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

  • May 2023: MgC6H+; MgC5N+.
  • Apr. 2023: c-CD2CH2O; MgC4H+; MgC3N+.
  • Mar. 2023: C6H5C3N; 1-CN-4-CCH-C6H4; 1-CN-2-CCH-C6H4; 1-CN-3-CCH-C6H4.
  • Feb. 2023: OH, v = 0; OH, v = 1; OH, v = 2; C7N; C12H; C10H.
  • Feb. 2023: Adjusted Q values and gup of excited state HC5N entries and the IR band to be compatible with version 2 of v = 0.
  • Jan. 2023: MgC13C; urea, v = 0; urea, v1; urea, v2 & v3; urea, v4 & v5.
  • Dec. 2022: DCS; H13CS; ethynylbutatrienylidene, NC4NH+; MgC2; 26MgC2; 25MgC2.
  • Nov. 2022: HC4S; DSC; HS13C.
  • Oct. 2022: t-C2H3NCO; cis-C2H3NCO; g'Gg'-alaninol; gG'g-alaninol; 2-hydroxypropenal.
  • Sep. 2022: 13CH3OCH3; 2-Iminopropanenitrile; c-C2H3DO.
  • Aug. 2022: E-1-propanimine; Z-1-propanimine; Z-propynimine; E-propynimine; HC(O)OCH2D; HC(O)OCHD2; DC(O)OCH3; 13CH3C(O)CH3; corrected intensities of SiS, v ≤ 19 and Si33S, v ≤ 9.
  • Jul. 2022: Ethenylidenecyclopentadiene; ethynylcyclopropynylidyne; allenyldiacetylene; heptatetraen-6-yne; allenylcyanoacetylene.
  • 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"

  • Nov. 2021: A new group was defined: Other hydrocarbons, that are hydrocarbons different from the carbon chain species CnH and CnH2, but including isotopologs.
  • 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"

  • May 2023: added HMgC3N, NaCCCN, MgC4H+, MgC3N+, MgC6H+, and MgC5N+.
  • Mar. 2023: added methylketene with documentation; updated acetaldehyde and methylamine.
  • Feb. 2023: added C7N and C10H with documentations; updated NH2.
  • Dec. 2022: added SiP, MgC2, and NC4NH+ with documentations.
  • Nov. 2022: added HC4S and ethynylbutatrienylidene with documentation, updated the oxirane entry.
  • Oct. 2022: added 2-cyanoindene with documentation.
  • Aug. 2022: added ethenylidenecyclopentadiene with documentation; updated ethenol documentation.
  • Jul. 2022: added c-C3C2H, CH2CCHC4H, and cyanopropene species with documentations; updated H2CCCHC3N documentation.

Archive "Fitting Spectra"

  • Dec. 2020: added aminoacetonitrile example.
  • Nov. 2020: added hydroxymethyl data.

Archive "Cologne Spectroscopy Data"

  • Apr. 2023: added c-CD2CH2O files.
  • Sep. 2022: added c-C2H3DO files.
  • Mar. 2022: added CD3OH, oxirane, and gauche-propanal files.
  • new.txt
  • Last modified: 2023/05/09 14:28
  • by mueller