What's new?

What is not quite so new anymore ? (Less recent changes to the CDMS)

The database is described in
H. S. P. Müller, F. Schlöder, J. Stutzki, and G. Winnewisser,
J. Mol. Struct. 742, 215–227 (2005)
and in
H. S. P. Müller, S. Thorwirth, D. A. Roth, and G. Winnewisser,
Astronomy and Astrophysics 370, L49–L52 (2001).
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.

Recent Catalog Entries

• May 2012: c-C₃H₂.
• Apr. 2012: HC₅N, v₁₁ = 5; HC₃N, v₄ = 1; HC₃N, v₇ = 4 / v₅ = v₇ = 1; HC₃N, v₆ = 2; corrected and applied transition dipole moment for HCCCN, ν₁ band.
• Mar. 2012: AA-n-C₄H₉CN, GA-n-C₄H₉CN, AG-n-C₄H₉CN, HC₅N, v₁₀ = v₁₁ = 1; modified state description of v₆ = v₇ = 1 for HCCCN as well as its isotopologs with one ¹³C.
• Feb. 2012: H₂D⁺; HD₂⁺; 2-Aminopropionitrile; extended J range for SiO, v = 0 – 6; ²⁹SiO, v = 0 – 3; ³⁰SiO, v = 0 – 3; Si¹⁸O, v = 0 – 3.
• Jan. 2012: NaCN; Na¹³CN; HCCN; H¹³CCN; HC¹³CN; DCCN; HCC¹⁵N; reevaluated c-H₂C₃O entry; omitted redundant quantum numbers in ¹⁵N³⁴S entry; corrected code for QNFMT in entries for TiS isotopologs.

General Section

• Nov. 2009: added note in the link which explains the aggregate spin number.

Catalog Search Form

• Sep. 2011: new molecule group: halogen compounds.
• Feb. 2011: new molecule group: complex molecules.

Partition Functions

• 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.

Molecules in Space

• Apr. 2012: added HNC, HC₇N, and vinyl alcohol documentations; updated and extended the one for glycolaldehyde.
• Mar. 2012: added further details for HNCO, HOCO⁺, H₂CNH, H₂C₂O, CH₃CHO, and C₂H₃CN, and H₂Cl⁺.
• Jan. 2012: added C₂H documentation; updated C₆₀ documentation (both Galactic as well as Extragalactic); provided additional information in HC₂N / HC₄N documentation.
• Dec. 2011: added cyanamide documentation; updated acetamide documentation.
• Sep. 2011: added documentations for c-C₃H and l-C₃H; updated HCS⁺.
• Aug. 2011: added documentation for NS; updated HCl, HF, and O₂.
• July 2011: added documentation for H₂CS and updated the one for H₂CCN.

Fitting Spectra

• May 2012: added updated c-C₃H₂ files.
• Feb. 2012: added SF₂.

Cologne Spectroscopy Data

• Mar. 2012: added n-butyl cyanide files.
• June 2011: added TiO₂ files.
• May 2011: added NHD₂ files with several auxiliary files.
• Mar. 2011: added iso-propyl cyanide files.