ApJL/v566n2/16003/brief/16003.abstract.html|FeO]]          |                                                                                                        |                               |                            |                            |                                                                |
|[[http://www.journals.uchicago.edu/ApJ/journal/issues/ApJ/v576n2/55626/brief/55626.abstract.html|O<sub>2</sub>]]?|                                                                                                        |                               |                            |                            |                                                                |
|8 atoms                                                                                                          |9 atoms                                                                                                 |10 atoms                       |11 atoms                    |12 atoms                    |13 atoms                                                        |
|CH<sub>3</sub>C<sub>3</sub>N                                                                                     |CH<sub>3</sub>C<sub>4</sub>H                                                                            |CH<sub>3</sub>C<sub>5</sub>N ? |HC<sub>9</sub>N             |C<sub>6</sub>H<sub>6</sub>* |HC<sub>11</sub>N                                                |
|HCOOCH<sub>3</sub>                                                                                               |CH<sub>3</sub>CH<sub>2</sub>CN                                                                          |(CH<sub>3</sub>)<sub>2</sub>CO |                            |                            |                                                                |
|[[HAc.html|CH<sub>3</sub>COOH]]                                                                                  |(CH<sub>3</sub>)<sub>2</sub>O                                                                           |(CH<sub>2</sub>OH)<sub>2</sub>?|                            |                            |                                                                |
|C<sub>7</sub>H                                                                                                   |CH<sub>3</sub>CH<sub>2</sub>OH                                                                          |                               |                            |                            |                                                                |
|H<sub>2</sub>C<sub>6</sub>                                                                                       |HC<sub>7</sub>N                                                                                         |                               |                            |                            |                                                                |
|CH<sub>2</sub>OHCHO?                                                                                             |C<sub>8</sub>H                                                                                          |                               |                            |                            |                                                                |
|l-HC<sub>6</sub>H*                                                                                               |                                                                                                        |                               |                            |                            |                                                                |


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