What's new?

And what is not quite so new anymore?

The database is described in

and in

Please acknowledge use of the CDMS by citing these article. You are very welcome to state the web address also. We recommend to cite the original sources of the data too, which are given in the documentations, at least as far as this is feasible.

Earlier Catalog Entries

  • Dec. 2020: HOCH2C(O)NH2.
  • Oct. 2020: HC4NC; HC6NC; HC(S)NH2; HC3O+; aminoacetonitrile, v = 0; aminoacetonitrile, v11 + v18 = 1; aminoacetonitrile, v17 = 1; butadiynyliminomethylium.
  • Sep. 2020: CH2D37Cl; HCCCH2CN; CH3ONH2.
  • Aug. 2020: HC7N, v = 0; HC5N, v = 0; CH3OCH2OH; CH3OCN; C2H5NCO; CH2DCl.
  • July 2020: CD3CN; CH313CHO, vt ≤ 1; 13CH3CHO, vt ≤ 1; HC9N, v = 0; DC9N; H13CC8N; HC13CC7N; HC213CC6N; HC313CC5N; HC413CC4N; HC513CC3N; HC613CC2N; HC713CCN; HC813CN; HC915N.
  • June 2020: NCHCCO.
  • May 2020: CH3SH, vt ≤ 2; 18O; CH3SD, vt ≤ 2; CH334SH, vt ≤ 2; 13CH3SH, vt ≤ 2.
  • Apr. 2020: 3-Aminopropionitrile, conf. I; 3-aminopropionitrile, conf. II; CH3C13CH; CH313CCH; 13CH3CCH; CH313C13CH; 13CH3C13CH; 13CH313CCH; CH3CCD; CH3C13CD; CH313CCD; 13CH3CCD; CH2DC13CH; CH2D13CCH; 13CH2DCCH; the old 13CH3OH entry is now available with intensities at 300 K, as is generally the case.
  • Mar. 2020: C4D; 13CCCCH; C13CCCH; CC13CCH; CCC13CH.
  • Feb. 2020: O18O; 18O2; O2, a 1Δ; C4H, v = 0; C4H, v7 = 1; C4H, v7 = 20; C4H, v7 = 22; C4H, v6 = 1; C4H, v5 = 1; C4H, v6 = v7 = 1.
  • Jan. 2020: 26AlO, v = 0; 26AlO, v = 1 − 2; O2, X 3Σ, v = 0.
  • 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.

Archive "Catalog Search Form"

  • Dec. 2018: A new group was defined: ISM, molecules detected in the interstellar medium, but not in circumstellar shells of late-type stars.
  • Nov. 2018: A bug in the calculation of A values was fixed. This affected transitions with gup larger than 999.
  • Dec. 2015: new molecule group: cyclic species.
  • Apr. 2010: started to add values at 2.725 and 5 K for some species. The log values are also displayed in the partition function table.

Archive "Molecules in Space"

  • Nov. 2020: updated HCCNC, HNC3, and urea entries.
  • Oct. 2020: added HC4NC, 3-butynenitrile, ethynyloxomethylium, and butadiynyliminomethylium with documentations; updated acetamide documentation; modified iminomethylium entry.
  • Sep. 2020: updated C3N and C5N documentations, and modified that of C5S.
  • Aug. 2020: added iminopropyne, hydroxylamine, and hydroxypropanone with documentations; updated CH3NH2, HC7N, and HC9N documentations.
  • May 2020: updated HeH+ and CH+ entries.
  • Apr. 2020: added extragalactic C3N, l-C3H+, H2CN, HCOOH, CH3SH, and C2H3CN with documentations.
  • Mar. 2020: added propyne documentation; updated methoxymethanol and ethyl methyl ether documentations.
  • Feb. 2020: added extragalactic O2 and updated galactic C3 documentation.

Archive "Fitting Spectra"

  • Nov. 2020: added hydroxymethyl data.
  • June 2017: added NO files with FTIR data.
  • Apr. 2016: added ethanethiol files.
  • Jan. 2016: updated OH+.

Archive "Cologne Spectroscopy Data"

  • Sep. 2020: the new n-propyl cyanide files are now available.
  • Aug. 2020: HC5N and HC7N files are available with catalog files and others.
  • Apr. 2020: Propyne files are available with catalog files and others.
  • new.txt
  • Last modified: 2020/12/01 14:29
  • by mueller