Far Infrared Spectrum of Gaseous Formic Acid

Submillimeter Spectrum of Formic Acid

We have measured new submillimeter-wave data around 600 GHz and around 1.1 THz for the C isotopologue of formic acid and for the two deuterium isotopomers; in each case for both the trans and cis rotamer. For cis-DCOOH and cis-HCOOD in particular only data up to 50 GHz was previously available. For all species the quality and quantity of molecular parameters has been increased providing new mea...

The Far-Infrared Spectrum of Deuterium Iodide.

We recently described an investigation of the far-infrared (FIR) spectrum of hydrogen iodide, HI, which resulted in an accurate set of rotational and I electric quadrupole parameters for the molecule in its XS (v 5 0) state (1). In this Note, we report an extension of this work to the deuterated form of the molecule, DI. The spectrum of deuterium iodide was recorded using the third-order tunabl...

Treatment of Warts with Topical Formic Acid

Soft Modes in the Far — Infrared Spectrum Of

The electronic spectrum of chloroformic acid in comparison to formic acid.

The electronic spectra of chloroformic acid ClCOOH and formic acid HCOOH are computed in large-scale multireference configuration interaction (MRD-CI) calculations. The computed spectrum of formic acid is in reasonable agreement with prior calculations and experimental data. The first electronic transition of ClCOOH is computed at 6.41 eV (193.4 nm), about 0.5 eV higher than in HCOOH. Together ...