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

  • Sep. 2021: anti-CH2CCHCH2CN; syn-CH2CCHCH2CN; MgC5N; H2NC.
  • Aug. 2021: Z-CH2(CH)3CN; E-CH2(CH)3CN.
  • Jul. 2021: HC(S)CN; HC(34S)CN.
  • Jun. 2021: CH2(OH)CHO, v = 0; CH2(OH)CHO, v18 = 1; CH2(OH)CHO, v12 = 1; CH2(OH)CHO, v17 = 1; CaH+; CH2DCCD; CHD2CCH; l-C5H2; H2C3HCCH; l-C8H2; CH2DC3N; HC2CHS.
  • May 2021: 44TiO, v = 0; 44TiO, v = 1; H2CNOH; indene; c-C5H6; c-C3HCCH.
  • Apr. 2021: 50TiO, v = 0; 50TiO, v = 1; 50TiO, v = 2; 50TiO, v = 3; Ti18O, v = 0; Ti18O, v = 1; Ti18O, v = 2; Ti18O, v = 3.
  • Mar. 2021: TiO, v = 0; TiO, v = 1; TiO, v = 2; TiO, v = 3; TiO, v = 4; TiO, v = 5; 46TiO, v = 0; 46TiO, v = 1; 46TiO, v = 2; 46TiO, v = 3.
  • Feb. 2021: c-H2C3O; c-HDC3O; c-H2C213CO; c-H213CCCO; c-H2C318O; c-D2C3O; H2C(CCH)2; HC3S+.
  • 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"

  • Sep. 2021: added MgC5N and MgC6H with documentations.
  • Aug. 2021: added HNCN, ortho-benzyne, and H2CCCHC3N with documentations; updated the dimethyl ether documentation.
  • Jul. 2021: updated CH+ and SH+ entries.
  • Jun. 2021: added pentatetraenylidene, thiopropynal, and cyanothioformaldehyde; updated glycolaldehyde, propyne, methylcyanoacetylene, and formyl cyanide entries.
  • May 2021: added propargyl, butenyne, ethynylallene, thioformic acid, ethynylcyclopropenylidene, cyclopentadiene, indene, and ethanolamine; updated methanethiol, ethanethiol, and ethenol entries.
  • Apr. 2021: added 1- and 2-cyanocyclopentadiene, 1- and 2-cyanonaphtalene, NCS, HCCS, H2C2S, H2C3S, and C4S; updated 3-butynenitrile, benzonitrile, HC11N, and C5S entries.
  • Feb. 2021: Added HC3S+, CH3CO+, (2E)-penten-4-ynenitrile, and cyanoethynylethene with documentations; updated propenal, propene, and H2CCN entries.

Archive "Fitting Spectra"

  • Dec. 2020: added aminoacetonitrile example.
  • 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"

  • Feb. 2021: added cyclopropenone files.
  • 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: 2021/09/22 15:59
  • by mueller