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

• Mar. 2010: corrected the tag for H₂Cl⁺.
• Feb. 2010: CF⁺, v = 0, 1; ¹³CF⁺, v = 0, 1; O₂, a ¹Δ; CaO, v = 0, 1; CaS, v = 0, 1.
• Jan. 2010: O₂, X ³Σ^–, v = 0; O¹⁸O; ¹⁸O₂; C₃N^–; C¹³CH.
• Dec. 2009: AlH; CH₃CN, v = 0; ¹³CH₃CN, v = 0; CH₃¹³CN, v = 0; CH₃C¹⁵N, v = 0; CH₂DCN; ¹³CH₃¹³CN.
• Nov. 2009: Benzonitrile (c-C₆H₅CN); HONC; 1,2-Propanediol; HSCN; H₂Cl⁺.
• Oct. 2009: C₂H₃⁺; CH₃CP.
• Sep. 2009: LiOH; DCO⁺; DNC; HN¹³C.
• Aug. 2009: BO; ¹⁰BO; CCH, v = 0; aa-diethyl ether; C₂H₅CN, v = 0; NaOH; KOH; ⁴¹KOH; ag-diethyl ether; corrected dipole moment of CH⁺.
• July 2009: HBO; H¹⁰BO.

General Section

• Nov. 2009: added note in the link which explains the aggregate spin number.
• Jan. 2007: added Remarks on Selection Rules.

Catalog Search Form

• Dec. 2009: new molecule group: metal compounds.

Molecules in Space

• Mar. 2010: added AlOH.
• Jan. 2010: added documentation for CH₃CN and updated documentation for NH₃.
• Nov. 2009: added documentations for ethanol and ethanal.
• Sep. 2009: added HSCN; added documentation for HNCS.

Fitting Spectra

• Jan. 2010: added O₂, X ³Σ^–, v = 0; CH₃CN, v = 0; and FSO₃. Documentations will follow later.

Cologne Spectroscopy Data

• Feb. 2010: added O₂, a ¹Δ.
• Jan. 2010: added O₂, X ³Σ^–, v = 0; O¹⁸O; ¹⁸O₂.
• Dec. 2009: added data for ground states of methyl cyanide isotopologs.
• Aug. 2009: added diethyl ether.