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| new [2020/03/10 16:14] – [Molecules in Space] mueller | new [2026/04/17 14:19] (current) – [Recent Catalog Entries] mueller |
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| [[archive#less_recent_catalog_entries|Earlier Catalog Entries]] | [[archive#less_recent_catalog_entries|Earlier Catalog Entries]] |
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| * Mar. 2020: C<sub>4</sub>D; <sup>13</sup>CCCCH; C<sup>13</sup>CCCH; CC<sup>13</sup>CCH; CCC<sup>13</sup>CH. | * Apr. 2026: 2,5-//c//-C<sub>6</sub>H<sub>6</sub>S, 2,4-//c//-C<sub>6</sub>H<sub>6</sub>S; C<sub>3</sub>H<sub>3</sub>CHO; 2-azabutadiene; 1-azetine; cyclopropanone. |
| * Feb. 2020: O<sup>18</sup>O; <sup>18</sup>O<sub>2</sub>; O<sub>2</sub>, a <sup>1</sup>Δ; C<sub>4</sub>H, //v// = 0; C<sub>4</sub>H, //v//<sub>7</sub> = 1; C<sub>4</sub>H, //v//<sub>7</sub> = 2<sup>0</sup>; C<sub>4</sub>H, //v//<sub>7</sub> = 2<sup>2</sup>; C<sub>4</sub>H, //v//<sub>6</sub> = 1; C<sub>4</sub>H, //v//<sub>5</sub> = 1; C<sub>4</sub>H, //v//<sub>6</sub> = //v//<sub>7</sub> = 1. | * Mar. 2026: 1H-cyclopent[cd]indene; <sup>13</sup>CH<sub>2</sub>DCN; CH<sub>2</sub>D<sup>13</sup>CN; CH<sub>2</sub>DC<sup>15</sup>N; <sup>13</sup>CH<sub>3</sub>CN, //v// = 0; CH<sub>3</sub><sup>13</sup>CN, //v// = 0; <sup>13</sup>CH<sub>3</sub>CN, //v//<sub>8</sub> = 1; CH<sub>3</sub><sup>13</sup>CN, //v//<sub>8</sub> = 1; <sup>13</sup>CH<sub>3</sub>CN, //v//<sub>8</sub> = 2; CH<sub>3</sub><sup>13</sup>CN, //v//<sub>8</sub> = 2. |
| * Jan. 2020: <sup>26</sup>AlO, v = 0; <sup>26</sup>AlO, v = 1 − 2; O<sub>2</sub>, X <sup>3</sup>Σ, //v// = 0. | * Feb. 2026: HeH<sup>+</sup>; mercaptoethanol. |
| * Dec. 2019: Aminomethylium; AlO, //v// = 0; AlO, //v// = 1 − 2; AlO, //v// = 3 − 5; Al<sup>18</sup>O, v = 0; Al<sup>18</sup>O, v = 1 − 2; Al<sup>17</sup>O, v = 0; Al<sup>17</sup>O, v = 1 − 2. | * Jan. 2026: 2-Aminopropenenitrile; //trans//-HNSO; <sup>13</sup>CH<sub>3</sub>C<sup>15</sup>N; CH<sub>3</sub><sup>13</sup>C<sup>15</sup>N; <sup>13</sup>CH<sub>3</sub><sup>13</sup>CN; methylallene. |
| * Nov. 2019: Si<sup>33</sup>S, //v// = 0 − 9. | * Dec. 2025: NCCO<sup>+</sup>; CH<sub>2</sub>DC<sub>4</sub>H; CH<sub>3</sub>C<sub>4</sub>D; <sup>13</sup>CH<sub>3</sub>C<sub>4</sub>H; CH<sub>3</sub><sup>13</sup>CC<sub>3</sub>H; CH<sub>3</sub>C<sup>13</sup>CCCH; CH<sub>3</sub>CC<sup>13</sup>CCH; CH<sub>3</sub>C<sub>3</sub><sup>13</sup>CH. |
| * Oct. 2019: PO, //v// = 0; PO, //v// = 1, 2; PO, //v// = 3 − 5; MgC<sub>3</sub>N; MgC<sub>4</sub>H; CH<sub>3</sub>CHOHCHO; SiS, //v// = 0 − 20; <sup>29</sup>SiS, //v// = 0 − 12; <sup>30</sup>SiS, //v// = 0 − 12; Si<sup>34</sup>S, //v// = 0 − 12. | * Nov. 2025: 3-hydroxypropanal; //c//-S<sub>4</sub>; CH<sub>3</sub>C(O)CCH; CH<sub>3</sub>OCCH; CH<sub>3</sub>SCCH. |
| * Sep. 2019: //syn//-vinyl alcohol; //anti//-vinyl alcohol; propargylamine; PN, //v// = 0 − 5. | * Oct. 2025: <sup>13</sup>CCS; C<sup>13</sup>CS; <sup>13</sup>C<sup>13</sup>CS; CC<sup>33</sup>S; C<sup>13</sup>C<sup>34</sup>S; C<sub>4</sub>S; C<sub>3</sub><sup>33</sup>S; C<sup>13</sup>CCS; <sup>13</sup>CCCS; C<sub>5</sub>S; <sup>13</sup>CCCCS; C<sup>13</sup>CCCS; CC<sup>13</sup>CCS; CCC<sup>13</sup>CS; C<sub>4</sub><sup>34</sup>S. |
| * July 2019: AlCl, //v// = 0 − 10; Al<sup>37</sup>Cl, //v// = 0 − 10; <sup>26</sup>AlCl, //v// = 0 − 2; <sup>26</sup>Al<sup>37</sup>Cl, //v// = 0 − 2; Al<sup>36</sup>Cl, //v// = 0 − 2. | * Sep. 2025: Phenalene; CCS; CC<sup>34</sup>S. |
| * June 2019: HCCO; DCCO; NaCl, //v// = 0 − 15; Na<sup>37</sup>Cl, //v// = 0 − 15; Na<sup>36</sup>Cl, //v// = 0 − 5. | * Aug. 2025: HC(O)-//c//-<sup>13</sup>CHCH<sub>2</sub>O; HC(O)-//c//-CH<sup>13</sup>CH<sub>2</sub>O; H<sup>13</sup>C(O)-//c//-CHCH<sub>2</sub>O; SiC<sub>5</sub>; SiC<sub>7</sub>; SiC<sub>8</sub>; <sup>29</sup>SiC<sub>6</sub>; <sup>30</sup>SiC<sub>6</sub>; H<sub>2</sub>NCO. |
| * May 2019: K<sup>37</sup>Cl, //v// = 0 − 15; <sup>41</sup>KCl, //v// = 0 − 15; <sup>41</sup>K<sup>37</sup>Cl, //v// = 0 − 15; <sup>40</sup>KCl, //v// = 0 − 5; <sup>40</sup>K<sup>37</sup>Cl, //v// = 0 − 5; K<sup>36</sup>Cl, //v// = 0 − 5; <sup>41</sup>K<sup>36</sup>Cl, //v// = 0 − 5; HCCSH; CH<sub>3</sub>COOH, //v<sub>t</sub>// = 0; CH<sub>3</sub>COOH, //v<sub>t</sub>// = 1; CH<sub>3</sub>COOH, //v<sub>t</sub>// = 2; CH<sub>3</sub>COOH, Δ//v<sub>t</sub>// ≠ 0; corrected partition function values and rotational parameters in the propene documentation. | * Jul. 2025: HC(O)-//c//-C<sub>2</sub>H<sub>3</sub>O, //v// = 0; HC(O)-//c//-C<sub>2</sub>H<sub>3</sub>O, //v//<sub>21</sub> = 1 |
| * Apr. 2019: //syn//-C<sub>2</sub>H<sub>3</sub>SH; //anti//-C<sub>2</sub>H<sub>3</sub>SH; CH<sub>3</sub>CDO, //v<sub>t</sub>// = 0, 1; CH<sub>2</sub>DCHO, //v<sub>t</sub>// = 0; TiF; KCl, //v// = 0 − 15. | |
| * Mar. 2019: H<sub>2</sub>N<sup>13</sup>CN; H<sub>2</sub><sup>15</sup>NCN; H<sub>2</sub>NC<sup>15</sup>N; FeN; CrO; CrN; CrF; CrCl; Cr<sup>37</sup>Cl; CrH. | |
| * Mar. 2019: Updated CDMS links in several arXiv versions of manuscripts and made some available newly. The same applies to the Cologne Stectroscopy Data section. | |
| * Feb. 2019: FeO Ω = 4; FeO Ω = 3; FeO Ω = 2; <sup>54</sup>FeO Ω = 4; <sup>54</sup>FeO Ω = 3; <sup>54</sup>FeO Ω = 2. | |
| * Jan. 2019: AlF, //v// = 0 − 5; <sup>26</sup>AlF, //v// = 0 − 2; //p-c//-SiC<sub>3</sub>; HSCO<sup>+</sup>; DSCO<sup>+</sup>. | |
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| ===== General Section and General Remarks ===== | ===== General Section and General Remarks ===== |
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| | * Nov. 2023: The information on the meaning of lower case characters as quantum numbers was misleading and has been rephrased. The term //g//<sub>I</sub> was missing in several "useful equations" because it was assumed to be 1 initially. |
| * Mar. 2019: The program of the VAMDC-CDMS was updated. The Classic or ascii-CDMS was moved to this server. Links have been corrected and should work, but a detailed check is pending. The coding of special characters has been adjusted. | * Mar. 2019: The program of the VAMDC-CDMS was updated. The Classic or ascii-CDMS was moved to this server. Links have been corrected and should work, but a detailed check is pending. The coding of special characters has been adjusted. |
| * Nov. 2009: added note in the link which explains the aggregate spin number. | * Nov. 2009: added note in the link which explains the aggregate spin number. |
| [[archive#catalog_search_form|Archive "Catalog Search Form"]] | [[archive#catalog_search_form|Archive "Catalog Search Form"]] |
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| * Dec. 2018: A new group was defined: ISM, molecules detected in the interstellar medium, but not in circumstellar shells of late-type stars. | * Nov. 2021: A new group was defined: Other hydrocarbons, that are hydrocarbons different from the carbon chain species C<sub>n</sub>H and C<sub>n</sub>H<sub>2</sub>, but including isotopologs. |
| * Nov. 2018: A bug in the calculation of A values was fixed. This affected transitions with //g//<sub>up</sub> larger than 999. | |
| * Dec. 2015: new molecule group: cyclic species. | |
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| ===== Partition Functions ===== | ===== Partition Functions ===== |
| [[archive#molecules_in_space|Archive "Molecules in Space"]] | [[archive#molecules_in_space|Archive "Molecules in Space"]] |
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| * Mar. 2020: added propyne documentation; updated methoxymethanol and ethyl methyl ether documentations. | * Apr. 2026: added 2,5-cyclohexadienthione with documentation, updated CH<sub>3</sub>OH and CH<sub>3</sub>CN documentations. |
| * Feb. 2020: added extragalactic O<sub>2</sub> and updated galactic C<sub>3</sub> documentation. | * Mar. 2026: added 2-hydroxypropanal and methoxyethanal with documentations, updated methyl acetate, hydroxypropanone, and ethyl formate documentations. |
| * Oct. 2019: added MgC<sub>3</sub>N, MgC<sub>2</sub>H, and MgC<sub>4</sub>H with documentations; corrected and updated links. | * Feb. 2026: added propadienone and 1//H//-cyclopent[//cd//]indene with documentations; updated NH<sub>3</sub>, H<sub>3</sub>O<sup>+</sup>, CH<sub>3</sub>OH, cyclopropenone, and cyclopropenethione documentations. |
| * Sep. 2019: updated HNCO entry. | * Jan. 2026: added 3- and 4-cyanoacenaphthylene with documentations. |
| * July 2019: added CaNC and urea with documentations; updated cyclopropenylidene, formamide, N-methylformamide, methoxymethanol, and ethyl methyl ether documentations. | * Dec. 2025: updated methylium documentation. |
| * June 2019: updated methylamine and acetic acid documentations. | * Nov. 2025: added CaS with documentation and extragalactic HCl with documentation; updated N-methylformamide, CH<sub>3</sub>C<sub>4</sub>H, and extragalactic H<sub>2</sub>Cl<sup>+</sup> documentations. |
| * Apr. 2019: added HeH<sup>+</sup> with documentation; updated ethanal and acetamide documentations. | * Oct. 2025: added C<sub>2</sub>H<sub>4</sub> documentation. |
| * Mar. 2019: added HONO with documentation, updated methyl formate entry. | * Sep. 2025: added (linear) SiC<sub>3</sub>, SiC<sub>5</sub>, and phenalene with documentations. |
| * Jan. 2019: updated entries for H<sub>2</sub>CCO, HCOOH, CH<sub>3</sub>CHO, C<sub>2</sub>H<sub>5</sub>OH, cyanomethanimine, HNCCN<sup>+</sup>, CH<sub>3</sub>CN and H<sub>2</sub>NCHO. | * Aug. 2025: added SiC<sub>6</sub> with documentation; updated SiC<sub>4</sub> documentation. |
| | * Jul. 2025: updated HS<sub>2</sub> and methyl formate documentations. |
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| ===== Fitting Spectra ===== | ===== Fitting Spectra ===== |
| [[archive#fitting_spectra|Archive "Fitting Spectra"]] | [[archive#fitting_spectra|Archive "Fitting Spectra"]] |
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| * June 2017: added NO files with FTIR data. | * Dec 2024: added methoxy files. |
| * Apr. 2016: added ethanethiol files. | * July 2024: added "Some considerations for using SPCAT". |
| * Jan. 2016: updated OH<sup>+</sup>. | * May 2024: added 3-hydroxypropenal data. |
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| ===== Cologne Spectroscopy Data ===== | ===== Cologne Spectroscopy Data ===== |
| [[archive#cologne_spectroscopy_data|Archive "Cologne Spectroscopy Data"]] | [[archive#cologne_spectroscopy_data|Archive "Cologne Spectroscopy Data"]] |
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| * Dec. 2019: Added aminomethylium files. | * Mar. 2026: the <sup>13</sup>CH<sub>3</sub>CN and CH<sub>3</sub><sup>13</sup>CN are complete. |
| * Nov. 2019: Added <sup>13</sup>CH<sub>3</sub>SH files. | * Jan. 2026: added methylallene files. |
| * Aug. 2019: Added CH<sub>3</sub>SH files. | * Dec. 2025: added NCCO<sup>+</sup> files. |
| * June 2019: Added CH<sub>3</sub><sup>34</sup>SH files. | * July 2025: added oxiranecarboxaldehyde (glycidaldehyde) files. |
| * May 2019: Added acetic acid files. | * Feb. 2025: added cyclopentadiene files. |
| * Mar. 2019: Added cyanamide and vinyl mercaptan files as well as those of the //gauche//-conformers of 2-cyanobutane. Updated CDMS links in several arXiv versions of manuscripts and made some available newly. The same applies to the Catalog Archive. | |
| * Jan. 2019: Added CH<sub>3</sub>SD and H<sub>2</sub>CS files. | |
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